Sally has had too many alcoholic drinks. Alcohol is a systemic vasodilator and it increases urine volume, thereby decreasing blood volume. In order to maintain cardiac output, what can her body do?
A. Increase total peripheral resistance (TPR)
B. Increase heart rate
C. Increase stroke volume
D. Decrease heart rate
E. Decrease stroke volume
Answer: B
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The anorectal flexure of the anal canal:
A) occurs at the level of S3. B) is maintained by the transverse rectal folds. C) is where the alimentary tract penetrates the pelvic diaphragm. D) is within the rectovesical pouch. E) is where the omental appendices cease.
If all other factors are held constant, what effect would "choking up" on a bat have on the resultant linear velocity of a hit ball?
A. increase B. decrease C. remain the same D. need more information
In the correct order, the steps involved in a neural reflex are:
(1) information processing (2) activation of a sensory neuron (3) arrival of a stimulus and activation of a receptor (4) activation of a motor neuron (5) response of a peripheral effector A) 3, 2, 1, 4, 5 B) 1, 2, 3, 4, 5 C) 5, 4, 3, 2, 1 D) 2, 4, 5, 3, 1 E) 1, 4, 5, 3, 2
The renal corpuscle is located within the
A. renal cortex. B. collecting duct. C. renal medulla. D. renal pelvis.