MEDICINE PAPER FOR FINAL PROF.2014 Note: The Bold Option is the Answer of the Question. i.e Question No 1 answer is b. QUESTION NO1. A 40 years old woman presents to medical OPD with a three months history of tiredness, weight loss, and vague abdominal pains, polyuria and polydipsia. Systemic examination is normal except a Area / Topic:_____________________ small mass in front of the neck. Chest X ray normal, RBS 120mg%, RFTs & TFTs are normal, Serum ______ calcium 16mg/dl, serum phosphate decreased, alkaline phosphatase 500 IU/liter (normal 20-140). Ultrasound abdomen shows right renal stones. What is the most likely diagnosis? a. b. c. d. e. Primary hyperparathyroidism Primary hyperthyroidism Vitamin D intoxication Chronic renal failure Sarcoidosi QUESTION NO2. A 35 years old man presents with 7 months history of palpitations and intermittent diarrhea. He feels restless and hungry and has lost 5 kilos of weight. His heart rate is 120/min and irregular: BP is 150/70. Examination of the abdomen, nervous system and chest is normal. There is a swelling in front of his neck. Full blood count, blood sugar and LFTs are normal. Further workup has confirmed primary hyperthyroidism (increased T3, T4 and decreased TSH). What is the most common cause of hyperthyroidism? a. b. c. d. Multinodular goiter Toxic adenoma Graves disease Thyroiditis QUESTION NO3: A 15 years old boy is brought to medical OPD by his mother in drowsy state. He is a known case of type 1 Diabetes Mellitus. Three days ago he developed productive cough and fever and he stopped insulin. O/E he is dehydrated, Pulse is 130/min, BP 100/70 mmHg, temperature 104°F. His breathing is deep and rapid. Crepitations on the right side of the chest. Blood sugar is 500mg/dl, TLC 16000 with 90% neutrophils, blood urea 60mg/dl and serum creatinine 1.4mg/dl. What is your most likely diagnosis? a. b. c. d. Hyperosmolar non ketotic coma Hypoglycemic brain injury Diabetic ketoacidosis Acute renal failure QUESTION NO4: A 45 years old lady has come to the medical OPD with a complaint of increasing fatigue, somnolence, constipation and body aches. These symptoms have gradually increased over last two years. Her weight has increased; the menstrual cycle is irregular and has difficulty in hearing. She looks pale. The skin is dry and the voice is hoarse. The pulse is 59/min and regular. Blood pressure is 130/80 mmHg. Thyroid function tests confirmed primary hypothyroidism. What is the most sensitive test for thyroid function? a. b. c. d. e. Thyroid stimulating hormone (TSH) Radioactive iodine uptake Antibodies screening test Thyroid hormones T3, T4 Serum thyroglobulin QUESTION NO5: A 42 yrs old female presented with 6 months history of worsening headache with deteriorating vision in both eyes and polyuria. She is taking treatment for carpel tunnel syndrome. She has consulted her physician for menstrual irregularities and galactorrhea. She admitted rapid increase in the size of shoes and tight finger rings. Her BP was 190/110 mmHg and pulse was 82/min. Investigations have confirmed Acromegaly. Which one of the following is best treatment option for Acromegaly? a. Trans-sphenoidal surgery b. GH receptor antagonists c. Somatostatin analogues d. Dopamine antagonists e. Dopamine agonists QUESTION NO6: 28 years old married lady presented to the medical OPD with the complaints of weight gain and depression. Examination revealed that she is overweight, BP is 190/100 mmHg. Her skin is thin and there are bruises on the arms and legs. Recently she was examined by ophthalmologist who found that she had bitemporal hemianopia. The random blood sugar is 250mg%. You are suspecting Cushing syndrome, which one of the following tests is the gold standard for confirmation of Dx? a. b. c. d. e. Low dose DM suppression High dose DM suppression 24 hours urinary cortisol Serum cortisol levels Serum ACTH levels QUESTION NO7: 35 years young man presented with chronic fatigue, lethargy, depression, weight loss and orthostatic hypotension. His blood pressure is 90/60. Random blood sugar is 90 mg/dl and Serum sodium 130mEq/l. you have managed this patient well & have confirmed hypocortisolism through proper investigations. Which one of the following is most common cause of hypocortisolism (Addison’s