The type of burn that may require a skin graft is a:
A) first-degree burn. B) second-degree burn.
C) third-degree burn. D) partial-thickness burn.
Answer: C
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When hyperplasia proceeds out of control, a tumor may develop. This condition is termed
A. fibrosis. B. neoplasia. C. atrophy. D. hypertrophy. E. metaplasia.
Excess release of natriuretic peptides would cause
A) a large volume of concentrated urine. B) a large volume of dilute urine. C) a small volume of concentrated urine. D) a small volume of dilute urine. E) a small volume of urine void of sodium.
Joe suffered a hairline fracture at the base of the dens. Identify the bone and fracture site
A) atlas; cervical B) atlas; lumbar C) axis; lumbar D) axis; thoracic E) axis; cervical
An action potential in a neuronal membrane differs from a graded potential in that
A. movement of Na+ and K+ across cell membranes mediate action potentials, while graded potentials do not involve movement of Na+ and K+. B. an action potential is propagated without decrement, whereas a graded potential decrements with distance. C. an action potential has a threshold, whereas a graded potential is an all-or-none phenomenon. D. action potentials vary in size with the size of a stimulus, while graded potentials do not. E. an action potential requires the opening of Ca2+ channels, whereas a graded potential does not.