Patients with damage in the left hemisphere often exhibit aphasia (inability to use or comprehend words). This is an example of
a) apraxia.
b) delirium.
c) cerebral lacerations.
d) hemispheric lateralization.
e) decussations.
d
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Which of the following is not true of enzymes?
A. Enzyme activity is temperature-dependent. B. Enzymes are relatively non-specific, and able to catalyze several chemical reactions in the body. C. Denaturation destroys the ability of an enzyme to function. D. They are considered to be biological catalysts. E. All of these are true of enzymes.
The loss of height that occurs with aging is due to compression of the
A. pelvic girdle. B. vertebral arches. C. vertebral bodies. D. vertebral foramen. E. intervertebral discs.
In general, to maintain homeostasis the relationship between our intracellular and extracellular fluids should be which of the following?
A) intracellular and extracellular should both be hypertonic B) isotonic to each other C) intracellular should be hypotonic to extracellular D) intracellular should be hypertonic to extracellular
Vasodilation is associated with:
a. increased sympathetic nervous system stimulation b. increased carbon dioxide and nitric oxide levels c. increased oxygen levels and myogenic activity d. decreased nitric oxide levels and increased histamine release e. decreased carbon dioxide and myogenic activity