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1.The short loop of negative feedback to hypothalamus is provided by signals rel

ID: 222088 • Letter: 1

Question

1.The short loop of negative feedback to hypothalamus is provided by signals released from

a.thyroid.

b.gonads.

c.heart.

d.anterior pituitary

2. Adrenal glands do not secrete

a.mineralocorticoids

b.glucocorticoids

c.androgen

d.epinephrine

e.melatonin

3. What is the primary action of glucocorticoids on whole body metabolism?

a.increased fatty acid uptake by the adipocytes

b.reduced gluconeogenesis

c.increased mobilization of fuel sources

d.increased glycogenosis

4. A young woman has a tumor on her thyroid gland, which is preventing it from secreting normal levels of thyroid hormone. Classify this type of endocrine disorder.

a.secondary hyposecretion disorder

b.primary hypersecretion disorder

c.primary hyposecretion disorder

d.secondary hypersecretion disorder

a.thyroid.

b.gonads.

c.heart.

d.anterior pituitary

2. Adrenal glands do not secrete

a.mineralocorticoids

b.glucocorticoids

c.androgen

d.epinephrine

e.melatonin

3. What is the primary action of glucocorticoids on whole body metabolism?

a.increased fatty acid uptake by the adipocytes

b.reduced gluconeogenesis

c.increased mobilization of fuel sources

d.increased glycogenosis

4. A young woman has a tumor on her thyroid gland, which is preventing it from secreting normal levels of thyroid hormone. Classify this type of endocrine disorder.

a.secondary hyposecretion disorder

b.primary hypersecretion disorder

c.primary hyposecretion disorder

d.secondary hypersecretion disorder

Explanation / Answer

as.1)d- anterior pituitory

reason- long term negative feedback is given by T3 and T4 to both pituitory gland and hypothalamus. but short loop is given by anterior pituitory to hypothalamus

ans.2)e- melatonin

reason- melatonin is secreted by pineal gland and is responsible for circadian rhythm

ans.3)c- increased mobilisation of fuel sources

reason- to increase energy level to compensate stress on body including activation of sympathetic nervous system

ans. 4 ) c. Primary hyposecretion disorder

reason- the tumor is not letting thyroid to secrete normal levels of hormone