Which of the following actions should a medical assistant take to determine the diastolic reading when taking an adult patient's blood pressure?
Deflate the cuff slowly until the last sound is heard.
Listen for the first sound through the stethoscope.
Document the reading when the gauge needle jumps.
Inflate the cuff to at least 180 mm Hg, deflate the cuff slowly, and listen for the first sound.
The Correct Answer is A
A. Deflate the cuff slowly until the last sound is heard. The diastolic reading is determined when the last sound (Korotkoff sound) is heard as the cuff is deflated.
B. Listen for the first sound through the stethoscope: The first sound corresponds to the systolic reading, not the diastolic.
C. Document the reading when the gauge needle jumps: The gauge needle jump is not a reliable indicator of blood pressure readings.
D. Inflate the cuff to at least 180 mm Hg, deflate the cuff slowly, and listen for the first sound: Inflating to 180 mm Hg is unnecessary and might cause discomfort; also, the first sound is the systolic reading, not the diastolic
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Prone: The prone position (lying face down) is not suitable for venipuncture or for patients at risk of syncope.
B. Trendelenburg: The Trendelenburg position (lying flat with the legs elevated) can help prevent syncope by increasing venous return to the heart and improving blood flow to the brain.
C. Supine: While the supine position (lying flat on the back) is appropriate for venipuncture, the Trendelenburg position is preferred for patients with a history of syncope.
D. Fowler's: The Fowler's position (sitting or semi-sitting) is not suitable for preventing syncope during blood draws.
Correct Answer is C
Explanation
A. Apply ice to the wound: Ice can help with swelling but is not the first-line treatment for controlling bleeding.
B. Lower the affected leg: Elevating the leg is usually recommended, not lowering it, to help control bleeding.
C. Press down firmly over a pressure point: Applying firm pressure to a pressure point can help control hemorrhage by reducing blood flow to the area.
D. Cauterize the wound from the edges to center: Cauterization is not typically a first response in an emergency setting; it is usually performed in a controlled medical environment.
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