HESI RN
HESI Pharmacology Quizlet
1. The burn client is receiving treatments of topical mafenide acetate (Sulfamylon) to the site of injury. The nurse monitors the client, knowing that which of the following indicates that a systemic effect has occurred?
- A. Hyperventilation
- B. Elevated blood pressure
- C. Local pain at the burn site
- D. Local rash at the burn site
Correct answer: A
Rationale: Hyperventilation is an indication of a systemic effect of mafenide acetate (Sulfamylon) due to its potential to cause acidosis by suppressing renal excretion of acid. If hyperventilation occurs, the medication should be discontinued to prevent further complications.
2. The camp nurse asks the children preparing to swim in the lake if they have applied sunscreen. The nurse reminds the children that chemical sunscreens are most effective when applied:
- A. Immediately before swimming
- B. 15 minutes before exposure to the sun
- C. Immediately before exposure to the sun
- D. At least 30 minutes before exposure to the sun
Correct answer: D
Rationale: Chemical sunscreens are most effective when applied at least 30 minutes before exposure to the sun to allow them to penetrate the skin and provide optimal protection. Applying sunscreen immediately before swimming (Choice A) or immediately before exposure to the sun (Choice C) may not provide sufficient time for the sunscreen to be absorbed and offer proper protection. Applying sunscreen 15 minutes before sun exposure (Choice B) is also not ideal as it may not allow enough time for the sunscreen to work effectively. Therefore, the correct answer is to apply chemical sunscreen at least 30 minutes before exposure to the sun to ensure it can be absorbed and offer the intended protection. It is important to reapply sunscreen after swimming or sweating to maintain its effectiveness.
3. The client with squamous cell carcinoma of the larynx is receiving bleomycin intravenously. The nurse caring for the client anticipates that which diagnostic study will be prescribed?
- A. Echocardiography
- B. Electrocardiography
- C. Cervical radiography
- D. Pulmonary function studies
Correct answer: D
Rationale: Bleomycin, when administered intravenously, can lead to interstitial pneumonitis and potentially progress to pulmonary fibrosis. Therefore, pulmonary function studies are essential to monitor lung function and detect any early signs of pulmonary toxicity. Other tests, such as regular pulmonary assessments, should also be conducted to ensure the safety and well-being of the client.
4. A client with coronary artery disease complains of substernal chest pain. After checking the client's heart rate and blood pressure, a nurse administers nitroglycerin, 0.4 mg, sublingually. After 5 minutes, the client states, 'My chest still hurts.' Select the appropriate actions that the nurse should take.
- A. Call a code blue.
- B. Contact the registered nurse.
- C. Contact the client's family.
- D. Assess the client's pain level.
Correct answer: B
Rationale: The correct action for the nurse to take in this situation is to contact the registered nurse. When a client with coronary artery disease experiences chest pain and does not achieve relief after the initial administration of nitroglycerin, it is crucial to inform the registered nurse promptly. Following the usual guideline for nitroglycerin administration, the nurse may administer a second tablet after assessing the client's pain level. The nurse should continue to assess the client's pain and monitor vital signs before each dose administration. Calling a code blue is not warranted at this point, as the client's condition does not indicate an immediate life-threatening emergency. Contacting the client's family is not necessary unless requested by the client.
5. When a client taking warfarin sodium (Coumadin) is prescribed ciprofloxacin (Cipro), the nurse should closely monitor the client for which potential effect of this drug interaction?
- A. Increased risk of bleeding
- B. Decreased warfarin effectiveness
- C. Increased risk of thrombosis
- D. Decreased ciprofloxacin effectiveness
Correct answer: A
Rationale: When ciprofloxacin (Cipro) is given with warfarin sodium (Coumadin), it can potentiate the effects of warfarin, leading to an increased risk of bleeding. Therefore, the nurse should closely monitor the client's INR levels and watch for signs of bleeding such as bruising, petechiae, or black tarry stools.
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