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OMSB Infection Control Nursing Practice Questions
What this topic covers
Standard and transmission-based precautions, hand hygiene, PPE order, sterile technique, sharps safety and outbreak control.
Free OMSB infection control nursing questions
- Incubation period
- Illness stage
- Prodromal stage
- Convalescence
Show answer and rationale
Answer: C. Prodromal stage
The prodromal stage is the interval from the first non-specific symptoms to the appearance of specific signs of the disease. During incubation there are no symptoms, and the illness stage brings disease-specific signs.
Reference: Potter & Perry Fundamentals of Nursing – infection prevention and control
- Mumps
- Scabies
- Pertussis
- Measles
Show answer and rationale
Answer: D. Measles
Measles spreads via airborne droplet nuclei that remain suspended in the air, so airborne precautions are required. Mumps and pertussis need droplet precautions, and scabies needs contact precautions.
Reference: CDC Guideline for Isolation Precautions – airborne precautions
- A cloth mask worn under a face shield
- A fit-tested N95 (or FFP2/FFP3) respirator
- A surgical mask worn with a face shield
- No mask if the patient is wearing a surgical mask
Show answer and rationale
Answer: B. A fit-tested N95 (or FFP2/FFP3) respirator
Aerosol-generating procedures produce small infectious particles, so a fit-tested particulate respirator such as N95/FFP2 or higher is required, together with eye protection, gown and gloves.
Reference: WHO Infection prevention and control guidance for COVID-19
- Reaching across the sterile field with ungloved hands
- Keeping sterile gloved hands above waist level and within sight
- Turning away from the field briefly to collect a dressing
- Holding sterile gloved hands below the waist when resting
Show answer and rationale
Answer: B. Keeping sterile gloved hands above waist level and within sight
Sterile objects must remain within the line of vision and above waist level to be considered sterile. Turning one's back, reaching across the field or dropping hands below the waist contaminates it.
Reference: Potter & Perry Fundamentals of Nursing – surgical asepsis
- Changing the catheter routinely every 3 days
- Disconnecting the catheter from the bag to obtain urine samples
- Irrigating the catheter daily with sterile saline
- Keeping the drainage bag below the level of the bladder at all times
Show answer and rationale
Answer: D. Keeping the drainage bag below the level of the bladder at all times
Keeping the bag below bladder level maintains unobstructed downhill flow and prevents reflux. The closed system should not be broken, routine irrigation is not recommended, and catheters are not changed at fixed short intervals.
Reference: CDC Guideline for Prevention of Catheter-Associated Urinary Tract Infections
Questions are written with AI assistance. About 10% (150+) have been reviewed by a licensed nurse so far, and more are reviewed every month. Practice questions are for study only and may contain mistakes; verify with official study guides from your destination country. Report a question
Study tip
Learn which organisms need contact, droplet or airborne precautions; these come up in almost every Gulf exam.
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