B cells are responsible for
A. cell-mediated immunity.
B. antibody-mediated immunity.
C. inflammation.
D. nonspecific immunity.
Answer: B
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With the elbow and wrist extended, painting a circle on a canvas requires __________ of the shoulder.
A. rotation B. circumduction C. extension D. flexion E. elevation
How is the plasma membrane involved in structural support of body tissues?
A) It has specialized connections to other cells or extracellular materials. B) It primarily consists of fibrous proteins. C) It is inflated by cytoplasm at high pressure. D) Tissues are largely composed of empty plasma membranes left by dead cells. E) It is hydrophobic, so it repels extracellular fluid and attracts the membranes of other cells.
This figure shows a lateral view of the skull. Which number indicates the lambdoid suture?
A. 1 B. 2 C. 3 D. 4 E. The lambdoid suture is not shown on this figure.
Digoxin is a drug that leads to increases in potassium ion concentration in the interstitial fluid. Determine the condition that results from digoxin toxicity
A) hypercalcemia B) hypernatremia C) hyperkalemia D) hyperglycemia