In response to sympathetic stimulation, ________; this allows for ________during fight-or-flight.
A. intestinal motility increases; greater energy availability
B. blood vessels in skeletal muscles dilate; greater oxygen delivery to the muscle
C. bronchioles vasodilate; heart rate to decrease
D. pupils constrict; more acute vision
Answer: B
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The period after an initial stimulus when a neuron is not sensitive to another stimulus is the ________
A) repolarization B) resting period C) absolute refractory period D) depolarization
After passing from the thoracic cavity over the border of the first rib, the subclavian artery changes its name. The name changes continue along the arm and to the hand. In correct order, these names are:
(1) superficial palmar arch (2) deep palmar arch (3) brachial artery (4) radial artery (5) axillary artery (6) ulnar artery A) 5, 3, 4 or 6, 1 or 2 B) 6, 5, 4, 3, 2, 1 C) 1, 2, 3, 4, 5, 6 D) 1 or 4, 2, 3 or 5, 6 E) None of the answers are correct.
The enzyme catalyzing the hydrolysis of triglycerides is ________.
A. lactase B. trypsin C. maltase D. lipase
The chest is superior to the head.
Answer the following statement true (T) or false (F)