Q1. The therapeutic serum digoxin level is:
- 0.1–0.5 ng/mL
- 0.5–2.0 ng/mLCorrect
- 2.5–4.0 ng/mL
- 4.0–6.0 ng/mL
Explanation: 0.5–2.0 ng/mL is therapeutic. Above 2.0 ng/mL = toxicity risk (nausea, visual halos, arrhythmias).
Simulate the real DHA UAE — Dubai prometric exam with our timed DHA mock test. Same question count, same time pressure, same difficulty mix as the actual DHA Dubai Health Authority Exam. Get an instant score, see which topics you're weak in, and re-attempt unlimited times until you're consistently scoring above the passing mark.
Below are real DHA practice MCQs from our Q&A bank. Each comes with an answer and explanation — just like the full bank.
Q1. The therapeutic serum digoxin level is:
Explanation: 0.5–2.0 ng/mL is therapeutic. Above 2.0 ng/mL = toxicity risk (nausea, visual halos, arrhythmias).
Q2. Which finding requires IMMEDIATE intervention in a patient receiving a blood transfusion?
Explanation: Pink-tinged urine indicates hemolytic reaction — STOP transfusion immediately and notify physician.
Q3. A nurse is teaching a patient about warfarin therapy. The patient should AVOID which food?
Explanation: Green leafy vegetables are high in vitamin K, which antagonizes warfarin's anticoagulant effect.
Q4. The MOST important nursing intervention for a patient with COPD is to:
Explanation: Semi-Fowler's and pursed-lip breathing improve ventilation. High-flow O₂ can suppress hypoxic drive in COPD.
Q5. A pediatric patient weighs 22 lbs. Order: 15 mg/kg q6h. How many mg per dose?
Explanation: 22 lb ÷ 2.2 = 10 kg. 10 kg × 15 mg = 150 mg per dose.
Every Phoenix RN DHA mock test mirrors the topic mix and single-best-answer style of the Dubai Health Authority (DHA) — Emirate of Dubai paper, and where the authority publishes a question count and seat time we match those exactly. The table below shows only what the regulator or its testing vendor actually publishes — nothing is estimated.
| Regulator | Dubai Health Authority (DHA) |
| Testing vendor | Prometric |
| Total questions | 150 multiple-choice questions covering Fundamentals of Nursing, Adult Health, Maternal & Child Nursing, and Unit Management & Leadership. |
| Exam duration | Three hours in total, inclusive of the on-screen registration and introduction. |
| Passing score | DHA publishes a 50% pass mark for the Registered Nurse CBT (exam code RNT0312). Results are released as pass or fail — the numeric score is not disclosed to the candidate. |
| Exam fee | USD 240 examination fee (published by DHA) |
| Language | English |
| Re-attempt rules | The re-attempt policy is not published by Dubai Health Authority (DHA) — confirm on the official portal before booking. |
Source: Dubai Health Authority — CBT examination guideline (RNT0312) · verified 2026-08-23. Phoenix RN mock tests default to a 150-question, 180-minute practice format where the authority does not publish its own.
Each mock draws non-repeating questions from the 6,000+ Q&A bank in the same weightings Prometric uses on the live DHA paper. A single 150-question mock will contain roughly:
Dubai Health Authority (DHA) sets the DHA pass mark at 50%. Phoenix RN mocks show your live percentage plus a topic-wise breakdown so you know exactly which of the 8 syllabus domains is dragging you down. A score below 60% on any single domain is the warning sign we tell students to fix before booking the real Prometric slot.
DHA emphasises scenario-based prioritisation and UAE-specific professionalism rules (Sheryan, PDPL) more than any other GCC prometric exam.
The Phoenix RN mock format of 150 questions in 180 minutes gives you roughly 72 seconds per MCQ. Flag anything that takes longer than 90 seconds and return to it at the end — spending three minutes on one calculation question is what pushes candidates out of the time budget.
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