Which of the following is a characteristic of older people?
A. Always becoming confused
B. Having less tolerance to glucose
C. Always being unhappy about aging
D. Having little physical energy
Answer: B
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A patient with asthma is using his inhaler tid and prn. You would recognize that:
A) the patient is only prescribed his inhaler three times a day. B) the patient is suffering asthmatic attacks three times a week. C) the patient uses an inhaler at least three times a day. D) the patient uses his inhaler only when the symptoms are bad.
Which of the following are the tiny bare spots adjacent in the glial cells?
a. Myelin b. Oligodendrocytes c. Schwann cells d. Nodes of Ranvier
Which of these electrolytes plays an important role in the generation of nerve impulses?
A. Calcium B. Potassium C. Phosphate D. Magnesium E. Sulfur
An area of the retina that contains only cones, and is the site of sharpest vision, is the?
A) ?outer segment. B) ?inner segment. C) ?optic disc. D) ?fovea.