Which wave in the electrocardiogram represents ventricular repolarization?
1. P wave
2. Q wave
3. S wave
4. T wave
4
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Functional regeneration of axons occurs more frequently in the peripheral nervous system (PNS) than in the CNS because of the:
A. Production of nerve growth factor (NGF). B. Effective clearing of debris. C. Formation of bands of Büngner. D. All of the above
Which of the following is it important to consider when administering and monitoring drugs with a narrow therapeutic range?
a. A toxic effect can develop even with properly dosed or small amounts of a drug. b. The prescribed dose should be sufficient to have a therapeutic effect. c. The client may not have enough of a therapeutic effect. d. Client age has no effect on the therapeutic effect.
Which of the following must be present in order to absorb calcium?
a. Vitamin A b. Vitamin D c. None of these d. Vitamin C
Gastric lavage is the process of feeding a patient through a tube inserted through the nose and into the stomach.
a. true b. false