Which of the following vitamins is needed to promote healthy muscular growth?
A. Vitamin B1
B. Vitamin B2
C. Vitamin B12
D. Vitamin D3
Answer: B
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The meningeal branch of a spinal nerve actually reenters the vertebral canal to innervate the meninges and blood vessels
Indicate whether the statement is true or false
Which of the following glands regulates metabolism and iodine uptake?
A) thyroid B) posterior pituitary C) adrenal D) anterior pituitary
Secretion of atrial natriuretic peptide
A. increases potassium excretion. B. decreases sodium excretion. C. increases sodium excretion. D. decreases potassium excretion.
Stimulation of ?1 adrenergic receptors by norepinephrine results in
A) an increase in the amount of intracellular cAMP. B) a decrease in the amount of intracellular cAMP. C) decreased membrane permeability to sodium ion. D) release of calcium ions from intracellular stores. E) increased membrane permeability to potassium ions.