After teaching a group of students about changes in body weight due to aging, the instructor determines that the students have understood the teaching when they state which of the following?
Thinning of the vertebral discs leads to weight loss.
An increase in lean body mass leads to weight gain.
Spinal kyphosis contributes to the increase in body weight.
Loss of muscle tissue contributes to the decrease in weight.
The Correct Answer is D
A. Thinning of the vertebral discs leads to a decrease in height, not weight.
B. Lean body mass actually decreases with aging, contributing to weight loss rather than gain.
C. Spinal kyphosis affects posture but does not significantly contribute to changes in body weight.
D. Loss of muscle tissue (sarcopenia) is correct because aging leads to a decline in muscle mass, which contributes to weight loss. Additionally, a slower metabolism and reduced physical activity further affect body composition.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. A 3-year-old with fever, rash, and sore throat should be evaluated promptly, but these symptoms do not necessarily indicate an immediate life-threatening emergency.
B. A 45-year-old man with chest pain and diaphoresis for 1 hour is the priority because these are classic symptoms of acute coronary syndrome (ACS) or myocardial infarction (MI). Immediate emergency assessment and intervention are required.
C. A 14-year-old girl crying about a possible pregnancy needs emotional support and counseling but does not require immediate emergency intervention.
D. A 20-year-old man with a 3-inch shallow laceration on his leg needs wound care, but his condition is not life-threatening and does not require emergency assessment.
Correct Answer is C
Explanation
A. Vesicular breath sounds are soft, low-pitched sounds heard over most of the lung fields, characterized by a longer inspiratory phase and shorter expiratory phase.
B. Adventitious breath sounds refer to abnormal breath sounds such as crackles, wheezes, and rhonchi, but the described sound is a normal breath sound in the tracheal region.
C. Bronchial breath sounds are correct. These are high-pitched, harsh sounds with a short inspiratory phase and a long expiratory phase, normally heard over the trachea.
D. Bronchovesicular breath sounds are moderate in pitch and intensity, heard over the major bronchi rather than the trachea. They have equal inspiration and expiration durations rather than a longer expiratory phase.
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