When the ________ detects a decrease in the glomerular filtration rate it secretes ________ to start the renin-angiotensin mechanism.
A. juxtaglomerular complex; angiotensin converting enzyme
B. juxtaglomerular complex; renin
C. pituitary gland; ADH
D. lungs; angiotensinogen
Answer: B
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Red bone marrow is responsible for which of the following functions?
A. Bone deposition B. Hemopoiesis C. Storage of minerals such as calcium D. Endochondral ossification E. Storage of energy
A person suffered burns over a large part of his body. Evaporation of fluid from the surface of burned areas occurs. As a result of the evaporation process, cells will tend to
A. shrink. B. swell. C. remain unchanged. D. first swell and then resume their original shape. E. rupture.
Imagine a patient who loses lots of blood and therefore has less stretch of their aorta with each heartbeat. What reflex will result?
A. Baroreceptors increase firing, the cardioinhibitory center increases firing, and the heart slows significantly to prevent further bleeding. B. Baroreceptors decrease firing, the cardioinhibitory center and vasomotor centers increase firing, the heart slows, and blood is redirected. C. Baroreceptors increase firing, the vasomotor center increases firing, and skin blood vessels will dilate to cause a compensatory increase in flow. D. Baroreceptors decrease firing, the cardioacceleratory center increases firing, and cardiac output will exhibit a compensatory increase.
Where are the lymph node aggregations most dense?
What will be an ideal response