Which pair of hormones will both bind to membrane bound receptors located on its target cells?
1. Epinephrine and thyroxine
2. Calcitonin and glucagon
3. Estradiol and triiodothyronine
4. Adrenaline and aldosterone
What would not be true for pancreas?
1. | The exocrine pancreatic acini secrete digestive enzymes |
2. | The endocrine islets of Langerhans constitute about 50% of the gland |
3. | The hormones secreted by endocrine pancreas are peptides |
4. | Alpha cells secrete glucagon, beta cells secrete insulin and delta cells secrete somatostatin |
Identify the correct statements from the following:
I: | ANF is secreted by the right atrium of heart and causes vasodilation |
II: | Erythropoietin is secreted by kidney and stimulates bone marrow to produce RBC |
III: | Insulin-like growth factors are secreted by liver and play an important role in childhood growth, and has anabolic effects in adults |
1. | Only I and II | 2. | Only I and III |
3. | Only II and III | 4. | I, II and III |
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. | Gastrin | a. | Contraction of gall bladder and stimulation of enzyme secretion by pancreas |
B. | Cholecystokinin | b. | Increased HCl secretion |
C. | Secretin | c. | Inhibition of gastric secretion and motility |
D. | Gastric inhibitory peptide | d. | Stimulation of bicarbonate rich mucoid secretions from pancreas |
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 |
Consider the functions given:
I: | Stimulation of synthesis of androgens |
II: | Regulation of spermatogenesis |
III: | Induction of ovulation |
IV: | Maintenance of corpus luteum |
The functions of LH will include:
1. | I, II and III only | 2. | I, III and IV only |
3. | II, III and IV only | 4. | I, II, III and IV |
Identify the incorrect statement regarding thyroid gland:
1. | The two lobes are connected by an isthmus |
2. | Iodine is essential for synthesis of T3 and T4 by thyroid |
3. | The follicles are lined by cuboidal epithelium |
4. | All hormones secreted by thyroid are iodothyronines |
The functions of insulin do not include:
1. Glycogenesis
2. Gluconeogenesis
3. Increased cellular glucose uptake
4. Increased cellular glucose utilization
Consider the following regarding the actions of steroidal hormones produced by human ovary:
I: | Estrogen is responsible for the development and maintenance of secondary sexual characters in females |
II: | Progesterone is a pregnancy hormone |
III: | Estrogen regulates female sexual behavior |
IV: | Progesterone stimulates the formation of alveoli in mammary glands |
Select correct statements from above statements
1. | I, II and III | 2. | I, II and IV |
3. | II, III and IV | 4. | I, II, III and IV |
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
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