KMU Past Paper Practice
Evidence-Based Practice, Patient Safety & Clinical Governance
Final Year MBBS · 20 A-type Single Best Answer MCQs
MCQ 1
Question:
A team wants to find evidence on whether a new ward handover improves patient safety. Its initial search returns studies on many unrelated hospital interventions. Which change would make its question most useful for searching?
Options:
- Limit the search to papers from one hospital
- Select papers with the shortest abstracts
- Search for the name of a preferred author
- Specify the patients, comparison and outcome
- Replace the question with a general topic
Correct Answer: Specify the patients, comparison and outcome
Explanation: Defining the population, existing practice and desired result makes the clinical question focused enough to guide an efficient evidence search.
MCQ 2
Question:
A review concludes that a safety intervention works, but several included studies have major methodological problems and their results disagree. A separate, carefully conducted study gives a less certain result. How should a clinician treat the review’s conclusion?
Options:
- Accept it because reviews have a high evidence level
- Appraise the included studies before relying on it
- Discard the separate study because it is smaller
- Average the conclusions without assessing methods
- Choose whichever conclusion is more reassuring
Correct Answer: Appraise the included studies before relying on it
Explanation: A review’s position in an evidence hierarchy does not repair bias or inconsistency in the studies it includes.
MCQ 3
Question:
A study estimates that a new practice reduces preventable harm, but the range of plausible effects is wide and includes little benefit. What is the most appropriate interpretation?
Options:
- The intervention has been shown to be harmful
- The estimated benefit applies to every patient
- The methods can be accepted without appraisal
- The result establishes a precise treatment effect
- The size of the benefit remains uncertain
Correct Answer: The size of the benefit remains uncertain
Explanation: A wide range of plausible effects means the estimate lacks precision; the true benefit may be smaller than the headline result suggests.
MCQ 4
Question:
A large study detects a very small improvement after a change in practice. The result is statistically significant, but patients are unlikely to notice the difference. What should the team consider before introducing the change?
Options:
- Whether the size of the benefit matters clinically
- Whether the article uses a shorter title
- Whether the result is easy to memorise
- Whether the investigators work locally
- Whether the study includes a diagram
Correct Answer: Whether the size of the benefit matters clinically
Explanation: Statistical significance does not establish that an effect is large enough to improve care meaningfully.
MCQ 5
Question:
A clinician has seen several patients improve after a treatment. A well-conducted comparison, however, finds little difference between that treatment and existing care. Which response best follows evidence-based practice?
Options:
- Assume the comparison overlooked every benefit
- Continue treatment solely because patients improved
- Reconsider the impression using the comparative evidence
- Disregard patient experiences when making decisions
- Choose care according to the clinician’s seniority
Correct Answer: Reconsider the impression using the comparative evidence
Explanation: Improvement after treatment does not show that treatment caused it; an appropriate comparison helps assess its added benefit.
MCQ 6
Question:
A patient receives a medicine intended for someone else. The mistake is recognised promptly, and assessment finds no injury. Which description best fits what happened?
Options:
- An expected effect of appropriate care
- A medical error without detected harm
- A complication of the original illness
- A successful step in risk assessment
- An adverse effect of correct prescribing
Correct Answer: A medical error without detected harm
Explanation: The wrong medicine reached the patient, so an error occurred even though assessment found no injury.
MCQ 7
Question:
A patient becomes unwell immediately after receiving an unintended medicine. The team also needs to investigate how the error occurred. What should happen first?
Options:
- Complete the final incident analysis
- Calculate the ward’s error rate
- Redesign the medicine cupboard
- Arrange the next clinical audit
- Assess and stabilise the patient
Correct Answer: Assess and stabilise the patient
Explanation: Immediate patient safety takes priority. Reporting and investigation follow alongside appropriate clinical escalation.
MCQ 8
Question:
Several wards have delayed medication rounds because staffing plans leave little cover during a predictable change of shift. Reviews repeatedly focus on the individual nurse involved. Which action best addresses the underlying risk?
Options:
- Give every involved nurse the same warning
- Stop recording delays during handover
- Review staffing and task cover at shift change
- Move the same tasks to the next shift
- Ask patients to remind staff about each dose
Correct Answer: Review staffing and task cover at shift change
Explanation: A repeated, predictable shortage points to how work is organised; correcting cover addresses a contributing system condition.
MCQ 9
Question:
At admission, a patient says they take a medicine at home that is absent from the referral letter. A new prescription is being prepared. Which action best reduces the risk created by the incomplete information?
Options:
- Use the referral letter as the complete list
- Ask the patient to stop the home medicine
- Copy the previous prescription without review
- Verify and update the current medicine list
- Record the difference only at discharge
Correct Answer: Verify and update the current medicine list
Explanation: Reconciling what the patient actually takes with the available records gives the prescriber safer information for the new decision.
MCQ 10
Question:
Two patients on a ward have the same surname. A medicine is due for one of them, and the staff member recognises the surname on the chart. What is the safest next step before administration?
Options:
- Confirm the intended patient using reliable identifiers
- Give the dose to the patient nearest the chart
- Rely on recognition of the patient’s face
- Ask another patient to identify the recipient
- Document the dose before checking identity
Correct Answer: Confirm the intended patient using reliable identifiers
Explanation: A shared surname is insufficient identification. Checking reliable patient identifiers prevents the medicine reaching the wrong person.