disease)? a. b. c. d. Sudden withdrawal of steroids Pituitary gland destruction Adrenal gland destruction Adrenal gland tuberculosis QUESTION NO8: 28 years old married lady presented to the medical OPD with the complaints of weight gain and depression. Examination revealed that she is overweight, BP is 190/100 mmHg. Her skin is thin and there are bruises on the arms and legs. The random blood sugar is 250mg%. You are suspecting hypercortisolism, which one of the following is most common cause of hypercortisolism? a. b. c. d. e. Autoimmune disease Exogenous steroids Pituitary adenoma Ectopic ACTH focus Adrenal neoplasm QUESTION NO9: A 22 years young man reports with progressive pallor, easy fatigability and lack of energy for the last 6 months. Eight years ago he was operated after fire arm injury in the right side of the abdomen, caecum and terminal ileum resected with ileocoloic anastomosis. On examination, he looks pale; there is no purpura or bruising. Liver and spleen are not enlarged. Investigations show Hb was 8gm%, MCV 114, RFTs and LFTs normal. Which one of the following is most likely cause? a. b. c. d. Autoimmune hemolytic anemia Folate deficiency anemia Iron deficiency anemia Vitamin B12 deficiency QUESTION NO10: 60 years male presented with fatigue, weight loss and pain in the left hypochondrium for the last 6months. On examination there was no lymphadenopathy & he has huge firm spleen palpable up to the umbilicus (massive splenomegaly). FBC reveals TLC 140000, Neutrophils= 80%, Lymphocytes=15%, Basophils=5%. Urea, sugar, LFTs & LDH were normal. Repeated slides for malarial parasites were negative and the portal vein diameter was normal. What is the most likely diagnosis? a. b. c. d. e. Chronic lymphocytic leukemia Chronic myeloid leukemia Iron deficiency anemia Malignant lymphoma Multiple myeloma QUESTION NO11: A 25 year male was admitted with severe pain all over the chest following gastroenteritis. The pain was very severe and would response to narcotic analgesic injections. In the past he had decompression for priapism at the age of ten, ischemic stroke at the age of fifteen and a vascular necrosis of right femoral head at the age of 20. On examination his temperature is normal, blood pressure 90/60mmHg, pulse 120, pale, uncomfortable and moaning with pain. His hemoglobin was 6gm/dl, normal TLC, DLC and platelet count. The mode of inheritance for likely cause is? a. Autosomal dominant b. Autosomal recessive c. X-linked recessive d. X-linked dominant QUESTION NO12: A sixty years old female with history of auto immune hypothyroidism presented with weakness. She is also complaining of tingling in her fingers & toes. On examination she is pale and has loss of vibration and position sense in her feet. Her Hb is 9 gm/dl, TLC, DLC, platelet count, serum folate, LFTs, RFTs and TFTs normal (taking thyroxin 200 microgram per day). There is no history of diarrhea or any surgery in the past. Her MCV is 120. Most likely cause for her anemia is? a. b. c. d. e. Autoimmune hemolytic anemia Anemia of chronic disease Folate deficiency anemia Iron deficiency anemia Pernicious anemia QUESTION NO13: A 25 year male was admitted with severe pain all over the chest following gastroenteritis. The pain was very severe and would response to narcotic analgesic injections. In the past he had decompression for priapism at the age of ten, ischemic stroke at the age of fifteen and a vascular necrosis of right femoral head at the age of 20. On examination his temperature is normal, blood pressure 90/60mmHg, pulse 120, pale, uncomfortable and moaning with pain. His hemoglobin was 6gm/dl, normal TLC, DLC and platelet count. Which one of the following tests is used to investigate the cause? a. b. c. d. e. Osmotic fragility test Metabisulfite test Schillings test Coombs test Hams test QUESTION NO14: A 20 years old lady, recently married presents with high grade fever, easy bruiseability, generalized aches and pains and sore throat. Mother-in-law reports that she had two episodes of epistaxis and bleeding from gums. She looks pale and toxic. Skin shows purpura and bruises shins. Pulse 110/min, BP110/80mmHg. Hb 8gm%, Platelets₌ 40,000/mm3 and TLC ₌1500/mm3. You have confirmed Aplastic anemia through bone marrow biopsy. What is