The functions regulated or influenced by thyroid glands in humans include all except:
1. | basal metabolic rate | 2. | erythropoeisis |
3. | water and electrolyte balance | 4. | sleep wakefulness cycle |
Which of the following cannot be regarded as a main function of cortisol?
1. | Increased blood sugar by gluconeogenesis |
2. | Lipolysis, proteolysis and decreased uptake of amino acids by body cells |
3. | Regulation of water and minerals in the body |
4. | Suppression of inflammation and immunity |
The actions of adrenaline will include all the following except:
1. Piloerection
2. Pupilary dilation
3. Glycogenesis
4. Positive ionotropic and chronotropic effect on heart
Identify the correct statement regarding the pineal gland or the hormone secreted by it:
1. | The gland is situated on the ventral side of the forebrain |
2. | The hormone secreted by the gland is called as melanin |
3. | The hormone regulates the diurnal rhythm of our body |
4. | The hormone decreases immunity |
Match each item in Column I [zones of adrenal cortex] with one in Column II [hormone produced] and select your answer from the codes given:
Column I |
|
Column II |
|
A. |
Zona glomerulosa |
a. |
Aldosterone |
B. |
Zona fasciculata |
b. |
Cortisol |
C. |
Zona reticularis |
c. |
Adrenal androgens |
Codes
A | B | C | |
1. | a | b | c |
2. | a | c | b |
3. | b | a | c |
4. | b | c | a |
Diabetes insipidus, characterized by water loss and dehydration, is caused by:
1. | Hyposecretion of ADH | 2. | Hypersecretion of ADH |
3. | Hyposecretion of insulin | 4. | Hypersecretion of insulin |
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 |
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 |