MCQ 11
Question:
A ward has identified occasional calculation errors during preparation of a medicine requiring an individual dose calculation. Which change provides the most useful additional barrier before administration?
Options:
- Record the calculation only after administration
- Rely on the preparer’s previous experience
- Add an independent check at the risk point
- Ask the patient to perform the calculation
- Investigate only if a reaction occurs
Correct Answer: Add an independent check at the risk point
Explanation: A separate check before administration can detect a calculation error before it reaches the patient.
MCQ 12
Question:
Staff report difficulty reading handwritten medicine orders, and several prescriptions have needed clarification. Which change most directly reduces this communication hazard?
Options:
- Use a clear, standardised prescribing process
- Ask staff to guess unclear words from context
- Delay clarification until the next ward round
- Accept orders that resemble previous prescriptions
- Discuss the handwriting only after an error
Correct Answer: Use a clear, standardised prescribing process
Explanation: Improving how orders are written and communicated tackles the recurring source of uncertainty; any unclear current order still needs clarification.
MCQ 13
Question:
Before a procedure on one limb, the patient’s records agree on the planned operation, but the operative site has not been marked where marking is appropriate. What is the best safety response?
Options:
- Proceed because the records agree
- Complete site verification before proceeding
- Document the site after the procedure
- Ask the recovery team to check the site
- Use the position of the limb as confirmation
Correct Answer: Complete site verification before proceeding
Explanation: Agreement in the records is valuable, but the planned site still requires the applicable preoperative verification and marking process.
MCQ 14
Question:
During the team discussion before an operation, the surgeon identifies a substantial possibility of bleeding that was not mentioned in the earlier handover. What is the main safety purpose of raising this concern now?
Options:
- To replace the patient’s clinical assessment
- To determine who completes the audit form
- To establish whether the operation is common
- To document a risk after the operation
- To let the team anticipate and prepare for bleeding
Correct Answer: To let the team anticipate and prepare for bleeding
Explanation: Sharing a patient-specific risk before surgery allows the team to plan its response and check that needed support is available.
MCQ 15
Question:
A specimen is removed during an operation. Before the patient leaves the operating room, the specimen container has a label that the team has not checked against the patient’s details. Which action best prevents a downstream error?
Options:
- Send it because the container has a label
- Leave identification to the receiving laboratory
- Store it until the next theatre list begins
- Verify the label with the team before transfer
- Ask the patient to confirm the label in recovery
Correct Answer: Verify the label with the team before transfer
Explanation: A final team check links the specimen to the correct patient before it leaves theatre and reduces the risk of misidentification.
MCQ 16
Question:
A service confirms that staff follow a recommended care pathway, yet patients’ results remain poorer than expected. Which part of clinical governance is most directly concerned with reviewing whether the care achieves its intended benefit?
Options:
- Staff attendance recording
- Operating-list scheduling
- Equipment stock management
- Patient-identification checking
- Clinical effectiveness review
Correct Answer: Clinical effectiveness review
Explanation: Following a process matters, but clinical effectiveness also examines whether care produces the outcomes it is intended to achieve.
MCQ 17
Question:
A student collects information from clinical records for a service audit. The team needs to discuss overall findings, but individual patients do not need to be identified in its presentation. What is the most appropriate approach?
Options:
- Present findings without unnecessary patient identifiers
- Include patient names to make findings memorable
- Share the full records with every meeting attendee
- Remove inconvenient cases from the analysis
- Avoid recording how the data were collected
Correct Answer: Present findings without unnecessary patient identifiers
Explanation: Governance requires useful, accurate information while protecting confidentiality; identifiable details should be limited to what the work requires.
MCQ 18
Question:
A department introduces a revised safety process. Several staff members say they understand its purpose but have not learned how to use it in their daily work. Which governance response best addresses this gap?
Options:
- Assume written approval ensures practical use
- Remove staff questions from improvement meetings
- Wait for an adverse event before explaining it
- Provide practical training and check its uptake
- Replace training with a longer policy document
Correct Answer: Provide practical training and check its uptake
Explanation: Staff need the skills and support to use a revised process; checking uptake shows whether it has reached practice.
MCQ 19
Question:
A team proposes auditing a safety practice against a target chosen solely because it matches last month’s performance. What should it do before using that target as its standard?
Options:
- Use the target because it will be easy to meet
- Keep the target confidential until re-audit
- Base the standard on appropriate evidence or policy
- Change the target after seeing every result
- Replace the standard with staff preference
Correct Answer: Base the standard on appropriate evidence or policy
Explanation: An audit needs a justified benchmark for good care; recent performance alone describes what happened, not what should happen.
MCQ 20
Question:
An audit of a preoperative safety practice is repeated after a service change. The first review included elective operations; the second also included emergency operations, which follow a different workflow. What is the main problem with comparing the two results directly?
Options:
- The second review has too many clinical staff
- The groups differ, weakening the comparison
- The first review used a written standard
- The service change occurred between reviews
- The second review collected newer records
Correct Answer: The groups differ, weakening the comparison
Explanation: Changing which cases qualify may change the result independently of the service improvement, so comparable criteria are needed for interpretation.