What is the best test to identify the risk of osteoporosis in postmenopausal women?
Skeletal x-ray
Calcium blood level
Bone density scan
CAT scan
The Correct Answer is C
A. Skeletal x-ray: Skeletal x-rays can show bone loss but are not sensitive enough for early detection of osteoporosis.
B. Calcium blood level: Blood calcium levels do not directly indicate bone density.
C. Bone density scan: Bone density scans (DEXA scans) are the gold standard for diagnosing osteoporosis and assessing fracture risk.
D. CAT scan: CAT scans are not typically used for assessing bone density.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Nausea. Disulfiram causes an acute sensitivity to alcohol. When alcohol is consumed, it leads to an accumulation of acetaldehyde, causing unpleasant effects like severe nausea, vomiting, and headache, deterring the individual from drinking.
B. Blackouts. Blackouts are periods of memory loss due to heavy drinking but are not specifically induced by the combination of disulfiram and alcohol.
C. Hypertension. While disulfiram can cause cardiovascular effects, hypertension is not the primary or most severe side effect of consuming alcohol while on disulfiram.
D. Headaches. Headaches are indeed a part of the disulfiram-alcohol reaction, but the primary severe side effect leading to the aversion is nausea.
Correct Answer is C
Explanation
A. Fever: Fever can cause weakness or dizziness, but it is not a sudden cause of falling when getting up.
B. A decrease in venous return can contribute to orthostatic hypotension but is not a direct cause on its own.
C. Orthostatic hypotension is a common cause of sudden falls in older adults when they change positions, leading to dizziness or fainting.
D. Dehydration can lead to orthostatic hypotension but is not as direct a cause of sudden falls when getting up as orthostatic hypotension itself.
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