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?

Document the absence of the radial pulse.

Release the manometer valve immediately.

Inflate blood pressure cuff to 120 mm Hg.

Record a palpable systolic pressure of 90 mm Hg.

Answer and Explanation

The Correct Answer is C

A. Document the absence of the radial pulse:

While it's important to document findings accurately, it's also crucial to ensure that blood pressure measurements are obtained correctly. If the radial pulse becomes unpalpable before reaching the expected systolic pressure, further action is needed to obtain an accurate measurement.

B. Release the manometer valve immediately:

Releasing the manometer valve immediately would lead to deflating the cuff and potentially missing the opportunity to obtain an accurate blood pressure measurement. This action is not appropriate at this stage.

C. Inflate blood pressure cuff to 120 mm Hg:

When the radial pulse becomes unpalpable during cuff inflation, it indicates that the cuff pressure is above the systolic pressure. To accurately determine the systolic pressure, the cuff should be inflated to a higher pressure (usually 20-30 mm Hg above the point where the radial pulse disappears) and then slowly deflated while palpating for the return of the radial pulse.

D. Record a palpable systolic pressure of 90 mm Hg:

If the radial pulse is no longer palpable at 90 mm Hg, this suggests that the true systolic pressure is higher than 90 mm Hg. Recording a palpable systolic pressure of 90 mm Hg without further action would likely underestimate the true systolic pressure.

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Correct Answer is C

Explanation

A. Turn the head to the right and left:

Turning the head involves rotation of the cervical spine, which primarily consists of pivot joints rather than hinge joints. This action is more relevant to the movement of pivot joints.

B. Extend the arm at the side and rotate in circles:

Extending the arm and rotating it in circles primarily involves the movement of ball-and-socket joints, such as the shoulder joint, rather than hinge joints.

C. Bend the arm by flexing the ulna to the humerus:

This action involves bending the arm at the elbow joint by flexing the ulna (forearm bone) towards the humerus (upper arm bone). The elbow joint is a hinge joint, allowing primarily flexion and extension movements.

D. Tilt the pelvis forwards and backwards:

Tilting the pelvis forwards and backwards primarily involves the movement of ball-and-socket joints in the hip area, rather than hinge joints.

A. Progresses to foot touchdown and weight bearing of affected leg. B. Practices bicep and triceps isometric exercises. C. Inspects crutches to ensure rubber tips are intact. D. Bears body weight on the palms of hands during the crutch gait.

Correct Answer is A

Explanation

A. Progresses to foot touchdown and weight bearing of affected leg:

This choice indicates that the client understands proper crutch walking because it involves the correct progression of weight-bearing on the affected leg while using the crutches for support. In the three-point gait crutch walking technique, the client progresses by first touching down the foot of the affected leg and then transferring weight onto that leg while stepping forward with the crutches. This behavior ensures proper balance and support during ambulation.

B. Practices bicep and triceps isometric exercises:

This choice does not directly indicate understanding of proper crutch walking. While strengthening the biceps and triceps muscles can be beneficial for overall strength and endurance, it is not a specific behavior related to proper crutch walking technique.

C. Inspects crutches to ensure rubber tips are intact:

While it is important to inspect crutches regularly to ensure they are in good condition, this behavior alone does not necessarily indicate an understanding of proper crutch walking technique. It is more related to equipment maintenance and safety rather than the actual execution of crutch walking.

D. Bears body weight on the palms of hands during the crutch gait:

This choice suggests an incorrect technique. Proper crutch walking technique involves bearing weight on the hands through the hand grips of the crutches rather than the palms. Placing excessive weight on the palms can lead to discomfort, injury, and improper weight distribution, which could hinder effective ambulation.

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