ATI LPN
ATI Adult Medical Surgical
1. The healthcare provider prescribes 15 mg/kg of Streptomycin for an infant weighing 4 pounds. The drug is diluted in 25 ml of D5W to run over 8 hours. How much Streptomycin will the infant receive?
- A. 9 mg
- B. 18 mg
- C. 27 mg
- D. 36 mg
Correct answer: A
Rationale: To calculate the dosage, first, convert the weight from pounds to kg (4 lbs / 2.2 ≈ 1.82 kg). Then, multiply by the prescribed mg/kg (15 mg/kg * 1.82 kg ≈ 27.3 mg). However, since the question asks for the closest correct option, the infant will receive approximately 9 mg.
2. A client with coronary artery disease (CAD) is prescribed atorvastatin (Lipitor). Which laboratory value requires immediate intervention?
- A. Total cholesterol of 180 mg/dL.
- B. Low-density lipoprotein (LDL) of 200 mg/dL.
- C. Triglycerides of 150 mg/dL.
- D. High-density lipoprotein (HDL) of 40 mg/dL.
Correct answer: B
Rationale: An LDL level of 200 mg/dL is significantly elevated and requires immediate intervention to reduce the risk of cardiovascular events in a client with coronary artery disease (CAD). High LDL levels contribute to the development and progression of atherosclerosis, which can lead to complications like heart attacks and strokes. Lowering LDL levels is a key goal in managing CAD and preventing further cardiovascular damage. Total cholesterol of 180 mg/dL, triglycerides of 150 mg/dL, and HDL of 40 mg/dL are within acceptable ranges and do not pose an immediate risk that necessitates urgent intervention.
3. A client is admitted with diabetic ketoacidosis (DKA). Which assessment finding requires immediate intervention?
- A. Fruity breath odor.
- B. Blood glucose of 450 mg/dL.
- C. Deep, rapid respirations.
- D. Serum potassium of 5.2 mEq/L.
Correct answer: C
Rationale: The correct answer is C: Deep, rapid respirations (Kussmaul breathing). This is a sign of severe acidosis commonly seen in diabetic ketoacidosis (DKA) and requires immediate intervention. Kussmaul breathing helps to compensate for the metabolic acidosis by blowing off carbon dioxide. Prompt intervention is necessary to prevent further deterioration and potential respiratory failure. Fruity breath odor (Choice A) is a classic sign of DKA but does not require immediate intervention. While a blood glucose level of 450 mg/dL (Choice B) is high, it does not pose an immediate threat to the client's life. Serum potassium of 5.2 mEq/L (Choice D) is slightly elevated but not the most critical finding that requires immediate intervention in this scenario.
4. A client with a history of hypertension is prescribed lisinopril (Prinivil). Which side effect should the nurse monitor for?
- A. Dry cough.
- B. Weight gain.
- C. Tachycardia.
- D. Hyperglycemia.
Correct answer: A
Rationale: The correct answer is A: Dry cough. Lisinopril is an ACE inhibitor, and a common side effect of ACE inhibitors is a dry cough. This occurs due to the accumulation of bradykinin in the lungs, leading to irritation and subsequent cough. It is important for the nurse to monitor the client for this side effect as it can affect adherence to the medication regimen. Weight gain, tachycardia, and hyperglycemia are not typically associated with lisinopril. Therefore, choices B, C, and D are incorrect.
5. A 45-year-old woman presents with fatigue, weight gain, and constipation. Laboratory tests reveal low TSH and high free T4 levels. What is the most likely diagnosis?
- A. Hypothyroidism
- B. Hyperthyroidism
- C. Thyroiditis
- D. Thyroid cancer
Correct answer: B
Rationale: The presentation of low TSH and high free T4 levels is characteristic of hyperthyroidism, which is consistent with the symptoms of fatigue, weight gain, and constipation described in the case. In hyperthyroidism, the thyroid gland produces an excess of thyroid hormone leading to a hypermetabolic state, which can manifest with these symptoms.
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