3B Flashcards
1
Q
Hyperkalemis, mild acidosis, rise in RBC concentration, loss of ability to maintain normal blood glucose concentrations between meals, and changes in pigmentation pattern are all consistent with which of the following conditions? A. Cushing’s B. Hypothyroidism C. Addison’s D. Hyperparathyroidism
A
C. Addison’s
2
Q
Which of the following is/are functions of glucocorticoids?
A. Stimulation of gluconeogenesis
B. Decreased glucose utilization by cells
C. Resists inflammation
D. Resists stress
E. All of the above are functions
A
E. All of the above are functions
3
Q
Aldosterone is the major mineralcorticoid and is secreted by which of the following regions of the adrenal cortex? A. Zona glomerulosa B. Zona fasciculata C. Zona reticularis D. Zona medullaris
A
A. Zona glomerulosa
4
Q
Cortisol secretion is controlled mainly by which of the following factors? A. Plasma potassium concentration B. Angiotensinogen II C. Plasma sodium concentration D. ACTH
A
D. ACTH
5
Q
The active form of vitamin D promotes the intestinal uptake of calcium by increasing the formation of which of the following substances? A. Apoprotein B B. Calbindin C. Albumin D. Calciferol
A
B. Calbindin
6
Q
Hypocalcemia usually becomes lethal at which of the following levels? A. 12 mg/dl B. 9.5 mg/dl C. 6 mg/dl D. 4 mg/dl
A
D. 4 mg/dl
7
Q
Normally the body takes in about 1000 mg of calcium per day orally. How much is lost in the feces per day? A. 350 mg B. 750 mg C. 900 mg D. 990 mg
A
C. 900 mg
8
Q
Parathyroid hormone has which of the following effects on renal tubules?
A. PTH promotes the reabsorption of potassium
B. PTH promotes the reabsorption of calcium
C. PTH promotes the reabsorption of sodium
D. PTH promotes the reabsorption of potassium, calcium, and sodium.
A
B. PTH promotes the reabsorption of calcium
9
Q
Which of the following nerves supplies parasympathetic innervation to the parotid gland? A. Facial nerve B. Trigeminal nerve C. Glosspharyngeal nerve D. Vagus nerve
A
C. Glosspharyngeal nerve
10
Q
Which of the following conditions describes the effects of the ANS on sweat glands in the hands and feet? A. Parasympathetic; cholinergic B. Parasympathetic; adrenergic C. Sympathetic; cholinergic D. Sympathetic; adrenergic
A
C. Sympathetic; cholinergic
11
Q
Which of the following acts as an antihypertensive agent by being uptake by adrenergic neurons and replacing norepinephrine in the synaptic vesicles? A. Methozamine B. Albuterol C. Guanethidine D. Phenoxybenzadine
A
C. Guanethidine
12
Q
Beta-3 receptors are involved in which of the following functions? A. Adrenergic, thermogenesis B. Adrenergic, glycogenolysis C. Adrenergic, cardiac acceleration D. Adrenergic, vasoconstriction
A
A. Adrenergic, thermogenesis
