HESI LPN
HESI Pharmacology Exam Test Bank
1. A client arrives at the emergency department experiencing diabetic ketoacidosis (DKA). The healthcare provider prescribes an insulin intravenous drip. Which type of insulin should the nurse locate for the registered nurse to mix into the intravenous fluids?
- A. Isophane
- B. Glargine
- C. Regular
- D. Detemir
Correct answer: C
Rationale: The correct insulin type for the nurse to mix into the intravenous fluids is regular insulin. In the scenario of diabetic ketoacidosis (DKA), rapid reduction of blood glucose levels is crucial. Regular insulin has a fast onset of action, making it suitable for intravenous administration to address the high blood sugar levels seen in DKA. Isophane, Glargine, and Detemir are not appropriate choices for intravenous administration in this emergency situation as they are intermediate-acting or long-acting insulins which do not provide the rapid response needed in DKA.
2. A client is receiving levothyroxine for hypothyroidism. The nurse should monitor the client for which potential side effect?
- A. Weight gain
- B. Dry skin
- C. Hair loss
- D. Hyperthermia
Correct answer: A
Rationale: Levothyroxine is a medication used to treat hypothyroidism by supplementing the body with thyroid hormone. If the dosage of levothyroxine is too high, it can cause symptoms of hyperthyroidism, including weight loss. Therefore, weight gain can be a potential side effect of levothyroxine if the dosage is excessive.
3. A client taking long-term steroids also has ranitidine prescribed. The nurse provides which explanation as to why these drugs are given together?
- A. Ranitidine reduces the risk of ulcers associated with steroids.
- B. Ranitidine decreases the risk of infection associated with steroids.
- C. Ranitidine decreases blood sugar elevations associated with steroids.
- D. Ranitidine reduces sodium retention associated with steroid usage.
Correct answer: A
Rationale: The correct answer is A. Ranitidine is prescribed with long-term steroids to reduce the risk of ulcers associated with steroid therapy. Although steroids can increase the risk of ulcers due to their effect on the gastrointestinal system, ranitidine works by reducing stomach acid production, thus helping to prevent ulcer formation. Choices B, C, and D are incorrect as ranitidine is not given to decrease the risk of infection, reduce blood sugar elevations, or reduce sodium retention associated with steroid usage.
4. The client is being instructed on the correct technique for using... what to provide the client?
- A. Angle the tip of the inhaler upwards while spraying
- B. Hold one nostril closed while spraying the other nostril
- C. Avoid shaking the inhaler immediately before using
- D. Use the inhaler when first awakening in the morning
Correct answer: B
Rationale: The correct technique for using an inhaler for allergic rhinitis involves holding one nostril closed while spraying the other nostril to ensure proper delivery of the medication. This technique helps direct the medication into the nasal passages for optimal effectiveness. Choice A is incorrect as it refers to an incorrect technique for inhaler use. Choice C is incorrect as shaking the inhaler is often necessary to ensure proper mixing of the medication. Choice D is incorrect as the timing of inhaler use is typically based on individual preferences or healthcare provider recommendations, not specifically tied to the morning.
5. An adolescent client with a seizure disorder is prescribed the anticonvulsant medication carbamazepine. The nurse should notify the healthcare provider if the client develops which condition?
- A. Experiences dry mouth.
- B. Experiences dizziness.
- C. Develops a sore throat.
- D. Develops gingival hyperplasia.
Correct answer: C
Rationale: The correct answer is C: 'Develops a sore throat.' When a client on carbamazepine develops flu-like symptoms such as pallor, fatigue, sore throat, and fever, it could indicate blood dyscrasias (aplastic anemia, leukopenia, anemia, thrombocytopenia), which are potential adverse effects of the medication. These symptoms warrant immediate notification of the healthcare provider for further evaluation and management to prevent complications. Choices A, B, and D are incorrect because dry mouth, dizziness, and gingival hyperplasia are not commonly associated with carbamazepine use and do not indicate serious adverse effects that require immediate healthcare provider notification.
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