A patient develops alopecia related to doxorubicin (Adriamycin) therapy. Which statement explains this side effect?
a. Antibiotics stop all hair growth.
b. Bone marrow suppression prevents nourishment of hair follicles.
c. Uric acid collects in hair cells.
d. Antineoplastics such as Adriamycin attack all rapidly dividing cells.
ANS: D
Chemotherapy affects the cell cycle in different ways to stop division and growth, so rapidly dividing cells are most affected. Hair is rapidly dividing. Antibiotics do not stop hair growth, affect nourishment of hair follicles, or cause uric acid to collect in hair.
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A nurse is reviewing the effects of adrenergic drugs on the body. The nurse demonstrates understanding of this group of drugs by identifying that which of the following would occur if the drug stimulates beta-1 receptors?
A) Vasoconstriction of peripheral blood vessels B) Decreased gastrointestinal tract secretions C) Increased force of myocardial contractions D) Bronchodilation
There are several issues that challenge prevention partnerships in rural communities. What is one threat to the health of the public that affects rural populations disproportionately?
A) Substance abuse B) Tooth decay C) Adult obesity D) Depression
A prolonged acceleration lasts greater than ___ minutes and less than ___ minutes.
A. 2; 10 B. 2; 20 C. 10; 20 D. 10; 20
Use the low-dose range of 0.5-2 mcg/kg/minute to determine the appropriate dose range of dopamine that would result in vasodilation and increased renal blood flow for a patient who weighs 220 pounds.
A. 20-25 mg/hr B. 10-15 mg/hr C. 3-12 mg/hr D. None of these are correct.