1.Easy
Which type of knot is used to secure the straps of a restraint?
- AA square knot
- BA quick-release knot
- CA tight double knot
- DA knot tied on the patient’s wrist
2.Easy
A nurse cannot get a good seal with an N95 respirator because of a beard. Which device can be used instead?
- ATwo surgical masks worn together
- BA washable cloth face mask worn over the beard
- CA powered air-purifying respirator (PAPR)
- DA standard surgical mask
3.Easy
Surgical instruments that enter sterile tissue are “critical” items. Which processing do they need before reuse?
- ALow-level disinfection
- BCleaning with detergent and water only
- CSterilization
- DHigh-level disinfection
4.Medium
Why are independent double checks used for some medicines, such as insulin and heparin infusions?
- ATo make the preparation process faster
- BBecause these drugs are very expensive to waste
- CA second person checking separately catches missed errors
- DTo share responsibility between two nurses if an error happens
5.Medium
How tight should a wrist restraint be?
- ALoose enough for the patient’s hand to slip out
- BTight enough to slow the pulse at the wrist
- CAs tight as possible so the patient cannot move the arm
- DLoose enough to fit two fingers between the restraint and the skin
6.Medium
Where should the drainage bag of an indwelling urinary catheter be kept?
- AHung on the IV pole above the patient
- BOn the floor under the bed, where it is out of the way
- CBelow the level of the bladder and off the floor
- DOn the bed next to the patient’s hip
7.Hard
A visitor is receiving an electric shock from a faulty lamp and is still touching it. What should the nurse do first?
- ASwitch off the power or unplug the lamp without touching the person
- BPull the visitor away from the lamp by the arm as quickly as possible
- CStart chest compressions straight away
- DThrow water over the lamp to stop the current
8.Hard
According to the “Swiss cheese” model of error, why do errors reach patients?
- ATechnology fails more often than people do
- BOne careless person makes a mistake that no system could stop
- CWeaknesses in several layers of defense line up at the same time
- DPatients often do not follow their care instructions
Answer key
- 1. B · A quick-release knot
- 2. C · A powered air-purifying respirator (PAPR)
- 3. C · Sterilization
- 4. C · A second person checking separately catches missed errors
- 5. D · Loose enough to fit two fingers between the restraint and the skin
- 6. C · Below the level of the bladder and off the floor
- 7. A · Switch off the power or unplug the lamp without touching the person
- 8. C · Weaknesses in several layers of defense line up at the same time
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