Page 219 - Critical Care Nursing Demystified

204 CRITICAL CARE NURSING DeMYSTIFIED

REVIEW QUESTIONS

1. A patient is suspected of having a decreased cardiac output due to dysrhyth-
mias. Which of the following assessments would be included in a decreased
cardiac output? Select all that apply.
A. Elevated jugular venous distention
B. Polyuria
C. Full and bounding pulses
D. Diaphoresis
E. Constricted pupils
F. Crackles and gurgles
G. Muffled heart sounds

2. A nurse is analyzing a patient’s rhythm and counts a heart rate of 46. There are
no “P” waves at all in this rhythm and the other components are normal. This
rhythm is most likely
A. A normal sinus rhythm
B. A junctional rhythm
C. Atrial fibrillation
D. A ventricular rhythm Downloaded by [ Faculty of Nursing, Chiangmai University 5.62.158.117] at [07/18/16]. Copyright © McGraw-Hill Global Education Holdings, LLC. Not to be redistributed or modified in any way without permission.

3. Good conduction of electricity from the patient’s heart to the monitor requires
that the critical care nurse
A. Periodically change electrode pads for good conduct.
B. Place electrodes over the ribs as they are excellent conductors.
C. Place electrodes with contacts on their anterior and posterior surfaces.
D. Place electrodes further apart if they pick up respiratory movement.

4. A nurse is describing one of the waveforms to a novice critical care nurse. S/he
describes this wave as being upright rounded and symmetrical and occurring
after the QRS. The nurse is describing the
A. P wave
B. QRS
C. ST segment
D. T wave

5. A nurse is measuring a waveform of the ECG strip and determines it is normally
around 0.06 to 0.1. The waveform s/he is measuring is the
A. P wave
B. PRI
C. QRS
D. QT interval