Female Sex Glands and Reproduction
1. Which structures in the ovaries secrete hormones?
A) Fallopian tubes and corpus luteum
B) Ovarian follicles and corpus luteum
C) Corpus albicans and uterine lining
D) Endometrium and ovarian follicles
Answer: B
2. What is the primary effect of estrogen?
A) Development of adult male body contours
B) Development and maturation of breasts and external female
genitals
C) Inhibition of the menstrual cycle
D) Stimulation of testosterone production
Answer: B
3. The corpus luteum primarily secretes:
A) Estrogen only B) Progesterone only C) Progesterone and
some estrogen D) Testosterone and estrogen
Answer: C
Male Sex Glands
4. Which cells in the testes secrete testosterone? A) Sertoli cells
B) Interstitial cells C) Germinal cells D) Epididymal cells
Answer: B
5. Which of the following is NOT an effect of testosterone? A)
Maturation of external genitals B) Voice changes at puberty C)
Development of female body contours D) Beard growth
Answer: C
Thymus Gland
6. What hormone is produced by the thymus gland? A) Thymosin
B) Thyroxine C) Testosterone D) Thymidine
Answer: A
7. What is the primary function of thymosin? A) Regulates
metabolism B) Controls calcium balance C) Plays a role in
immune system development D) Stimulates reproductive
organs
Answer: C
Placenta
8. The placenta functions as: A) A permanent endocrine gland B)
A temporary endocrine gland C) A digestive organ D) An
exocrine gland
Answer: B
9. Which of these hormones is NOT produced by the placenta? A)
Chorionic gonadotropins B) Estrogen C) Progesterone D)
Thymosin
Answer: D
10.
The primary function of placental hormones is to: A)
Develop the fetal immune system B) Maintain the corpus
luteum during pregnancy C) Regulate fetal growth only D)
Increase maternal metabolism
Answer: B
Pineal Gland
11.
Where is the pineal gland located? A) Near the pituitary
gland B) Inside the thyroid gland C) Near the roof of the third
ventricle of the brain D) Adjacent to the adrenal glands
Answer: C
12.
The pineal gland is called the "third eye" because: A) It
resembles an eye in structure B) Its secretory activity is related
to light exposure C) It can detect movement D) It has visual
neurons
Answer: B
13.
What hormone does the pineal gland secrete? A)
Melatonin B) Melanin C) Serotonin D) Growth hormone
Answer: A
14.
What is an effect of melatonin? A) Stimulates ovarian
activity B) Inhibits ovarian activity C) Increases testosterone
production D) Decreases immune function
Answer: B
Other Endocrine Functions
15.
Which hormone produced by stomach lining affects
appetite and metabolism? A) Leptin B) Ghrelin C) Insulin D)
Gastrin
Answer: B
16.
Which hormone is secreted by the atrial wall of the heart?
A) Atrial natriuretic hormone (ANH) B) Cardiac peptide C)
Thymosin D) Aldosterone
Answer: A
17.
Which statement correctly contrasts leptin and ghrelin?
A) Leptin increases appetite, while ghrelin decreases it B)
Leptin decreases appetite, while ghrelin increases it C) Both
hormones increase appetite D) Both hormones decrease
appetite
Answer: B
Endocrine Hormone Conditions
18.
Hypersecretion of growth hormone during early years of
life leads to: A) Dwarfism B) Gigantism C) Diabetes insipidus D)
Cretinism
Answer: B
19.
Diabetes insipidus is caused by: A) Hypersecretion of
ADH B) Hyposecretion of ADH C) Excessive insulin production
D) Insufficient iodine intake
Answer: B
20.
What condition is caused by low dietary intake of iodine?
A) Gigantism B) Diabetes insipidus C) Goiter D) Diabetes
mellitus
Answer: C
21.
Hyposecretion of thyroid hormones during formative
years causes: A) Gigantism B) Diabetes insipidus C) Goiter D)
Cretinism
Answer: D
22.
Which type of diabetes is characterized by the pancreatic
islets secreting too little insulin? A) Type 1 diabetes B) Type 2
diabetes C) Gestational diabetes D) Diabetes insipidus
Answer: A
23.
Type 2 diabetes is characterized by: A) Only insufficient
insulin production B) Only abnormal insulin receptors C)
Decrease of insulin and abnormality of insulin receptors D)
Excessive insulin production
Answer: C
24.
Glycosuria refers to: A) Excess glucose in the blood B)
Excess glucose in the urine C) Deficiency of glucose in the
blood D) Absence of glucose in the urine
Answer: B
25.
Which condition is described as transient and improves
following delivery? A) Type 1 diabetes B) Type 2 diabetes C)
Gestational diabetes D) Juvenile diabetes
Answer: C