Which is a normal age-related change?
Decreased secretion of saliva
Increased acidity of saliva
Decreased gastric emptying
Increased peristalsis
The Correct Answer is C
A. Decreased secretion of saliva
This is not a normal part of aging; if present, it's often due to medications or illness.
B. Increased acidity of saliva
Salivary composition doesn’t change significantly with age; this is not a recognized normal change.
C. Decreased gastric emptying
Aging can slow down GI motility, leading to delayed gastric emptying, which can contribute to fullness or indigestion.
D. Increased peristalsis
GI peristalsis slows with age, increasing the risk of constipation, not increasing motility.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["B","C","D","E","F"]
Explanation
A. Intellectual capability: Intellectual ability generally remains intact with age, unless affected by disease such as dementia.
B. Tolerance for extremes in temperature: Decreases due to impaired thermoregulation and thinner skin.
C. Total body water: Decreases, making older adults more susceptible to dehydration and electrolyte imbalances.
D. Force of pulse: May decrease due to decreased cardiac output and vascular elasticity.
E. Pulmonary gas exchange: Decreases due to changes in alveolar surface area and chest wall compliance.
F. Conduction speed of CNS impulses: Decreases, leading to slower reaction times and reflexes.
Correct Answer is B
Explanation
A. Rapid blood flow through the liver
Blood flow to the liver actually decreases with age, which may impair drug metabolism, not accelerate it.
B. Decreased liver enzyme activity
Liver enzyme activity declines with age, reducing the liver’s ability to metabolize drugs, increasing the risk for toxicity.
C. Fluid accumulation in the portal vein
This is associated with portal hypertension in liver disease, not a normal age-related change.
D. Increased liver size
The liver tends to decrease in size and mass with age, not increase.
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