A nurse is reviewing the electrocardiogram (ECG) results. Which portion of the conduction system does the nurse consider when evaluating the P wave?

SA node

AV node

Bundle of His

Purkinje fibers

Answer and Explanation

The Correct Answer is A

A. The P wave represents atrial depolarization, which is initiated by the SA node, the heart's natural pacemaker.
B. The AV node is responsible for conducting impulses from the atria to the ventricles but does not initiate the P wave.
C. The Bundle of His transmits the electrical impulses to the ventricles but is not directly associated with the P wave.
D. Purkinje fibers are involved in ventricular depolarization, which corresponds to the QRS complex, not the P wave.

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Correct Answer is B

Explanation

A. Increasing activity level may be unrealistic for a patient on strict bed rest due to a pelvic fracture.
B. Repositioning every 2 hours is a realistic and achievable goal for a patient on bed rest to prevent complications such as pressure ulcers and maintain circulation.
C. Using a walker for ambulation may not be feasible immediately after a pelvic fracture.
D. Transferring with a sliding board may not be safe or appropriate in the early stages post-injury, especially if bed rest is required.

A. Remove eyewear/face shield and goggles. B. Perform hand hygiene, leave room, and close door. C. Remove gloves. D. Untie gown, allow gown to fall from shoulders, and do not touch outside of gown; dispose of properly. E. Remove mask by strings; do not touch outside of mask. F. Dispose of all contaminated supplies and equipment in designated receptacles.

Correct Answer is A,D,E,C,F,B

Explanation

A. The eyewear or face shield is typically removed first to prevent contamination of the face.

D. After eyewear is removed, the gown should be untied and removed without touching the outside to avoid contamination.

E. The mask is removed next, ensuring to only touch the strings to prevent exposure to contaminants.

C. Gloves are then removed as they are considered the most contaminated.

F. Contaminated supplies and equipment should be disposed of properly to maintain a safe environment.

B. Finally, hand hygiene is performed before leaving the room and closing the door.

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A nurse is reviewing the electrocardiogram (ECG) results. Which portion of the conduction system does the nurse consider when evaluating the P wave?

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Naxlex Comprehensive Predictor Exams

A nurse is developing a care plan for a patient prescribed bed rest as a result of a pelvic fracture. Which goal statement is realistic for the nurse to assign to this patient?

Correct Answer is B

Explanation

The nurse is caring for a patient who needs a protective environment. The nurse has provided the care needed and is now leaving the room. In which order will the nurse remove the personal protective equipment, beginning with the first step?

Correct Answer is A,D,E,C,F,B

Explanation

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