ATI RN
ATI Pharmacology Proctored Exam 2019
1. When administering subcutaneous enoxaparin 40 mg using a prefilled syringe of Enoxaparin 40 mg/0.4 mL to an adult client following hip arthroplasty, what action should the nurse plan to take?
- A. Expel any air bubbles from the prefilled syringe before injecting.
- B. Insert the needle completely into the client's tissue.
- C. Administer the injection in the client's thigh.
- D. Aspirate carefully after inserting the needle into the client's skin.
Correct answer: B
Rationale: When administering enoxaparin via a prefilled syringe for deep subcutaneous injection, the nurse should insert the needle completely into the client's tissue. This action ensures proper delivery of the medication into the subcutaneous layer, promoting optimal therapeutic effects. Choice A is incorrect because there is no need to expel air bubbles from a prefilled syringe. Choice C is incorrect as enoxaparin is typically administered in the abdomen for subcutaneous injections. Choice D is incorrect as aspiration is not recommended for subcutaneous injections to avoid trauma or damage to tissues.
2. A client is prescribed Atorvastatin. Which of the following laboratory values should be monitored to assess for potential adverse effects?
- A. Blood glucose
- B. Creatine kinase
- C. Hemoglobin
- D. Sodium
Correct answer: B
Rationale: Creatine kinase should be monitored in clients taking Atorvastatin as it can indicate muscle damage, a serious adverse effect of statins. Elevated creatine kinase levels may suggest myopathy or rhabdomyolysis, which are potential complications of statin therapy.
3. A client has a new prescription for Verapamil to control hypertension. Which of the following instructions should the nurse include?
- A. Increase the amount of dietary fiber in the diet.
- B. Drink grapefruit juice daily to increase vitamin C intake.
- C. Decrease the amount of calcium in the diet.
- D. Withhold food for 1 hr after taking the medication.
Correct answer: A
Rationale: Increasing dietary fiber intake is essential when taking Verapamil to prevent constipation, a common adverse effect of this medication. Verapamil is a calcium channel blocker used to treat hypertension, and dietary fiber helps maintain bowel regularity and prevent constipation that may occur as a side effect of the medication.
4. A client has a new prescription for a Nitroglycerin transdermal patch. Which of the following instructions should the nurse include?
- A. Apply the patch to a different site each day.
- B. Remove the patch at bedtime each day.
- C. Apply the patch over an area with little or no hair.
- D. Keep the patch on for 24 hours at a time.
Correct answer: B
Rationale: The correct instruction for a Nitroglycerin transdermal patch is to remove it each day, usually at bedtime, to prevent tolerance. Keeping the patch on for 24 hours at a time can lead to tolerance development. Applying the patch to a different site each day is not necessary, as long as the area is rotated to prevent skin irritation. Applying the patch over an area with little or no hair is not a critical instruction for the Nitroglycerin patch.
5. Which drug undergoes extensive first-pass hepatic metabolism?
- A. Heparin
- B. Insulin
- C. Propranolol
- D. Nitroglycerin
Correct answer: C
Rationale: Propranolol undergoes extensive first-pass hepatic metabolism in the liver. When administered orally, propranolol is extensively metabolized by the liver before reaching systemic circulation, leading to reduced bioavailability. This process is known as first-pass hepatic metabolism, which significantly affects the drug's effectiveness and necessitates higher oral doses compared to other routes of administration. Heparin (Choice A) is not metabolized by the liver but excreted unchanged by the kidneys. Insulin (Choice B) is a peptide hormone that is not subject to significant first-pass metabolism. Nitroglycerin (Choice D) is primarily metabolized in the blood and tissues, bypassing significant first-pass metabolism in the liver.
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