20 single-best-answer questions in the style of the OMSB registered nurse exam, weighted towards the topics the paper tests most. Answer each one to see the key, the reasoning and the trap candidates fall into.
| Questions | 100 single-best-answer |
|---|---|
| Time | About 150 minutes |
| Pass mark | 50% (working target) |
| Delivered by | Pearson VUE |
Formats change between cycles. Confirm the current details with the Oman Medical Specialty Board.
A restaurant cook telephones the clinic with diarrhoea and vomiting, and his stool culture has grown Salmonella. The nurse should advise him to:
A patient with chronic kidney disease has a serum potassium of 7.1 mmol/L, with tall tented T waves on the cardiac monitor. The nurse should anticipate giving FIRST:
A patient is prescribed oral doxycycline for an infection. The nurse teaches the patient to:
Before opening a sterile dressing pack the nurse notices a small damp patch on the outer wrapper. The nurse should:
A patient is prescribed 40 mmol of potassium chloride in 1000 mL of sodium chloride 0.9%, and the maximum rate permitted on a general ward is 10 mmol per hour. What is the fastest rate the nurse may set?
Three hours into a unit of packed red cells an older patient becomes breathless, with a rising blood pressure, distended neck veins and basal crackles. The nurse should FIRST:
A 45-year-old reports a firm neck lump that has grown over two months, with a hoarse voice and difficulty swallowing solid food. The nurse should:
A nurse notes that a peripheral IV site is cool, pale and swollen with the infusion slowing. What complication is most likely?
What is the therapeutic serum range for lithium in a client on maintenance therapy?
A patient is medically fit for discharge, but his family telephones to say that they will not collect him and that he must stay until a care home place is found. The charge nurse should:
Which of the following is the BEST example of the 'right circumstance' in delegation?
A patient is being taught to walk with a wheeled walking frame after a hip fracture. The correct instruction is to:
A nurse collects a urine specimen from a patient for culture and must complete the container and the request form. Correct practice is to:
A scan at 22 weeks in a monochorionic twin pregnancy shows one twin with polyhydramnios and a full bladder and the other with almost no fluid around it. The nurse recognises this as:
A 58-year-old woman who reached the menopause six years ago reports two episodes of light vaginal bleeding in the past month. The nurse should:
A patient with advanced cancer says quietly, 'I have had enough — please give me something to end it.' The nurse should FIRST:
A patient colonised with MRSA is admitted. Which transmission-based precaution is required in addition to standard precautions?
A patient with chronic obstructive pulmonary disease is started on a once-daily inhaled tiotropium capsule. The nurse teaches the patient to:
A 9-month-old's weight has fallen from the 50th to below the 9th centile over three months, and the mother says feeds are rushed and often refused. The nurse's initial action is to:
A care plan goal states 'the patient will maintain oxygen saturation above 94% on room air by discharge'. Which quality of a SMART goal is BEST illustrated by 'above 94%'?
Want more than 20?
A free account adds practice by topic, a timed mini mock and saved progress.
We model the OMSB registered nurse exam as 100 single-best-answer questions in about 150 minutes. Formats change between exam cycles, so confirm the current figures with the Oman Medical Specialty Board or Pearson VUE before you book.
We grade OMSB practice against 50% as a working target. The official threshold is not always published as a percentage, so confirm it with the Oman Medical Specialty Board before you rely on it.
No. They are original practice questions written in the single-best-answer style of the OMSB exam. Real exam items are confidential, so treat any "leaked paper" you are offered as unreliable.