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RUSVM Physiology II > Adrenal, Thyroid and Parathyroid Review Questions (Vieira) > Flashcards

Adrenal, Thyroid and Parathyroid Review Questions (Vieira) Flashcards

1
Q

Where is aldosterone produced?

A

Zona Glomerulosa

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2
Q 
Which hormone is the first step in the adrenal cortex steroidogenesis?
A. Pregnenolone
B. Progesterone
C. Cortisol
D. Androstenedione
A

A. Pregnenolone

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3
Q

T/F Steroid hormones are made from cholesterol, transported by proteins in the blood and bind to nuclear receptors in the target tissues.

A

True

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4
Q 
Which of the following is NOT an expected effect of aldosterone?
A. Reabsorption of Na
B. Reabsorption of K
C. Reabsorption of Cl
D. Reabsorption of water
A

B. Reabsorption of K

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5
Q 
Which of the following is a direct regulator of aldosterone release? 
A. TSH 
B. Presynaptic neuron
C. Potassium
D. Angiotensinogen
A

C. Potassium

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6
Q 
Which of the following represents a hormone produced by adrenal medulla?
A. Cortisol
B. Aldosterone
C. Androgen 
D. Epinephrine
A

D. Epinephrine

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7
Q 
Which of the following is an effect of aldosterone?
A. Increase in blood volume
B. Increase in glucose availability 
C. Tachycardia 
D. Activation of Vitamin D
A

A. Increase in blood volume

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8
Q 
Which of the following hormones stimulates zona fasiculata and glomerulosa, respectively. 
A. ACTH and Angiotensin II
B. Angiotensin II and ACTH
C. CRH and Angiotensin II
D. Angiotensin II and CRH
A

A. ACTH and Angiotensin II

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9
Q 
Epinephrine does NOT cause: 
A. Tachycardia
B. Vasodilation of visceral organs
C. Vasodilation of skeletal muscle
D. Increase in glucose availability
A

B. Vasodilation of visceral organs

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10
Q

T/F Cortisol increase GLUT4 translocation on muscle cells

A

False

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11
Q 
Which of the following amino acids is a substrate for thyroid hormone production?
A. Arginine
B. Taurine
C. Tyrosine
D. Alanine
A

C. Tyrosine

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12
Q

T/F Thyroid peroxidase is responsible for iodide oxidation, iodination of tyrosine residues and coupling of MIT and DIT for the formation of thyroid hormones.

A

True

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13
Q 
Thyroxine is formed by: 
A. The fusion of 1 MIT + 1 MIT
B. The fusion of 1 MIT + 1 DIT
C. The fusion of 1 DIT + 1 DIT
D. The fusion of 1 DIT + 2 MIT
A

C. The fusion of 1 DIT + 1 DIT

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14
Q

Which of the following is NOT true about T3?
A. Is largely produced by the thyroid gland
B. Is carried by proteins in the plasma
C. Is formed by the deiodination of free T4
D. Binds to nuclear receptors

A

A. Is largely produced by the thyroid gland

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15
Q 
Where does PTH have indirect effects?
A. Bone
B. Kidney
C. GI tract
D. Heart
A

C. GI Tract

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16
Q

Which of the following is NOT a physiological action of PTH?
A. Decrease renal absorption of phosphate
B. Decrease calcium movement from the bones to ECF
C. Activate 1-alfa hydroxylase in the kidney
D. Indirectly increase GI absorption of calcium

A

B. Decrease calcium movement from bones to ECF

RUSVM Physiology II (3 decks)

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