Which of the following assessments uses the reflex hammer?
a. wheelbarrow technique c. toe pinch response
b. knee jerk reaction d. none of the above
B
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The elasticity of the lens decreases with age. This leads to which of the following?
A) less light getting to the retina and diminished visual acuity B) lowered accommodation of the pupillary reflex and blurry vision C) a clouding of the lenses know as a cataract D) less accommodation of the lenses and difficulty focusing on nearby objects
During ventricular systole,
A) the ventricles are relaxed. B) blood is entering the ventricle. C) the semilunar valves remain closed. D) the pressure in the ventricles decreases. E) the ventricles are contracting.
A 15% increase in blood pressure would result in which of the following changes in ADH secretion?
A. No change in secretion B. Decreased secretion C. Increased secretion
Which best describes the extracellular matrix?
A. It is found just inside the cell membrane in all tissues, it sends branching collagen fibers between cells to connect them, and it transmits chemical information from the interior of one cell to the interior of adjacent cells. B. It is a tissue having more than the four general cell types, it transports proteins and polysaccharides between body compartments, and it is the route by which chemical signals like hormones reach all parts of the body. C. It covers the body's surface, it contains connective and muscle tissue, and it helps generate movement. D. It surrounds cells; it contains proteins, polysaccharides, and minerals; it provides a scaffold for cell attachment; and it transmits chemical messengers to cells.