During which stage of labor does the cervix soften, efface, and dilate?
A) dilation stage
B) parturition stage
C) placental stage
D) expulsion stage
A
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Which of the following is not a cause of Cushing syndrome?
A) Hyperactivity of the adrenal medulla B) Excess cortisol secretion C) Hyperactivity of the adrenal cortex D) ACTH hypersecretion by the pituitary E) ACTH-secreting tumors
The "link" between the subclavian and brachial arteries is the __________.
a. axillary artery b. brachiocephalic artery c. vertebral artery d. cephalic artery
Which body feature do ultramarathon runners count on to give their muscles fuel for endurance?
A) Stronger long bones B) Healthy cartilage C) Toned ligaments and tendons D) Richer blood supply
Which of the following is not a feature of the sympathetic division of the ANS?
A) It has long preganglionic fibers. B) Its ganglia are adjacent to the spinal column. C) It originates in the thoracolumbar region of the spinal cord. D) It has an extensive neural divergence and a relative widespread effect. E) It has long postganglionic fibers.