The nurse is obtaining a systolic blood pressure by palpation. While inflating the cuff, the radial pulse is no longer palpable at 90 mm Hg. Which action should the nurse take?
Release the manometer valve immediately.
Document the absence of the radial pulse.
Inflate the blood pressure cuff to 120 mm Hg.
Record a palpable systolic pressure of 90 mm Hg.
The Correct Answer is C
Choice A rationale
Releasing the manometer valve immediately is not appropriate as it does not allow for an accurate measurement of systolic blood pressure.
Choice B rationale
Documenting the absence of the radial pulse is not the correct action. The nurse needs to continue the procedure to obtain an accurate systolic blood pressure reading.
Choice C rationale
Inflating the blood pressure cuff to 120 mm Hg is the correct action. The nurse should inflate the cuff 30 mm Hg above the point where the radial pulse is no longer palpable to ensure an accurate measurement.
Choice D rationale
Recording a palpable systolic pressure of 90 mm Hg is incorrect. The nurse needs to inflate the cuff further to obtain an accurate systolic blood pressure reading.
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Correct Answer is A
Explanation
Choice A rationale
Smoking cessation is the most important lifestyle modification for preventing and managing cardiac disease. Smoking is a major modifiable risk factor that can cause atherosclerosis, hypertension, arrhythmias, thrombosis, and myocardial infarction. Quitting smoking has a more direct effect on improving the function and structure of the blood vessels and heart, significantly reducing the risk of cardiovascular events and mortality.
Choice B rationale
A low-fat diet is a useful lifestyle modification for preventing and managing cardiac disease, but it is not the most important one. While it helps in lowering cholesterol levels and reducing inflammation, smoking cessation has a stronger influence on overall cardiovascular health.
Choice C rationale
Stress reduction is a helpful lifestyle modification for preventing and managing cardiac disease, but it is not the most important one. Although managing stress can improve heart health, smoking cessation has a more immediate and significant impact on reducing cardiovascular risks.
Choice D rationale
Regular exercise is beneficial for preventing and managing cardiac disease, but it is not the most important lifestyle modification. Exercise helps in maintaining a healthy weight, lowering blood pressure, and improving overall cardiovascular health, but smoking cessation has a greater impact on reducing the risk of cardiovascular events.
Correct Answer is D
Explanation
Choice A rationale
Wearing gloves to dispose of the needle and syringe is a good practice to prevent needlestick injuries and contamination. However, it does not directly indicate an understanding of standard precautions, which emphasize hand hygiene as a primary measure.
Choice B rationale
Removing the needle before discarding used syringes is not recommended as it increases the risk of needlestick injuries. Standard precautions emphasize the safe disposal of sharps in puncture-resistant containers without manipulating the needle.
Choice C rationale
Donning a face mask before administering medication is not a standard precaution for handling syringes and needles. Standard precautions focus more on hand hygiene and the use of gloves when there is a risk of exposure to blood or body fluids.
Choice D rationale
Washing hands before handling the needle and syringe is a fundamental aspect of standard precautions. Hand hygiene is the most effective way to prevent the transmission of infections and is a clear indication of understanding standard precautions.