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MCQs on Endocrine System


1. Which of the following is not secreted by pituitary gland?
Prolactin
MSH
Oxytocin
ACTH

2. Which of the organs are capable of releasing hormones?
Endocrine gland
Brain
Heart
Liver
All of the above
3.Which group of hormones have shortest half life?
Amines
Steroids
Polypeptides
Proteins

4. Which of the following hormones has its second receptor cGMP?
TSH
PTH
LH
ANP
5. About half of the cells of anterior pituitary are?
Somatotrophs
Corticotrophs
Gonadotrophs
Thyrotrophs

6. ADH acts at?
PCT of kidney
Ascending limb of loop of Henle
Descending limb of loop of Henle
DCT and collecting ducts
7.The hormone responsible for milk ejection reflex is?
Oxytocin
Prolactin
ADH
FSH

8. Deficient glucocorticoid production leads to a disorder known as?
Cushing's Syndrome
Conn's Syndrome
Pheochromocytoma
Addison's Disease
9.The renal threshold for glucose reabsorption is plasma glucose level of about:?
30 mg/dl
60 mg/dl
180 mg/dl
200mg/dl
10. Hyperprolactinemia can cause the following except ?
Amenorrhoea
Gynecomastia
Multiple ovulation
Depressed fertility

11. For therapeutic use growth hormone is obtained from ?
Recombinant DNA technology
Human cadaver pituitaries
Porcine pituitaries
Chemical synthesis
12. Gynecomastia can be treated with?
Chlorpromazine
Cimetidine
Metoclopramide
Bromocriptine

13. Which of the following inhibits lactation?
Prolactin
Chorionic somatomammotropin
Estrogen and progesterone
Growth hormone
14. Which of the following cells are acidophilic ?
Somatotrophs
Corticotrophs
Thyrotrophs
Gonadotrophs

15. Hypersecretion of growth hormone causes ?
Acromegaly
Hyperglycemia
Visual disturbances
All of the above
16. Insulin is secreted by?
Alpha cells of pancreas
Beta cells of pancreas
Gamma cells of pancreas
Delta cells of pancreas

17. Mineralocorticoids are secreted by ?
Zona glomerulosa of adrenal cortex
Zona fasciculata of adrenal cortex
Zona reticularis of adrenal cortex
Adrenal Medulla
18. All of these hormones have cell membrane receptors except ?
Thyroid stimulating hormone (TSH)
Thyrotropin releasing hormone (TRH)
Thyroid hormone (T3 and T4)
Antidiuretic hormone (ADH)

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