Nokea
Niaspan is less likely to cause which side effect that is common to niacin?
- A. Gastrointestinal irritation
- B. Cutaneous flushing
- C. Dehydration
- D. Headaches
Correct Answer: B
Rationale: Niaspan's extended-release form reduces flushing compared to immediate-release niacin.
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Protein binding of a drug helps in
- A. Distribution
- B. Prolonging half life
- C. Limiting metabolism
- D. All of the above
Correct Answer: D
Rationale: Protein binding affects distribution (bound drugs stay in plasma), prolongs half-life (less free drug available for clearance), and limits metabolism (bound drug is less accessible to enzymes).
The nurse is talking with a group of nursing students who are doing clinical hours on the unit. A student asks if all intramuscular (IM) drugs are absorbed the same. What factor would the floor nurse tell the students to affect absorption of the IM administration of drugs?
- A. Perfusion of blood to the subcutaneous tissue
- B. Integrity of the mucous membranes
- C. Environmental temperature
- D. Blood flow to the gastrointestinal tract
Correct Answer: C
Rationale: A cold environmental temperature can cause blood vessels to vasoconstrict and decreases absorption or in a hot environment vasodilate and increase absorption of IM medications. Blood flow to the subcutaneous tissues interferes with subcutaneous injection and blood flow to the gastrointestinal (GI) tract causes alterations in absorption for oral medications. The condition of mucous membranes can interfere with sublingual (under the tongue) and buccal (in the cheek) administration of drugs.
A nurse is preparing a client's medications. Which of the following actions should the nurse take in following legal practice guidelines? (Select ONE that does not apply.)
- A. Maintain skill competency.
- B. Determine the dosage.
- C. Monitor for adverse effects.
- D. Safeguard medications.
Correct Answer: B
Rationale: Nurses must maintain competency , monitor effects , and safeguard meds ; determining dosage is the prescriber's role.
A nurse is caring for a client who has increased intracranial pressure and is receiving Mannitol. Which of the following findings should the nurse report to the provider?
- A. Blood glucose 150 mg/dL
- B. Urine output 40 mL/hr
- C. Dyspnea
- D. Bilateral equal pupil size
Correct Answer: C
Rationale: Dyspnea may indicate pulmonary edema, a potential complication of mannitol therapy.
A physician has ordered intramuscular injections of morphine, a narcotic, every 4 hours as needed for pain for a motor vehicle accident victim. The nurse is aware that there is a high abuse potential for this drug, therefore, morphine is categorized as a:
- A. Schedule I drug
- B. Schedule II drug
- C. Schedule III drug
- D. Schedule IV drug
Correct Answer: B
Rationale: Narcotics such as morphine are considered schedule II drugs because of the high abuse potential with severe dependence liability. Schedule I drugs have high abuse potential and no accepted medical use. Schedule III drugs have a lesser abuse potential than schedule II drugs and an accepted medical use. Schedule IV drugs have low abuse potential and limited dependence liability.