NCLEX-PN
Health Promotion and Maintenance NCLEX Questions Questions
Extract:
Question 1 of 5
The tendency of a drug to combine with its receptor is called:
Correct Answer: D
Rationale: Affinity is a close relationship, mutual attraction, or similarity. The tendency of a drug to combine with its receptor is called affinity. Affinity is a measure of the strength of the drug-receptor bonding. Potency and efficacy describe the capability of a drug to produce the desired effect. Kinetics is the branch of science that deals with the effects of forces on the motions of material bodies or with changes in a physical or chemical system.
Question 2 of 5
The intravenous route is potentially the most dangerous route of drug administration because:
Correct Answer: C
Rationale: The bioavailability of the injected medication is 100% and might lead to toxicity. An IV infiltration can cause serious problems with tissue necrosis, but this is not life threatening. Expensive and time consuming do not equate with dangerous. Not all clients experience more side effects with IV administration.
Question 3 of 5
A nurse is administering an antibiotic to a 4 year old girl, who does not have an identification bracelet. What action should the nurse take?
Correct Answer: B
Rationale: Timely delivery of medication can be given if the mother provides the child's name. Do not rely on children to identify their name correctly.
Question 4 of 5
The physician wants to know if a client is tolerating his total parenteral nutrition. Which of the following laboratory tests is likely to be ordered?
Correct Answer: B
Rationale: The liver is the primary organ for digestion. Liver function tests measure the blood level of enzymes produced by the liver to assess tolerance of total parenteral nutrition.
Question 5 of 5
A month after receiving a blood transfusion, an immunocompromised client develops fever, liver abnormalities, a rash, and diarrhea. The nurse should suspect this client has:
Correct Answer: B
Rationale: GVHD occurs when white blood cells in donor blood attack the tissues of an immunocompromised recipient.