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

Answer and Explanation

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.

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Correct Answer is ["2"]

Explanation

Step 1: Determine the dosage required. 650 mg

Step 2: Determine the dosage per tablet. 325 mg per tablet

Step 3: Calculate the number of tablets needed. 650 mg ÷ 325 mg per tablet = 2 tablets

The nurse should administer 2 tablets.

A. Dyspnea B. Increased blood pressure C. Weak pulse D. Decreased heart rate

Correct Answer is C

Explanation

A: Dyspnea, or difficulty breathing, can occur in various conditions but is not a primary manifestation of hypovolemia. Hypovolemia primarily affects the cardiovascular system due to reduced blood volume.

B: Increased blood pressure is not a typical manifestation of hypovolemia. In fact, hypovolemia usually leads to decreased blood pressure due to the reduced volume of circulating blood.

C: A weak pulse is a common manifestation of hypovolemia. The reduced blood volume leads to decreased cardiac output, resulting in a weak and thready pulse.

D: Decreased heart rate is not typical in hypovolemia. The body usually compensates for low blood volume by increasing the heart rate (tachycardia) to maintain adequate circulation.

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The nurse closely monitors an older adult for signs of medication toxicity. Which physiological change is the reason for the nurse’s action?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is preparing to administer aspirin 650 mg PO every 12 hours. The amount available is aspirin 325 mg tablets. How many tablets should the nurse administer? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

Correct Answer is ["2"]

Explanation

A nurse is caring for a client who sustained blood loss. Which is a manifestation of hypovolemia?

Correct Answer is C

Explanation

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