SOAL-SOAL
SISTEM RESPIRASI
SOAL
• 1. WHAT IS COMPENSASTION OF PULMONARY CIRCULATION IN RESIDENTS AT
HIGH ALTITUDE
SOAL
2. IF A PERSON WITH NORMAL LUNG FUNCTION WERE TO HYPERVENTILATE FOR
SEVERAL SECONDS, THERE WOULD BE A SIGNIFICANT?
A. INCREASE IN THE ARTERIAL PO2
B. DECREASE IN THE ARTERIAL PCO2
C. INCREASE IN THE ARTERIAL PERCENT OXYHEMOGLOBIN SATURATION
D. DECREASE IN THE ARTERIAL PH
SOAL LATIHAN
4. IN THE OXYGEN-HEMOGLOBIN
DISASSOCIATION CURVE, STATE THE UNIT OF
P50 INDEX AND WHAT IT MEANS
P50 INDEX IS WHERE AFFINITY OF HEMOGLOBIN
TOWARD OXYGEN IN HALF OF MAXIMUM, UNIT IS
MMHG
5. RELATIVE TO ATMOSPHERE, WHAT IS VALUE
OF ALVEOLAR AIR PRESSURE AT FUNCTIONAL
RESIDUAL CAPACITY?
ZERO, SAME AS ATMOSPHERE
6. BESIDES ARTERIAL BLOOD PRESSURE OF CO2, STATE TWO OTHER
CONDITIONS AT WHICH P50 INDEX IS DEFINED.
PH AND TEMPERATURE
7. WHAT ACTION OF HEMOGLOBIN
PROMOTES FORMATION OF BICARBONATE
IONS?
(BUFFERING OF HYDROGEN IONS SHIFTS
DIRECTIONS)
8. IN AN EMERGENCY, WHEN ALVEOLAR VENTILATION HAS TO
IMPROVED BY TRACHEOSTOMY, STATE CHANGE IN LUNG
VOLUME THAT IS ALTERED BY OPERATION?
REDUCE ANATOMICAL DEAD SPACE
9. IN PREMATURE BABIES, STATE CHANGE AND WHICH
PHYSICAL FORCE ACCOUNTS FOR BREATHING DIFFICULTIES?
INCREASE ALVEOLAR SURFACE TENSION
(LAPLACE LAW)
P=2T/R
10. IN A PERSON AT HIGH ALTITUDE, STATE PH
DISTURBANCE THAT OCCURS.
RESPIRATORY ALKALOSIS
11. WHAT IS THE MAJOR REASON OF PULMONARY HYPERTENSION IN RESIDENTS AT HIGH ALTITUDE?
(HYPOXIA CAUSES PULMONARY
VASOCONSTRICTION)
DURING INSPIRATION STATE HOW DOES AIRWAY RESISTANCE CHANGE, AND THE MAJOR PRESSURE CHANGE
THAT ACCOUNTS FOR THIS? (RESISTANCE DECREASES DUE TO INCREASE IN INTRAPLEURAL PRESSURE)
12. STATE BRIEFLY WHY A PERSON FEELS
DIZZY IF HE VOLUNTARILY
HYPERVENTILATES FOR A PERIOD OF TIME
HYPOCAPNIA DECREASES CEREBRAL CIRCULATION
OF CO2, CAUSING DIZZINESS