In the circulatory system, the largest pressure drop occurs across which blood vessels?

A) arteries
B) veins
C) capillaries
D) arterioles
E) venules


Answer: D) arterioles

Biology & Microbiology

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In the human digestive system, ________ is the rhythmic smooth muscle contractions that aid in moving food along the system.

A. countercurrent exchange B. phagocytosis C. peristalsis D. rumination E. sphincter contractions

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A human infection that results from a microorganism that primarily infects animal populations is referred to as a(n) _________ infection

a. accidental b. zoonotic c. secondary d. vector

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Which of the following is not a legume?

A. alfalfa B. peas C. corn D. soybeans E. beans

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A ___ usually phosphorylates and modifies the functional state of a number of distinct substrate proteins

a. phosphate b. receptor for tyrosine kinase c. kinase d. amino acid residue

Biology & Microbiology