Which part of the electrocardiogram (EKG) represents the electrical impulse as it travels through the AV node?
a. P wave c. ST segment
b. QRS complex d. T wave
B
The P wave is a positive wave representing atrial depolarization, the PR segment represents the electrical impulse as it moves through the AV node, the T wave represents ventricular repolarization, and the QRS complex represents the electrical impulse as it travels through the AV node.
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The nurse tells the client with acute mania that an effective treatment may be:
1. Electroconvulsive therapy. 2. Fluoxetine (Prozac). 3. Seclusion and restraint. 4. Group therapy.
A female client is admitted with suicidal tendencies. The client is placed in suicide precautions for the first 24 hours of her stay. Ensuring client safety is included in the therapeutic role of:
a. Change agent b. Teacher c. Therapist d. Technician
Which of the following observations of a female client in a sleep lab would indicate the clinicians that she is in REM sleep?
A) Rolling eye movements are observed, and she has moderate muscle activity. B) Her motor movements are suppressed, and muscle tone is flaccid. C) Delta waves are evident on her EEG, and the heart and respiration rates are slowed. D) She has a low level of cerebral activity, and her EEG indicates low voltage and mixed frequencies.
The nurse questions which activity for the client with thrombocytopenia?
a. Application of warm compresses to bruises b. Cleaning teeth with a soft-bristled brush c. Taking acetaminophen (Tylenol) for pain d. Using stool softeners daily for constipa-tion