Nokea
A nurse is teaching a female client who has tobacco use disorder about Nicotine replacement therapy. Which of the following statements by the client indicates understanding of the teaching?
- A. I should avoid eating right before I chew a piece of nicotine gum.
- B. I will need to stop using the nicotine gum after 1 year.
- C. I know that nicotine gum is a safe alternative to resulting if I become pregnant.
- D. I must chew the nicotine gum quickly for about 15 minutes.
Correct Answer: A
Rationale: Avoiding food before chewing enhances nicotine absorption; gum isn't safe in pregnancy, and chewing is slow.
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Beta blockers have favorable effects on survival and disease progression in heart failure. Treatment should be initiated when the:
- A. Symptoms are severe
- B. Patient has not responded to other therapies
- C. Patient has concurrent hypertension
- D. Left ventricular dysfunction is diagnosed
Correct Answer: D
Rationale: Beta blockers are initiated upon diagnosis of left ventricular dysfunction to improve outcomes.
Drug studies generally base the recommended adult dose of a drug needed to reach a critical concentration on what measure?
- A. A 60-year-old man
- B. An average-sized woman
- C. A 150-pound adult male
- D. An obese adult
Correct Answer: C
Rationale: Drug dosages are often standardized based on a 150-pound adult male as a common reference in pharmacological studies.
Corticosteroids are acting on:
- A. Ion channels
- B. Thirosinkinase
- C. G-proteins
- D. genome and cases gene transcription
Correct Answer: D
Rationale: Corticosteroids act on the genome, binding to receptors that regulate gene transcription.
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.
Which of the following is not used for hyperthyroidism:
- A. Triiodthironine
- B. Mercazolil
- C. Diiodthironine
- D. Potassium iodide
Correct Answer: A
Rationale: Triiodothyronine (T3) is a thyroid hormone, not a treatment for hyperthyroidism, unlike the others.