What does the prognosis of a disease refer to?
A. the mortality rates of the disease
B. the degree of infectiousness
C. the ability of the disease to spread
D. the expected or usual outcome of the disease
E. the cause of the disease
Answer: D
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An electrical charge or membrane potential exists across nerve cell membranes because:
a. the membrane is permeable to sodium ions b. the cell membrane allows more positively charged ions to leak out than to leak in c. the membrane is impermeable to all ions d. water can slow freely across the membrane
Which of the following health conditions are consequences of decreased absorption of zinc due to heavy alcohol consumption?
A) Muscle rigidity, cramps, and twitching B) Irregular cardiac function and blood clots C) Altered taste and loss of appetite D) Bruising and prolonged bleeding
Which of the following is a high-risk group for anorexia nervosa?
A) Competitive athletes B) People with type 1 diabetes C) Fitness instructors D) Dietetics majors E) All of the above
An increased fiber intake within recommended guidelines may ________.
A. decrease risk of diabetes B. decrease risk of certain cancers C. lower blood lipid levels D. All of these choices are correct.