How many true ribs do humans have?
A) three
B) five
C) seven
D) twelve
E) fifteen
C
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The secretion of parathyroid hormone is controlled primarily by the
A) hypothalamus. B) pituitary gland. C) concentration of blood calcium. D) thyroid gland.
Damage to cellular DNA that cannot be repaired would induce ________.
A. apoptosis B. mitosis C. cell division D. meiosis
Increasing recruitment in a muscle, causes the strength of the contraction to _____ by ______.
A. increase, increasing the force of contraction of each contracting muscle fiber B. decrease, decreasing the number of muscle fibers contracting C. decrease, decreasing the force of contraction of each contracting muscle fiber. D. increase, increasing the number of muscle fibers contracting
The lack of adequate surfactant can result in ________
A) adenocarcinoma B) chronic obstructive pulmonary disease (COPD) C) tuberculosis D) asthma E) infant respiratory distress syndrome (IRDS)