Nokea
Which of the following is a luminal amebecide drug?
- A. Metronidazole
- B. Emtine
- C. Doxycycline
- D. Dicloxinide
Correct Answer: D
Rationale: Diloxanide (likely misspelled as Dicloxinide) is a luminal amebicide used to eradicate cysts of Entamoeba histolytica in the intestinal lumen, unlike metronidazole, which targets systemic infection.
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A nurse's learning goals for the year include reviewing the most up-to-date information about emergency preparedness related to bioterrorism agents. What should the nurse do?
- A. Read textbooks devoted to the topic
- B. Review best practices around triage and emergency care
- C. Read journal articles about bioterrorism agents
- D. Visit the Centers for Disease Control and Prevention (CDC) Web site
Correct Answer: D
Rationale: The CDC website provides the most current, authoritative bioterrorism preparedness information.
The nurse is explaining how medications work to a group of peers and explains that disruption of a single step in any enzyme system disrupts what?
- A. Cell life
- B. Cell membrane
- C. Cell receptor sites
- D. Cell function
Correct Answer: D
Rationale: If a single step in one of the many enzyme systems is blocked, normal cell function is disrupted. Cell life and cell membrane may be impacted by disruption of some enzymes but not all enzymes. Receptor sites would not be disrupted by disruption in a single step in the enzyme system.
Antacids such as calcium carbonate (Tums) can reduce the absorption of which of the following nutrients?
- A. Protein
- B. Calcium
- C. Iron
- D. Vitamin K
Correct Answer: C
Rationale: Calcium carbonate binds to iron, forming insoluble complexes that reduce iron absorption.
First dose phenomenon is a characteristic side effect on initiation of antihypertensive therapy with
- A. Minoxidil
- B. Clonidine
- C. Metroprolol
- D. Prazosin
Correct Answer: B
Rationale: Clonidine can cause sedation or hypotension after the first dose.
Many patients self-medicate with antacids. Which patients should be counseled to not take calcium carbonate antacids without discussing it with their provider or a pharmacist first?
- A. Patients with kidney stones
- B. Pregnant patients
- C. Patients with heartburn
- D. Postmenopausal women
Correct Answer: A
Rationale: Calcium carbonate can worsen kidney stones; it's generally safe in pregnancy or heartburn without special caution.