the most common cause of Aplastic anemia? a. b. c. d. e. Cytotoxic drugs Radiations Infections Idiopathic Thymoma QUESTION NO15: A 30 years old lady presents with one year history of easy fatigability, recurrent weakness of limbs with reversible diplopia, which is worse during the evening time and better on waking up in the morning. On examination she is hemodynamically stable. On sustained upward gaze she has decreased frowning of her forehead and develops ptosis. She also has weakness of her sustained grip. Biochemistry, FBC normal and X-ray chest shows mediastinal widening. Which of the following will confirm your diagnosis? a. b. c. d. Nerve conduction studies Serum vitamin B12 levels Electromyography (EMG) Brain imaging (CT scan) QUESTION NO16: A 30 years old lady presents with one year history of easy fatigability, recurrent weakness of limbs with reversible diplopia, which is worse during the evening time and better on waking up in the morning. On examination she is hemodynamically stable. On sustained upward gaze she has decreased frowning of her forehead and develops ptosis. She also has weakness of her sustained grip. Biochemistry, FBC are normal and X-ray chest shows mediastinal widening. Which one of the following has strong association with underlying pathology? a. b. c. d. Campylobacter jejuni infection Thymic hyperplasia/Thymoma Respiratory tract infection Underlying malignancy QUESTION NO17: A 65 years old man presented to your clinic with 2 years history of productive cough of white sputum and exertional dyspnea for last four months. He is chain smoker for last 35 years. His echo is normal with ejection friction of 60%, spirometry reveals FEV1/FVC of 50% with minimal/NO reversibility after 3weeks trial of steroids. Which one is the most likely diagnosis? a. b. c. d. e. Bronchogenic carcinoma Ischemic heart disease Asthma exacerbation Interstitial lung disease Chronic obstructive pulmonary disease QUESTION NO18: A 30 years old lady presents with one year history of easy fatigability, recurrent weakness of limbs with reversible diplopia, which is worse during the evening time and better on waking up in the morning. On examination she is hemodynamically stable. On sustained upward gaze she has decreased frowning of her forehead and develops ptosis. She also has weakness of her sustained grip. Biochemistry, FBC normal and X-ray chest shows mediastinal widening. Which of the following is the most your diagnosis? a. b. c. d. e. Guillain-Barre syndrome Cerebrovascular disease Myasthenia gravis Multiple sclerosis Metastatic cancer QUESTION NO19: A 22 years girl had an upper respiratory infection/diarrheal illness about 10 days back. Now she has developed tingling and weakness in her both lower limbs. Three days later she developed bladder and bowel incontinence. On examination, the patient has bilateral lower limbs weakness and loss of reflexes (her knee and ankle jerks are absent bilaterally). FBC, electrolytes, RFTs and LFTs, X-ray chest and X-rays of lumbar and dorsal spine were normal. What is your most likely diagnosis? a. b. c. d. e. Guillain-Barre syndrome Cerebrovascular disease Myasthenia gravis Multiple sclerosis Metastatic cancer QUESTION NO20: A 22 years girl had an upper respiratory infection/diarrheal illness about 10 days back. Now she has developed tingling and weakness in her both lower limbs. Three days later she developed bladder and bowel incontinence. On examination, the patient has bilateral lower limbs weakness and loss of reflexes (her knee and ankle jerks are absent bilaterally). FBC, electrolytes, RFTs and LFTs, X-ray chest and X-rays of lumbar and dorsal spine were normal. Which is confirmatory test for GBS? a. b. c. d. e. Nerve conduction studies Serum vitamin B12 levels Electromyography (EMG) Brain imaging (CT scan) LP and CSF analysis QUESTION NO21: A 40 years old man brought to emergency department with two days history of high grade fever, headache, nausea and vomiting. On examination febrile (101F), vitally stable and he is found to have neck stiffness and photophobia. Rest of the systemic examination is normal. Investigations showed normal biochemistry, chest x-ray and neutrophilic leukocytosis. What is your most likely clinical diagnosis? a. b. c. d. Subarachnoid