NCLEX Pharmacology Actual Exam Review 2026/2027: 150 Latest Questions and Correct Answers| A+ Graded

NCLEX Pharmacology Actual Exam Review 2026/2027: 150
Latest Questions and Correct Answers| A+ Graded


## 🔹 SET 1: DIGOXIN, LITHIUM, PHENYTOIN (Q1–30)



### 1.



A client taking digoxin has a serum level of 2.5 mg/mL. What should the nurse do?

A. Administer medication

B. Hold dose and notify provider

C. Give potassium

D. Recheck in 1 hour



**Answer:** B

**Rationale:** Toxic (>2.0). Risk of arrhythmias.



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### 2.



Which symptom confirms digoxin toxicity?

A. Hypertension

B. Yellow vision halos

,C. Dry cough

D. Polyuria



**Answer:** B



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### 3.



Lithium level = 1.8 mEq/L. Priority action?

A. Continue medication

B. Give next dose

C. Hold and notify provider

D. Encourage sodium restriction



**Answer:** C

**Rationale:** Toxic (>1.5).



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### 4.



Early lithium toxicity sign?

, A. Seizures

B. Tremors

C. Coma

D. Bradycardia



**Answer:** B ([Nexus Nursing Institute][2])



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### 5.



Phenytoin level = 25 mcg/mL. What is expected?

A. Seizures

B. Nystagmus

C. Hypertension

D. Polyphagia



**Answer:** B



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### 6.