The nurse closely monitors an older adult for signs of medication toxicity. Which physiological change is the reason for the nurse’s action?
Renal dysfunction
Pancreatic impairment
Increased gastric motility
Increased blood volume
The Correct Answer is A
A: Renal dysfunction is common in older adults and can lead to decreased clearance of medications from the body, increasing the risk of toxicity. Monitoring for signs of toxicity is crucial in this population.
B: Pancreatic impairment can affect digestion and insulin production but is not the primary reason for monitoring medication toxicity in older adults.
C: Increased gastric motility is not typically associated with aging. In fact, decreased gastric motility is more common and can affect drug absorption.
D: Increased blood volume is not a common physiological change in older adults. Decreased renal function and changes in body composition are more relevant factors affecting medication metabolism and excretion.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A: Aspirin is given as an antiplatelet aggregate to prevent blood clots in clients with a history of myocardial infarction. It inhibits platelet aggregation, reducing the risk of further cardiac events.
B: While aspirin has analgesic properties, this is not the primary reason for its use in clients with a history of myocardial infarction.
C: Aspirin also has antipyretic properties, but this is not the reason for its use in preventing cardiac events.
D: Aspirin’s anti-inflammatory properties are beneficial, but the primary reason for its use in myocardial infarction is its antiplatelet effect.
Correct Answer is C
Explanation
A: Platelets are involved in blood clotting and do not transport oxygen.
B: Neutrophils are a type of white blood cell involved in the immune response and do not transport oxygen.
C: Hemoglobin is the protein in red blood cells that binds to oxygen and transports it from the lungs to the tissues throughout the body. It is essential for oxygen delivery to cells.
D: Lymphocytes are a type of white blood cell involved in the immune response and do not transport oxygen.
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