hemorrhage Tuberculous meningitis Bacterial meningitis Viral encephalitis QUESTION NO22: A 40 years old man brought to emergency department with two days history of high grade fever, headache, nausea and vomiting. On examination febrile (101F), vitally stable and he is found to have neck stiffness and photophobia. Rest of the systemic examination is normal. Investigations showed normal biochemistry, chest x-ray and neutrophilic leukocytosis. Which one of the following is the investigation of choice to confirm your clinical diagnosis? a. b. c. d. Brain imaging Blood culture CSF analysis Blood smear QUESTION NO23: A 40 years old man brought to emergency department with two days history of high grade fever, headache, nausea and vomiting. On examination febrile (101F), vitally stable and he is found to have neck stiffness and photophobia. Rest of the systemic examination is normal. Investigations showed normal biochemistry, chest x-ray and neutrophilic leukocytosis. Which one of the following is most common pathogen responsible for meningitis in adults? a. b. c. d. e. Streptococcus pneumoniae Neisseria Meningitidis Staphylococcus aureus Streptococcus pyogenes Haemophilus influenza QUESTION NO24: A 40 years old man brought to emergency department with two days history of high grade fever, headache, nausea and vomiting. On examination febrile (101F), vitally stable and he is found to have neck stiffness and photophobia. Rest of the systemic examination is normal. Investigations showed normal biochemistry, chest x-ray and neutrophilic leukocytosis. If patient with meningitis develops a rash, which one of the following is most likely pathogen? a. b. c. d. e. Streptococcus pneumoniae Staphylococcus aureus Streptococcus pyogenes Haemophilus influenza Neisseria Meningitidis QUESTION NO25: A 60 years old gentleman with poorly controlled hypertension presents with sudden onset severe occipital headache, vomiting and photophobia followed by loss of consciousness. On examination he is irritable with stiffness of neck with positive kerning’s sign. Temperature is normal, blood pressure 200/120 and cell counts are normal. What is most likely clinical diagnosis? a. b. c. d. Subarachnoid hemorrhage Tuberculous meningitis Bacterial meningitis Brain abscess/tumors QUESTION NO26: A 60 years old gentleman with poorly controlled hypertension presents with sudden onset severe occipital headache, vomiting and photophobia followed by loss of consciousness. On examination he is irritable with stiffness of neck with positive kerning’s sign. Temperature is normal, blood pressure 200/120 and cell counts are normal. What is most likely cause of this patient illness? a. b. c. d. Mycobacterium tuberculosis Streptococcus pneumoniae Arteriovenous fistula Berry aneurysms QUESTION NO27: A 40 years old man from poor family from Afghanistan presented with four weeks history of low grade fever, weight loss, headaches, anorexia and intermittent vomiting. For last few days he is confused & disoriented. O/E vitally stable, febrile 99F and mild neck stiffness. Rest of the examination and baseline investigations within normal limits.CSF analysis showed increased proteins (100mg/dl), decreased sugar (30mg/dl) and increased TLC (2000/mm3) with 90% lymphocytes. What is your most likely diagnosis? a. b. c. d. e. Subarachnoid hemorrhage Tuberculous meningitis Bacterial meningitis Viral encephalitis Viral meningitis QUESTION NO28: A 32years old woman comes to the emergency department complaining of numbness and tingling in her right hand for last two days with progressive worsening of symptoms. Three years back she had an episode of diplopia that lasted for more than 24hours and resolved spontaneously. O/E increased spasticity in her both lower limbs and hyper-reactive reflexes. What is your likely diagnosis? a. b. c. d. e. Guillain-Barre syndrome Cerebrovascular disease Vitamin B12 deficiency Myasthenia gravis Multiple sclerosis QUESTION NO29: A 25 years old lady came to the medical OPD with a history of anorexia, low grade fever, cough and night sweats for the last six months. She has lost five kg of weight. She looks pale. There is no hepato-splenomegaly or palpable lymph nodes. There are crackles in the left upper chest. Temperature is 101°F, BP 