Safety & Infection Control Flashcards
7 cards from real CSC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Safety & Infection Control flashcards as text
What is the CDC-recommended bleach-to-water dilution for decontaminating a blood spill on a hard, non-porous surface?
Answer: 1:10 dilution
A 1:10 dilution of household bleach (~5,000–6,000 ppm available chlorine) is recommended by the CDC for blood spill decontamination on hard surfaces.
Red biohazard bags are intended for disposal of:
Answer: Regulated medical waste saturated or containing liquid blood
Red biohazard bags are for regulated medical waste that contains free-flowing liquid blood or items saturated to the point of dripping.
What is the correct sequence for managing a blood spill on a laboratory surface?
Answer: Don PPE → absorb gross spill → disinfect → remove PPE
PPE must be donned first for protection, gross material removed next, and the surface then disinfected — disinfectants work best without heavy organic burden.
Which of the following is classified as regulated medical waste under OSHA?
Answer: Sharps contaminated with any amount of blood
Contaminated sharps are always classified as regulated medical waste regardless of the quantity of blood present because of the puncture and bloodborne pathogen risks.
Standard precautions apply to which body fluids?
Answer: All body fluids, secretions, and excretions except sweat
Standard precautions apply to all body fluids, secretions, and excretions except sweat, regardless of whether visible blood is present.
Which isolation category is required for a patient with confirmed active pulmonary tuberculosis?
Answer: Airborne precautions in a negative-pressure room
Active pulmonary TB requires airborne precautions with placement in a negative-pressure airborne infection isolation room because M. tuberculosis is transmitted via small airborne particles.
Which of the following is an administrative control for infection prevention in a specimen collection area?
Answer: Implementing scheduled staff competency training on standard precautions
Administrative controls are policies, procedures, scheduling, and training programs; physical devices and PPE are engineering controls and personal protective equipment, respectively.