What type of shock occurs when bacterial toxins trigger vasodilation and increase capillary permeability?
A. Septic
B. Neurogenic
C. Anaphylactic
D. Cardiogenic
E. Compensated
Answer: A
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Which component of a homeostatic regulation is characterized as having an activity that opposes or enhances the stimulus?
A) balance B) control center C) integration center D) positive feedback loop E) effector
Most of the calcium that triggers contraction of cardiac muscle comes
A. into the cell through leakage channels in the sarcolemma. B. into the cell through voltage-gated channels in the sarcolemma. C. from the sarcoplasmic reticulum of the cell. D. from the Golgi apparatus of the cell.
How does an epiphysis contribute to the growth and function of a long bone?
A) It allows growth at the metaphysis while retaining the shape of the articular surface. B) It permits bones of different densities to occur in close proximity. C) It allows the bone to replace the cartilage at the metaphysis more rapidly. D) It permits more additional bone to be formed than would occur without it. E) None of the answers are correct.
Of the five types of secretory cells in the gastric glands, which ones secrete pepsinogen?
A. Mucous neck cells B. Chief cells C. Enteroendocrine cells D. Surface mucous cells E. Parietal cells