Which of the following is the first positive deflection seen on the ECG after the P wave?
a. Q wave
b. R wave
c. S wave
d. T wave
B
If the QRS complex consists entirely of a positive waveform, it is called an R wave. If the complex consists entirely of a negative waveform, it is called a QS wave.
You might also like to view...
Two RNs are in disagreement over the team assignment for the shift that is about to begin. You are the charge nurse. What is your best first step to collaboratively resolving the conflict?
a. Determine the shared goal. b. Open a respectful dialogue to bring forth each point of view. c. Design a plan to meet the shared goal. d. Determine the roles of those involved in the plan.
Assessment of the muscle strength of older adults cannot be compared with that of younger adults because
a. stroke is more common in older adults. b. nutritional status is better in younger adults. c. young people exercise more than older adults. d. aging leads to a decrease in muscle bulk and strength.
Which of the following medications have been shown to be less effective if administered with enteral feedings?
1. Atorvastatin 2. Ciprofloxacin 3. Digoxin 4. Diazepam
The nurse is reviewing the principles of systolic and diastolic blood pressure with a group of nursing students. What are the best responses by the student nurses about what determines the reading as the ventricles contract and rest?
1 . Pressure the blood exerts on the walls of the arteries 2 . Rate and force of heartbeat 3 . Blood vessel condition 4 . Blood volume A) 1, 2, 3 B) 1, 2, 4 C) 1, 3, 4 D) 2, 3, 4