Keratinization
A. produces a layer of cells that resist abrasion.
B. does not affect permeability characteristics of the epidermis.
C. determines skin color.
D. results in the formation of new epidermal cells.
E. occurs in the dermis.
Answer: A
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How is the length of a skeletal muscle cell related to the force it can generate?
A. Skeletal muscle cells generate the most force when the contraction occurs at an intermediate length. B. The shorter a skeletal muscle cell is when it begins to contract, the stronger the force generation will be. C. Skeletal muscle cells generate the same amount of force, regardless of their length. D. The longer a skeletal muscle cell is when it begins to contract, the stronger the force generation will be. E. The tension in a skeletal muscle cell is greatest when contractions occur at either very short or very long lengths.
Referring to Figure 1.2, at approximately what age do men begin to show higher systolic blood pressures than women? At what age does this trend reverse?
What will be an ideal response?
The parasympathetic fibers that are involved in control of the eye are from the
A) trigeminal nerve. B) facial nerve. C) vagus nerve. D) glossopharyngeal nerve. E) oculomotor nerve.
Respiratory alkalosis can occur as a result of ________.
A. severe emphysema B. asphyxia C. asthma D. hypoventilation E. hyperventilation