Nokea
Beta blocker which has less first pass metabolism and more excretion through kidney is
- A. Propranolol
- B. Sotalol
- C. Bisprolol
- D. Nadolol
Correct Answer: B
Rationale: Sotalol has minimal first-pass metabolism and is excreted renally.
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A nurse working in radiology administers iodine to a patient who is having a computed tomography (CT) scan. The nurse working on the oncology unit administers chemotherapy to patients who have cancer. At the Public Health Department, a nurse administers a measles-mumps-rubella (MMR) vaccine to a 14-month-old child as a routine immunization. Which branch of pharmacology best describes the actions of all three nurses?
- A. Pharmacoeconomics
- B. Pharmacotherapeutics
- C. Pharmacodynamics
- D. Pharmacokinetics
Correct Answer: B
Rationale: Pharmacology is the study of the biologic effects of chemicals. Nurses are involved with clinical pharmacology or pharmacotherapeutics, which is a branch of pharmacology that deals with the uses of drugs to treat, prevent, and diagnose disease. The radiology nurse is administering a drug to help diagnose a disease. The oncology nurse is administering a drug to help treat a disease. Pharmacoeconomics includes any costs involved in drug therapy. Pharmacodynamics involves how a drug affects the body and pharmacokinetics is how the body acts on the body.
The tricyclic antidepressants should be prescribed cautiously in patients with:
- A. Eczema
- B. Asthma
- C. Diabetes
- D. Heart disease
Correct Answer: D
Rationale: TCAs can cause cardiac arrhythmias, necessitating caution in heart disease.
A nurse is caring for an older adult client in a long-term care facility who has Hypothyroidism and a new prescription for Levothyroxine. Which of the following dosage schedules should the nurse expect for this client?
- A. The client will remain 0.1 mg dose, and the dose will be 0.1 mg of 0.1 mg dose, and the dose will be... (truncated)
Correct Answer: A
Rationale: Older adults typically start with a low dose (e.g., 0.025-0.05 mg) of levothyroxine, titrated slowly; 0.1 mg is plausible with adjustment.
You are caring for a patient who takes several drugs. You know that those patients most likely to have adverse drug reactions are who?
- A. Patients with coronary artery disease
- B. Non-compliant patients
- C. Patients who are on the recommended dose
- D. Very young and very old patients
Correct Answer: D
Rationale: Very young and old patients have immature or declining organ function, increasing adverse reaction risk.
A patient on a Class IV antiarrhythmic is experiencing bradycardia. Which medication is the patient most likely taking?
- A. Amiodarone
- B. Diltiazem
- C. Flecainide
- D. Lidocaine
Correct Answer: B
Rationale: Diltiazem, a Class IV calcium channel blocker, slows AV node conduction, commonly causing bradycardia.