When a person is at rest, approximately ___ percent of his/her blood volume is in the pulmonary circulation.
A) 60%
B) 15%
C) 12%
D) 8%
Answer: C) 12%
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The ________ nervous system facilitates increased blood flow to the penis by facilitating local release of ________.
A. parasympathetic; norepinephrine B. sympathetic; norepinephrine C. parasympathetic; nitric oxide D. sympathetic; nitric oxide E. somatic; acetylcholine
Which statement accurately describes isomers?
A. They possess differing numbers of neutrons in their nuclei. ?B. They have the same molecular shape but involve different elements. ? C. They have the same structural formula but different molecular formulas. ?D. They have the same molecular formula but different structural formulas. ? E. They have gained or lost electrons at their outer shell.
The function of the kidney is to filtrate and reabsorb the body fluid. Which of the following structures mediates the reabsorption of the filtrate?
a. Nephron tubules b. Glomerulus c. Bowman's capsule d. Podocytes e. Juxtaglomerular apparatus (JGA)
Visceral smooth muscle is found in which of the following systems? Select all that apply.
A. Urinary B.Cardiac C. Digestive D. Skeletal E. Reproductive