Renal clearance is defined as:
A) the amount of filtrate that is reabsorbed during one day.
B) the rate at which the kidneys remove a substance from the blood.
C) the percent of blood plasma that passes through the filtration membrane.
D) the amount of filtrate formed by both kidneys in one minute.
Answer: B
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The different types of muscle tissue differ from each other by
a) microscopic anatomy. b) location. c) type of Control. d) both microscopic anatomy and location. e) All of these choices are correct.
A tissue sample has the following components: calcified matrix, collagen, and fibroblasts. Sandy has identified it as bone, but her instructor stated that was incorrect. Which statements below should her instructor use to explain the error?
A. Bone tissue has elastin fibers, not collagen fibers. B. Bone tissue would have osteoblasts, osteoclasts, and osteocytes present. C. Fibroblasts are only present in cartilage tissue. D. Calcified matrix is a characteristic of cartilage not bone tissue.
The villi, microvilli, and plicae circularis function to
A. stimulate chemical digestion. B. liberate hormones. C. produce bile. D. increase surface area for absorption. E. promote peristalsis.
Which vein or veins drain the knee region of the body?
a. external iliac veins b. popliteal vein c. femoral vein d. great saphenous vein