110/60mm Hg. ESR 95mm at the end of first hour, TLC 9000, neutrophils 70%, lymphocytes 30%. What is the most likely diagnosis? a. b. c. d. e. Interstitial lung disease Pulmonary tuberculosis Cystic fibrosis Bronchiectasis Pneumonia QUESTION NO30: A 25 years old man comes to you with 3 years history of productive cough (greenish and copious) and fouls smelling breath. For last three days he has hemoptysis, fever and chest pain with cough. He is very thin, pale, with bilateral clubbing of the fingers and toes. He has coarse crepitations at the right upper zone. He was successfully treated for pulmonary TB in the past. He also gives you history of recurrent pneumonias and five times hospitalized for pneumonias. What is the most likely underlying cause? a. Interstitial lung disease b. Pulmonary tuberculosis c. Bronchogenic carcinoma d. Bronchiectasis QUESTION NO31: A 35 years old female returned from hajj, she had been taking pills to avoid menstruation. She had a right swollen calf and had been complaining of dyspnea and chest pain. She collapsed at the airport. At the hospital she was pale and clammy with tachycardia, blood pressure of 70/40. On examination her JVP was raised, she had a loud P2 at the left sternal border. Clinical examination revealed clear lung fields. What is the most likely diagnosis? a. b. c. d. Pulmonary Thromboembolism Acute myocardial infarction Tension Pneumothorax Left ventricular failure QUESTION NO32: A 35 years old female returned from hajj, she had been taking pills to avoid menstruation. She had a right swollen calf and had been complaining of dyspnea and chest pain. She collapsed at the airport. At the hospital she was pale and clammy with tachycardia, blood pressure of 70/40. O/E her JVP was raised, she had a loud P2 at the left sternal border and clear lung fields. What is the gold standard test to confirm Dx of Pulmonary Thromboembolism? a. b. c. d. e. Magnetic resonance Imaging CT pulmonary angiogram Ventilation perfusion scan High resolution CT scan D-dimers assay QUESTION NO33: A 25 years old man comes to you with 3 years history of productive cough (greenish and copious) and fouls smelling breath. He is very thin, pale, with bilateral clubbing of the fingers and toes. He has coarse crepitations at the right upper zone. He was successfully treated for pulmonary TB in the past. You suspect bronchiectasis and you order for HRCT. Which of the following is not a cause of bronchiectasis? a. b. c. d. e. Recurrent pneumonias Bronchogenic carcinoma Left ventricular failure Kartagener syndrome Cystic fibrosis QUESTION NO34: A 25 years old man comes to you with 3 years history of productive cough (greenish and copious) and fouls smelling breath. He is very thin, pale, with bilateral clubbing of the fingers and toes. He has coarse crepitations at the right upper zone. He was successfully treated for pulmonary TB in the past. Recalling causes of clubbing which of the following is not a cause of clubbing. a. Malignant Mesothelioma b. Bronchogenic carcinoma c. Cystic fibrosis d. COPD/asthma e. Empyema QUESTION NO35: A 19 years old man is brought to casualty department complaining of sudden onset of right sided chest pain and rapidly progressive breathlessness for the last six hours for the first time in his life. He is irritable and cyanosed. Pulse is 125/min regular. BP is 70/30. Trachea is displaced towards left. Hyper-resonant to percussion and breath sounds are absent on the right side. What is the most likely diagnosis? a. b. c. d. e. Pulmonary thromboembolism Right sided Pneumothorax Right sided pleural effusion Acute asthma exacerbation Right sided pneumonia QUESTION NO36: A 19 years old man is brought to casualty department complaining of sudden onset of right sided chest pain and rapidly progressive breathlessness for the last six hours for the first time in his life. He is irritable and cyanosed. Pulse is 125/min regular. BP is 70/30. Trachea displaced towards left, Hyper-resonant percussion and decreased breath sounds on the right side. What is the most appropriate first step imaging modality? a. b. c. d. e. Magnetic resonance Imaging CT pulmonary angiogram Ventilation perfusion scan High resolution CT scan Chest X-ray QUESTION NO37: A 66 years old man presented with ON/OFF