The part of a rib that articulates with the demifacets on the bodies of vertebrae is the
A. shaft.
B. head.
C. tubercle.
D. tuberosity.
Answer: B
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The uterine epithelium is broken down by which structure of the blastocyst?
A) allantois B) cytotrophoblast C) syncytiotrophoblast D) blastocoele E) amnion
As blood moves from the arterial end to the venous end of a capillary, net filtration pressure
A. increases, as blood hydrostatic pressure rises. B. increases, as blood colloid osmotic pressure rises. C. decreases, as blood hydrostatic pressure decreases. D. decreases, as blood colloid osmotic pressure decreases. E. remains the same, as rises in blood osmotic pressure are offset by declines in tissue osmotic pressure.
Beta-blockers ________.
A) increase a dangerously low heart rate B) decrease heart rate and blood pressure C) have widespread sympathetic effects D) are potent antidepressants
Tetany resulting from uncontrolled muscle spasms may indicate a malfunction of the ________
A) pineal gland B) thymus C) parathyroid glands D) adrenal cortex E) posterior pituitary