ATI RN
ATI Proctored Pharmacology Test
1. Which of the following drugs has a therapeutic effect that increases cardiac output and slows heart rate?
- A. Heparin
- B. Alprazolam
- C. Digoxin
- D. Levothyroxine
Correct answer: C
Rationale: Digoxin is the correct answer. It is a medication known for its positive inotropic effects, which increase cardiac output, and negative chronotropic effects, which slow the heart rate. These effects are achieved by inhibiting the sodium-potassium ATPase pump in myocardial cells. Therefore, Digoxin is commonly prescribed to manage conditions like heart failure and atrial fibrillation, where enhancing cardiac output and reducing heart rate are beneficial. Choices A, B, and D are incorrect because Heparin is an anticoagulant, Alprazolam is a benzodiazepine used for anxiety disorders, and Levothyroxine is a thyroid hormone replacement drug, none of which have the specified therapeutic effects on cardiac function.
2. A healthcare professional is preparing to administer clindamycin 200 mg by intermittent IV bolus. The amount available is clindamycin injection 200 mg in 100 mL 0.9% sodium chloride (0.9% NaCl) to infuse over 30 min. How many mL/hr should the IV pump be set to deliver?
- A. 200 mL/hr
- B. 150 mL/hr
- C. 100 mL/hr
- D. 250 mL/hr
Correct answer: A
Rationale: To calculate the flow rate in mL/hr: (Volume in mL / Time in hours) = Flow rate in mL/hr. In this case, (100 mL / 0.5 hr) = 200 mL/hr. Therefore, the IV pump should be set to deliver 200 mL/hr to administer clindamycin 200 mg over 30 minutes. Choice A is correct because it provides the accurate flow rate needed for the administration of the medication. Choices B, C, and D are incorrect as they do not calculate the flow rate correctly based on the volume and time specified in the question.
3. Which of the following conditions is not treated with Dexamethasone?
- A. Inflammation
- B. Asthma
- C. Addison’s disease
- D. Wilson’s disease
Correct answer: D
Rationale: Dexamethasone is not used to treat Wilson’s disease. It is a corticosteroid primarily used for conditions like inflammation, asthma, and Addison’s disease. Wilson’s disease is a genetic disorder involving copper accumulation and is treated with medications like chelating agents or zinc salts, not Dexamethasone.
4. A healthcare provider is preparing to administer an Opioid agonist to a client who has acute pain. Which of the following complications should the provider monitor?
- A. Urinary retention
- B. Tachypnea
- C. Hypertension
- D. Irritating cough
Correct answer: A
Rationale: The correct answer is urinary retention. Opioid agonists like morphine can suppress the awareness of bladder fullness, leading to urinary retention. This complication can result in significant discomfort and potential urinary tract issues if not promptly addressed. Tachypnea (increased respiratory rate) is a common side effect of opioids but is not a specific complication related to urinary retention. Hypertension is not typically associated with opioid agonists and is more commonly seen with opioid antagonists. An irritating cough is not a known complication of opioid agonists and is not directly related to the effect opioids have on the urinary system.
5. How is lithium typically administered?
- A. Intravenously
- B. Intramuscularly
- C. Orally
- D. Sublingually
Correct answer: C
Rationale: Lithium is typically administered orally to ensure proper absorption and distribution in the body. By taking lithium orally, it allows the medication to be absorbed through the gastrointestinal tract and distributed effectively. Intravenous and intramuscular routes are not commonly used for lithium administration as they can lead to rapid, unpredictable absorption and increase the risk of toxicity. Sublingual administration is also not the typical route for lithium, as it is usually taken orally for consistent and controlled absorption.
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