Nokea
A patient comes to the ER having his quadriceps muscle constantly contracted, you should give him:
- A. Norepinephrine to stimulate the sympathetic nervous system
- B. An antagonist for Norepinephrine
- C. Agonist for acetylcholine
- D. Both B and C
Correct Answer: D
Rationale: Both B and C are correct: a norepinephrine antagonist (e.g., beta-blocker) or acetylcholine agonist (e.g., to relax via parasympathetic action) could relieve muscle contraction.
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Herbs and supplements are regulated by the U.S. Food and Drug Administration.
- A. TRUE
- B. FALSE
Correct Answer: B
Rationale: Herbs and supplements are not regulated as drugs by the FDA; they fall under dietary supplement rules.
What is medication reconciliation?
- A. Comparing the patient's current medication orders to all of the medications actually being taken
- B. The administration of high alert medications that have been ordered on admission to an acute care facility
- C. The completion of an incident report following a variance that resulted in a serious complication
- D. A printout of computerized patient data that identifies the times that all of the ordered medications are to be administered
Correct Answer: A
Rationale: Medication reconciliation is the process of comparing a patient's current medication orders to all of the medications that the patient is actually taking. Administering high alert medications and completing an incident report are not the same as medication reconciliation. A printout of computerized patient data that identifies the times that all of the ordered medications are to be administered is a description of the medication administration record (MAR), not a description of medication reconciliation.
After teaching a group of nursing students about pharmacokinetics, the instructor determines that the teaching was successful when the students identify which of the following as the first phase?
- A. Metabolism
- B. Absorption
- C. Distribution
- D. Excretion
Correct Answer: B
Rationale: Pharmacokinetics refers to the transportation activity of drugs in the body after administration. The first component is absorption. This is followed by distribution, metabolism, and finally excretion.
Which of the following NSAIDs is a selective COX-2 inhibitor?
- A. Indomethacin
- B. Meloxicam
- C. Etoricoxib
- D. Mefenamic acid
Correct Answer: C
Rationale: Etoricoxib is a highly selective COX-2 inhibitor, reducing GI side effects compared to non-selective NSAIDs.
Patients taking warfarin need to be educated about the vitamin K content of foods to avoid therapeutic failure. Foods high in vitamin K that should be limited to no more than one serving per day include:
- A. Spinach
- B. Milk
- C. Romaine lettuce
- D. Cauliflower
Correct Answer: A
Rationale: Spinach is high in vitamin K, which can antagonize warfarin's anticoagulant effect if consumed excessively.