PHCH 667: EXAM 3 QUIZ QUESTIONS AND CORRECT ANSWERS

PHCH 667: EXAM 3 QUIZ QUESTIONS
AND CORRECT ANSWERS
TRH is secreted by the ______?

A) Hypothalamus gland

B) Thyroid

C) Adrenal gland

D) Pituitary gland ✅✅ANSW-A) Hypothalamus



What is the function of thyroid hormone?

A) Solely regulate reproductive processes

B) Inhibit secretion of growth hormone

C) Maintain water homeostasis

D) Regulate carbohydrate, lipid, and protein metabolism within cells ✅✅ANSW-D) Regulate
carbohydrate, lipid, and protein metabolism within cells



TSH is secreted by the __________?

A) Thyroid

B) Pituitary gland

C) Hypothalamus gland

D) Adrenal gland ✅✅ANSW-B) Pituitary gland



A deficiency of thyroid hormone production causing reduced metabolism is ________.

A) Hyperthyroidism

B) Hypothyroidism

C) Thyrotoxicosis

D) Euthroidism ✅✅ANSW-B) Hypothyroidism



A disorder of the thyroid caused by autoimmune reaction to TSH receptor is _________?

A) Euthyroid disease

B) Hashimoto's thyroiditis

, C) Sick euthyroid syndrome

D) Grave's disease ✅✅ANSW-D) Grave's disease



What is the most common type of laboratory assay that is widely used to assess thyroid hormone
concentrations such as FT4?

A) estimation based on formula

B )potentiometry

C) ultrafitration

D) immunoassay ✅✅ANSW-D) immunoassay



Total T4 =

A) Free T4 + bound T4

B) Free T3 + bound T4

C) Free T3 + rT3

D) Bound T4 + rT3 ✅✅ANSW-A) Free T4 + Bound T4



Hyperthyroidism is diagnosed by which of the following?

A) Decreased T4 and decreased T3

B) Increased T4 and increased T3

C) Decreased T4 and increased T3

D) Increased T4 and decreased T3 ✅✅ANSW-B) Increased T4 and increased T3



Hypothyroidism is diagnosed by which of the following?

A) Increased T4 and increased T3

B) Decreased T4 and increased T3

C) Decreased T4 and decreased T3

D) Increased T4 and decreased T3 ✅✅ANSW-C) Decreased T4 and decreased T3



Release of glucose from its storage is called:

A) Glycogenolysis

B) Glyconeogenesis