Question 1

Xerxes understands correctly if he categorizes the instruments used inside the clinical laboratory that would require either sterilization or disinfection into which of the following classification?

Accepted Answer

A) Non critical items 
B) Semi-critical items 
C) Critical items 
D) Extremely critical items

Question 2

Zack recalls that the level of disinfection that is able to kill proliferative microorganisms, all types of fungi, and is able to inactivate most species of viruses is which among the following levels?

Accepted Answer

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

Question 3

Voltaire is correct to identify that instruments that come in contact with sterile parts of the body must require sterilization and is classified under which of the following category?

Accepted Answer

A) Non critical items 
B) Semi-critical items 
C) Critical items 
D) Extremely critical items

Question 4

Gerald knows that among the following equipment, one of which protects the worker, the products stored and the environment.

Accepted Answer

A) Chemical fume hoods 
B) Biosafety cabinets 
C) Clean benches 
D) Refrigerator

Question 5

In which trash bin must Adrian dispose tissues that were fixed with mercuric chloride?

Accepted Answer

A) Orange 
B) Yellow with black band 
C) Red 
D) Green

Question 6

Roger understands that when dealing with lung tissue that may be infected with Mycobacterium tuberculosis, he must apply which of the following biosafety levels to adequately protect himself and the environment?

Accepted Answer

A) BSL - 4 
B) BSL - 3 
C) BSL - 2 
D) BSL - 1

Question 7

Quark is correct to identify which among the biosafety levels are applied when working with samples that might contain the following microorganisms: Bacillus subtilis, Nigeria gruberi, and infectious canine hepatitis virus?

Accepted Answer

A) BSL - 2 
B) BSL - 3 
C) BSL - 1 
D) BSL - 4

Question 8

The histotechnician understands that the correct sequence of putting on personal protective equipment is done in which order?

Accepted Answer

A) Hand hygiene, mask, goggles, gown, gloves 
B) Hand hygiene, gown, mask, goggles, gloves 
C) Hand hygiene, gloves, mask, goggles, gown 
D) Hand hygiene, gown, gloves, mask, goggles

Question 9

Jay is correct when he adheres to the following recommended practices for handling human cells and tissues in the clinical laboratory

Accepted Answer

A) All work with such cells and tissues should be done in a biosafety cabinet. 
B) All potentially infected samples should be decontaminated by autoclaving only. 
C) All laboratory staff is not required to submit blood samples for reference. 
D) All laboratory personnel should strictly follow the BSL-1 recommendation.

Question 10

After the frozen section biopsy, Harry disposes properly the tumor specimen of a patient who previously underwent radiation therapy in which of the following trash bins?

Accepted Answer

A) Orange 
B) Yellow 
C) Red 
D) Green

Question 11

Which of the following is not a precaution to be observed by Jaz regarding fire extinguishers?

Accepted Answer

A) Do not incinerate the container even when empty. 
B) Do not place on wet places 
C) Do not place under direct sunlight 
D) Do not store the fire extinguisher in the corner of a room

Question 12

Francis recalls correctly that which among the following substances are used in decontaminating large spaces inside the laboratory, except:

Accepted Answer

A) Formaldehyde gas 
B) Hydrogen peroxide vapor 
C) Glutaraldehyde vapor 
D) Chlorine dioxide gas

Question 13

Mark is correct to identify which among the following is not a form of safety equipment in the laboratory?

Accepted Answer

A) Biosafety cabinet 
B) Enclosed containers 
C) Fume hood 
D) Engineering controls

Question 14

Bing correctly disposes infectious, pathological wastes in which of the following trash bins?

Accepted Answer

A) Red 
B) Yellow 
C) Yellow with black band 
D) Green

Question 15

Yam remembers correctly if he identifies which among the levels of disinfection is being described as being capable of sterilization if done for extended periods of time of up to 10 hours?

Accepted Answer

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

Question 16

In which trash bin must Jay-ar dispose the needles and other sharps?

Accepted Answer

A) Black 
B) Green 
C) Red 
D) Yellow

Question 17

The microscope is one of the most important instruments used in the laboratory. It is therefore a must that a histotechnician is knowledgeable about how to take care of the microscope. When removing the oil in the lens of a microscope, what should a histotechnician do?

Accepted Answer

A) Use a damped lens paper with alcohol 
B) Use a damped cloth with xylene 
C) Use a damped cloth with alcohol 
D) Use a damped lens paper with xylene

Question 18

Tony understands that sterilization in the clinical laboratory can be achieved by the following methods, except:

Accepted Answer

A) Heating 
B) Radiation 
C) Ethylene oxide gas 
D) Plasma

Question 19

Brian remembers correctly if he identifies which among the following is not a purpose of decontamination in the clinical laboratory?

Accepted Answer

A) Make the instruments and devices safer to work with 
B) Protects the personnel from infection 
C) Prevents the contamination of the environment 
D) Facilitates traffic inside the laboratory

Question 20

Orlando knows that the following are primary barriers used inside the laboratory, except:

Accepted Answer

A) Safety centrifuge cup 
B) Shoe covers 
C) Reading glasses 
D) Face shield

Exam 2: Laboratory Operations