Drugs that are chemically related to caffeine and dilate bronchioles in the lungs are known as:
A. vasodilators
B. xanthine derivatives
C. adrenergic agonists
D. mucolytics
b
Rationale: The xanthine derivatives are a group of drugs chemically related to caffeine that dilate bronchioles in the lungs. They are most often used to treat asthma.
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________ The Q-track method is used when a medication is irritating to the subcutaneous tissues or the medication may discolor the skin
Indicate whether the statement is true or false
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The ________ is commonly called the "master gland."
A) thyroid B) adrenal C) pituitary D) pineal
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