Microscopic folds that extend from the apical surface of certain epithelia to increase the surface area for absorption and secretion are called
A. desmosomes.
B. flagella.
C. microvilli.
D. cilia.
E. mucous ridges.
Answer: C
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The semicircular ducts are part of the membranous labyrinth
Indicate whether this statement is true or false.
During the fight-or-flight reaction, ________ is released from the adrenal medulla and binds to ________ receptors, found on the vascular smooth muscle of heart, liver, and skeletal muscle arterioles and results in (increased/decreased) blood flow to these organs; the same hormone binds to ________ receptors on other tissues, causing (increased/decreased) blood flow to these organs.
Fill in the blank(s) with the appropriate word(s).
Define cranial drawer sign
What will be an ideal response?
How much more permeable to water is the glomerular capillary wall compared to capillaries elsewhere in the body?
a. 100x b. 50x c. 20x d. 10x e. 2x