1. Which gland is known as the master gland and controls the functions of other endocrine glands?
a. Thyroid gland
b. Adrenal gland
c. Pituitary gland
d. Pancreas
Answer: c. Pituitary gland
2. Insulin is produced by which organ in the human body?
a. Liver
b. Pancreas
c. Kidney
d. Thyroid
Answer: b. Pancreas
3. Which hormone is responsible for regulating the body’s sleep-wake cycle?
a. Insulin
b. Melatonin
c. Thyroxine
d. Estrogen
Answer: b. Melatonin
4. What is the primary function of the hormone adrenaline?
a. Regulating blood sugar levels
b. Stimulating growth
c. Enhancing the fight-or-flight response
d. Controlling metabolism
Answer: c. Enhancing the fight-or-flight response
5. Which hormone is responsible for calcium regulation in the blood and bones?
a. Insulin
b. Parathyroid hormone
c. Thyroxine
d. Estrogen
Answer: b. Parathyroid hormone
6. What is the primary function of the hormone progesterone in the female reproductive system?
a. Stimulating ovulation
b. Maintaining pregnancy
c. Controlling blood sugar levels
d. Promoting breast development
Answer: b. Maintaining pregnancy
7. Which gland produces thyroxine hormone?
a. Adrenal gland
b. Thyroid gland
c. Pituitary gland
d. Pancreas
Answer: b. Thyroid gland
8. Which hormone is responsible for the development of male secondary sexual characteristics?
a. Testosterone
b. Estrogen
c. Progesterone
d. Prolactin
Answer: a. Testosterone
9. What is the function of the hormone oxytocin in females?
a. Stimulating milk production
b. Stimulating uterine contractions during childbirth
c. Regulating blood pressure
d. Stimulating the growth of bones
Answer: b. Stimulating uterine contractions during childbirth
10. Which hormone is released in response to stress and helps the body cope with challenging situations?
a. Estrogen
b. Cortisol
c. Thyroxine
d. Prolactin
Answer: b. Cortisol
11. Which hormone is responsible for the development of female secondary sexual characteristics and the regulation of the menstrual cycle?
a. Progesterone
b. Estrogen
c. Testosterone
d. Prolactin
Answer: b. Estrogen
12. Which gland is responsible for the production of adrenaline and noradrenaline?
a. Adrenal gland
b. Pituitary gland
c. Thyroid gland
d. Pancreas
Answer: a. Adrenal gland
13. Growth hormone is secreted by which gland?
a. Thyroid gland
b. Adrenal gland
c. Pituitary gland
d. Pancreas
Answer: c. Pituitary gland
14. What is the primary function of antidiuretic hormone (ADH)?
a. Regulating blood sugar levels
b. Promoting water reabsorption by the kidneys
c. Controlling metabolism
d. Stimulating growth
Answer: b. Promoting water reabsorption by the kidneys
15. Which hormone is responsible for stimulating the production of red blood cells in the bone marrow?
a. Thyroxine
b. Prolactin
c. Erythropoietin
d. Cortisol
Answer: c. Erythropoietin
16. What is the primary function of the hormone glucagon?
a. Lowering blood sugar levels
b. Promoting glycogen synthesis
c. Increasing blood sugar levels
d. Regulating blood pressure
Answer: c. Increasing blood sugar levels
17. Which hormone is produced by the pineal gland and plays a role in the regulation of circadian rhythms?
a. Melatonin
b. Insulin
c. Cortisol
d. Estrogen
Answer: a. Melatonin
18. Which gland is responsible for the production of thymosin, a hormone that plays a role in the immune system?
a. Thyroid gland
b. Thymus gland
c. Pituitary gland
d. Adrenal gland
Answer: b. Thymus gland
19. What is the primary function of luteinizing hormone (LH) in the menstrual cycle?
a. Stimulating ovulation
b. Maintaining pregnancy
c. Inhibiting the growth of ovarian follicles
d. Initiating menstruation
Answer: a. Stimulating ovulation
20. Which hormone is responsible for regulating the metabolism of carbohydrates, proteins, and fats in the body?
a. Insulin
b. Thyroxine
c. Growth hormone
d. Cortisol
Answer: d. Cortisol
21. What is the name of the adrenal cortex’s outer layer?
1. Zona reticularis
2. Zona glomerulosa
3. Zone pellucida
4. Zone fasciculata
Answer- Option (2) is correct.
22. In a man being pursued by a dog, which of these hormones would be released quickly?
1. Somatostatin
2. Somatotropin
3. Epinephrine
4. Prolactin
Answer- Option (3) is correct.
23. The breakdown of which of these compounds is not induced by norepinephrine?
1. Glucose
2. Lipids
3. Protein
4. Glycogen
Answer- Option (2) is correct.
24. Which one of these is not a result of the release of catecholamines?
1. Piloerection
2. Dilated pupils
3. Production of glycogen
4. Increase in heart rate
Answer- Option (3) is correct.
25. What condition results from a lack of the hormones produced by the adrenal cortex?
1. Acromegaly
2. Graves disease
3. Addison’s disease
4. Diabetes Insipidus
Answer- Option (3) is correct.
26. Which of the following claims regarding the thymus is untrue?
1. T-lymphocyte differentiation occurs here
2. It releases thymosin
3. It remains healthy in people of all ages
4. Encourages the development of antibodies
Answer- Option (3) is correct.
27. The ______ secretes catecholamines.
1. Posterior pituitary
2. Anterior pituitary
3. Adrenal cortex
4. Adrenal medulla
Answer- Option (4) is correct.
28. What is the exact location of the Adrenal gland?
1. Above the kidneys
2. Between the lungs
3. Around the trachea
4. At the base of the hypothalamus
Answer- Option (1) is correct.
29. Which one of these is not a PTH function?
1. Decreases calcium reabsorption from digested meals
2. Increases blood calcium ion levels
3. Promotes demineralization
4. Encourages the kidneys’ ability to reabsorb calcium ions
Answer- Option (1) is correct.
30. What form does the thymus gland have?
1. Spherical
2. Lobular
3. Irregular
4. Triangular
Answer- Option (2) is correct.
31. Which of these is not a thyroid hormone function?
1. Controlling the basal metabolic rate
2. Controlling erythropoiesis
3. Preserving electrolyte balance
4. Controlling the diurnal cycle
Answer- Option (4) is correct.
32. ______ secretes TCT.
1. The pituitary gland
2. The thyroid gland
3. The adrenal cortex
4. The hypothalamus.
Answer- Option (2) is correct.
33. In relation to the endocrine glands, which of the following is false?
1. They’re referred to as ductless glands
2. These substances are known as hormones
3. Ducts in the bloodstream are where hormones are released
4. ducts are absent from these glands
Answer- Option (3) is correct.
34. Which of the following does not occur when LH and FSH are present in females?
1. Ovulation is induced
2. Androgens are secreted
3. The corpus luteum is maintained
4. Follicle development is stimulated
Answer- Option (3) is correct.
35. Which of the following hormones is not released by the pituitary’s pars distalis region?
1. Prolactin
2. Growth Hormone
3. Follicle-Stimulating Hormone
4. Oxytocin
Answer- Option (4) is correct.