A nurse is assessing a patient with activity intolerance for possible orthostatic hypotension. Which finding will help confirm orthostatic hypotension?

Blood pressure sitting 140/60; blood pressure 130/60 standing

Blood pressure sitting 130/60; blood pressure 110/60 standing

Blood pressure sitting 126/64; blood pressure 120/58 standing

Blood pressure sitting 130/64; blood pressure 140/70 standing

Answer and Explanation

The Correct Answer is B

A: A drop in systolic blood pressure of 10 mm Hg (from 140 to 130) does not meet the criteria for orthostatic hypotension, which requires a drop of at least 20 mm Hg in systolic pressure or 10 mm Hg in diastolic pressure within three minutes of standing.

B: This finding shows a drop in systolic blood pressure from 130 to 110 mm Hg, which is a 20 mm Hg decrease. This meets the criteria for orthostatic hypotension, indicating that the patient may have this condition.

C: A drop in systolic blood pressure of 6 mm Hg (from 126 to 120) does not meet the criteria for orthostatic hypotension. The decrease is not significant enough to confirm the condition.

D: An increase in blood pressure (from 130/64 to 140/70) does not indicate orthostatic hypotension. This finding suggests that the patient’s blood pressure increases upon standing, which is not consistent with orthostatic hypotension.

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Correct Answer is A

Explanation

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.

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.

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A nurse is assessing a patient with activity intolerance for possible orthostatic hypotension. Which finding will help confirm orthostatic hypotension?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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

Correct Answer is A

Explanation

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

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