Efferent ductules contain cilia that propel sperm toward the epididymis.
Answer the following statement true (T) or false (F)
True
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A tone caused by striking one of the lowest notes on a piano keyboard will cause vibration of the basilar membrane at a point closer to the helicotrema than to the oval window.
Answer the following statement true (T) or false (F)
This hormone would tend to decrease the amount of urine produced
A) Antidiuretic hormone B) Aldosterone C) Atrial natriuretic hormone D) Both A and B
Norepinephrine (NE) is released from sympathetic fibers in response to a sudden drop in mean arterial pressure (MAP). What does NE do to help return MAP to normal?
A. NE release increases total peripheral resistance leading to an increase in MAP B. NE acts on cells of the SA node to increase contractility C. NE release at ventricular cells increases the force of contraction and decreases the duration of systole D. NE stimulates the release of epinephrine from the adrenal medulla E. NE released at the SA node increases the slope of the pacemaker potential F. NE causes vasodilation of many arterioles leading to increased MAP
Which renal structure is responsible for producing hypertonic urine by reabsorbing water while allowing metabolic wastes and NaCl to pass through?
A) Glomerulus B) Collecting duct C) Nephron loop D) Proximal convoluted tubule E) Distal convoluted tubule