The nurse clarifies that the master pacemaker of the heart is the:
a. left ventricle.
b. atrioventricular (AV) node.
c. sinoatrial (SA) node.
d. bundle of His.
ANS: C
The SA node is the master pacemaker of the heart.
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Convert 2.5 feet per hour to an equivalent rate in inches per minute
1. 12.5 inches per minute 2. 0.5 inches per minute 3. 0.0035 inches per minute 4. 1800 inches per minute
An example of indirect contact with a pathogen is
A) person-to-person contact. B) hand contact with a contaminated object. C) contact with an insect that transmits a disease D) body fluids or sexual contact
The LPN is administering lorazepam (Ativan), which has abuse potential that may lead to limited physical or psychologic dependence. The LPN recognizes that this drug is classified as belonging to which of the following U.S. Drug Enforcement Administration schedules?
A. II B. III C. IV D. V
The nurse is making a home visit to a Korean family whose daughter gave birth 6 weeks earlier. She finds the daughter in bed with a severe headache
The daughter's father is holding her hand and is pressing different parts of the hand and lower arm. The mother explains that the father is trying to cure the headache by using pressure points. The nurse's best response would be to a. Tell the father to stop and give the daughter Tylenol. b. Ask the mother and/or father to explain the procedure. c. Explain to the father that what he is doing will not work. d. Let the father finish and then give the daughter Tylenol.