retrosternal chest pain of 2years. Each attack lasts for LESS THAN 5 minutes, triggered by stress/exertion and relieved by rest and nitroglycerine. He is diabetic for last 22years, Hypertensive for last 20years and smokers for last 18years. Examination and resting ECG normal. What is the most likely diagnosis? a. b. c. d. Myocardial infarction Unstable angina Prinzmital angina Stable angina QUESTION NO38: A 50 years old obese man with BMI>35 (otherwise asymptomatic) is referred to you by general practitioner for his persistently raised BP. You are suspecting secondary hypertension in this patient. Recalling causes of secondary hypertension, which one of the following list is not the cause of secondary hypertension. a. Polycystic kidney disease b. Pheochromocytoma c. Cushing syndrome d. Addison’s disease e. Hyperthyroidism QUESTION NO39: 26 years old unmarried man has returned from Hong Kong where he spent two months. He is complaining of profuse pus from urethra. Systemic examination is normal. He confessed sexual promiscuity. There is no lymphadenopathy or ulceration. What is the most likely diagnosis in this case? a. b. c. d. HSV-2 infection Gonorrhea HIV/AIDs Syphilis QUESTION NO40: A 25 years college student, very fond of eating outside home, presents with a two weeks history of high grade continuous fever and constipation. O/E he looks toxic, pale and febrile. Temperature 102°F, he looks moderately dehydrated with centrally coated tongue. Palpable Soft spleen and rose spot skin rashes on his abdomen and chest. His pulse is 62/min regular, temperature 102°F, BP 110/70. Neutropenia on FBC repeated MP smears negative. What is the most diagnostic test for confirmation of Enteric fever? a. b. c. d. Typhidot test Blood culture Blood smear Widal test QUESTION NO41: A 23 year old man (recently married) presents with a week’s history of fever and sore throat. He developed a macular rash after taking Ampicillin, prescribed by his general practitioner. One examination he has enlarged posterior cervical nodes, palatal petechiae and splenomegaly. What is your diagnosis? a. b. c. d. Infectious mononucleosis Streptococcal pharyngitis Oral mucocandidiasis Herpes simplex type2 QUESTION NO42: A 40 years old woman presented with severe pain epigastrium that radiates to back is accompanied by nausea and vomiting. Examination revealed Periumbilical bruising and tenderness in epigastrium. Serum amylase elevated (10 times above the upper limit) which confirms acute pancreatitis. What is the most common cause of acute pancreatitis in our country? a. b. c. d. e. Abdominal trauma Thiazide diuretics Alcohol intake hypercalcemia Gall stones QUESTION NO43: A 20 years old sexually promiscuous active man, who has frequently travelled abroad, presents with severe weight loss and chronic watery diarrhea. He also complains of productive cough and difficulty in swallowing. On examination he is pale and has generalized painless lymph node enlargement and extensive oral ulcerations. His White cell count is 6000/mm3 with only 4% lymphocytes. What is the most likely diagnosis? a. b. c. d. e. Infectious mononucleosis Milliary Tuberculosis Malignant lymphoma Metastatic cancer Acquired immune Deficiency syndrome QUESTION NO44: A 30 yrs old obese, hypertensive person is admitted to medical ward with one day History of severe pain and swelling at the base of right toe. O/E the involved joint is tender, swollen and has overlying red & shiny skin. He has history of similar attacks in the past. This patient has gout and it is secondary to an ANTIHYPERTENSIVE DRUG. Which one of the following drugs he is taking for blood pressure control? a. b. c. d. e. Calcium channel blockers Thiazide diuretics ACE inhibitors Loop diuretics Beta blockers QUESTION NO45: A 60 years male presented with fatigue weight loss and pain in the left hypochondrium for 6months. On examination there was no lymphadenopathy & he has huge firm spleen palpable up to the umbilicus (massive splenomegaly). Blood smears and bone marrow biopsy results confirmed your clinical suspicion of CML. Which one of the following is the most appropriate step in management? a. b. c. d. e. Bone marrow transplantation Tyrosine kinase inhibitor Repeated transfusions Hydroxycarbamide Beta interferon