Question 1

Noel knows that which among the following statements is true regarding biosafety cabinets.

Accepted Answer

A) There are four classes of biosafety cabinets used in the laboratories. 
B) Both Class I and Class II biosafety cabinets are able to serve as primary barriers that protects both the lab workers and the environment. 
C) Class II biosafety cabinets are not able to provide protection from external contamination of materials. 
D) Class IV biosafety cabinets provide the greatest level of protection for both the lab personnel and the environment.

Question 2

Ariel understands that the type of disinfection that is able to kill most species of bacteria, fungi, and viruses is which among the following categories?

Accepted Answer

A) Sterilization 
B) High level disinfection 
C) Low level disinfection 
D) Intermediate level disinfection

Question 3

Earl understands correctly that which among the following is the easiest to kill or inhibit when using disinfectants in the laboratory?

Accepted Answer

A) Mycobacterium tuberculosis 
B) Candida albicans 
C) Rhinovirus 
D) Ebola virus

Question 4

The histology assistant understands the general principles of using personal protective equipment when he identifies which among the following is not correct?

Accepted Answer

A) Always perform hand hygiene before doing any personal protective equipment 
B) Any damaged parts of are-usable personal protective equipment must be replaced immediately. 
C) Removal of personal protective equipment can be delayed even after completing a procedure to save time and resources. 
D) All single used personal protective equipment must be discarded properly and immediately after use.

Question 5

In which classification does fire brought about by faulty electrical wiring of the fixation machine belong?

Accepted Answer

A) Fire classification A 
B) Fire classification B 
C) Fire classification C 
D) Fire classification D

Exam 2: Laboratory Operations

Noel knows that which among the following statements is true regarding biosafety cabinets.

Ariel understands that the type of disinfection that is able to kill most species of bacteria, fungi, and viruses is which among the following categories?

Earl understands correctly that which among the following is the easiest to kill or inhibit when using disinfectants in the laboratory?

The histology assistant understands the general principles of using personal protective equipment when he identifies which among the following is not correct?

In which classification does fire brought about by faulty electrical wiring of the fixation machine belong?