Q. No.Which anterior pituitary hormone is predominantly under inhibitory control?
1. LH
2. Growth hormone
3. Prolactin
4. Thyrotropin
1. LH
2. Growth hormone
3. Prolactin
4. Thyrotropin
Hormones which interact with intracellular receptors:
1. generate second messengers
2. depolarize the membrane of the target cells
3. stop the enzymatic actions of membrane proteins
4. regulate gene expression
1. Graves’ disease
2. Addison’s disease
3. Conn’s syndrome
4. Diabetes mellitus
Match each item in Column I [Hormone] with one in Column II [Function] and select your answer from the codes given:
|
Column I |
Column II |
||
| A. |
ADH |
a. |
Makes collecting duct permeable to water and urea |
| B. |
PTH |
b. |
Stimulates osteoclasts |
| C. |
LH |
c. |
Rupture of Graafian follicle leading to ovulation |
| D. |
ANF |
d. |
Causes vasodilation |
Codes:
| A | B | C | D | |
| 1. | a | b | c | d |
| 2. | a | b | d | c |
| 3. | b | a | d | c |
| 4. | b | a | c | d |
Match each item in COLUMN I [Hormone] with one in COLUMN II [Stimulus for release] and select your answer from the codes given:
| COLUMN I | COLUMN II | ||
| A. | ADH | a. | Dehydration, increased blood osmolarity, decreased GFR |
| B. | Aldosterone | b. | A rise in plasma potassium level |
| C. | Cholecystokinin | c. | Fat rich chyme in stomach |
| D | Erythropoietin | d. | Tissue hypoxia |
Codes
| A | B | C | D | |
| 1. | a | b | c | d |
| 2. | a | b | d | c |
| 3. | b | a | d | c |
| 4. | b | a | c | d |
The correct location of the hypophysis in human body should be:
1. ethmoid sinuses
2. parietal bone
3. foramen magnum
4. sellaturcica
All the following statements regarding parathyroid hormone are correct except:
| 1. | It is a peptide hormone |
| 2. | It is regulated by a tropin secreted by anterior pituitary |
| 3. | It stimulates the process of bone resorption or demineralization |
| 4. | It stimulates calcium absorption from the digested food |
All the following are common second messengers involved in hormonal actions except:
1. Cyclic adenosine monophosphate
2. Inositol phosphate
3. Prostaglandins
4. Calcium
Identify the incorrectly matched pair:
1. Conn’s disease: Hyperaldosteronism
2. Addison’s disease: Hypoadrenalism
3. Osteitis, fibrosa, cystica: Hypoprathyroidism
4. Hashimoto’s disease: Hypothyroidism
The hormones of ‘flight or fight’ response:
1. are secreted by the zona glomerulosa of adrenal cortex
2. are commonly called as catecholamines
3. are released slowly over a period of time when required
4. do not act via a second messenger system
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