Which of these statements best describes the concept of half-life?
It is the time it takes for half of the drug in the body to reach the receptors.
It is the time it takes for the amount of drug in the body to be decreased by half. C) It is time it takes for half of the drug in the body to be distributed.
It is the time it takes for the shelf-life of the drug to be decreased by half.
The Correct Answer is B
a) This statement inaccurately describes the concept of half-life. Half-life refers to the time it takes for the drug concentration in the body to decrease by half, not the time it takes for the drug to reach receptors.
c) This statement inaccurately describes the concept of half-life. Half-life is not related to the distribution of the drug in the body.
d) This statement inaccurately describes the concept of half-life. Half-life is not related to the shelf-life of the drug.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
a) Spironolactone is a potassium-sparing diuretic, and the use of salt substitutes, which often contain potassium chloride, can lead to increased potassium levels, posing a risk of hyperkalemia.
b) Continuing medication even when feeling well is generally advised, especially for chronic conditions. Discontinuing medication without medical guidance is not recommended. c) While a healthy diet is important, this option does not specifically address the unique considerations related to spironolactone use.
d) Checking the pulse is not directly related to self-care in terms of the medication's side effects or interactions.
Correct Answer is ["A","C","D"]
Explanation
a. This statement warrants further education because enteric-coated aspirin is specifically designed to be absorbed in the small intestine and should not be chewed. Chewing the enteric coated aspirin can interfere with its protective coating and may lead to stomach irritation.
b. This statement is correct. Taking the aspirin with food can help minimize stomach irritation.
c. This statement warrants further education. Aspirin, even in low doses, should not be given to young children without consulting a healthcare provider due to the risk of Reye's syndrome.
d. This statement warrants further education. Ringing in the ears (tinnitus) is not a normal side effect of aspirin, and persistent symptoms should be reported to the healthcare provider.
e. This statement is correct. Black, tarry stools can indicate gastrointestinal bleeding, and the healthcare provider should be notified promptly.
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