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CRCST PRACTICE EXAM QUESTIONS & ANSWERS 100%
CORRECT
1. This type of organism is necessary for life.
ANS Microorganism
2. The organization that sets recommended practices and standards
for care and processing of devices and systems is ANS Association for the Ad- vancement of Medical Instrumentation (AAMI)
3. What is the circular opening of the eye which controls the amount of light
which enters the eye? ANS pupil
4. Implantable devices should not be
ANS flash sterilized
5. What is the best choice for high level disinfection of instruments?
ANS OPA (or Ortho-phthalaldehyde)
6. The part of a cell that enables it to move through liquid is the
ANS flagella
7. When soil remains on a device after cleaning
ANS the device cannot be sterilized
8. Bacteria that cause diseases are called
ANS pathogenic
9. Which type of fire extinguisher should be used on flammable
liquids? ANS Type B
10. Which type of disinfectant is also known as a "wetting agent?"
ANS quatemary ammonium compounds (QUATS)
11. The inventory control method in which the supplier owns the
Inventory, stores it at the healthcare facility, and does not charge the healthcare facility for it until it is used or lost is referred to as the ANS con- signment method
12. Of the 3 major low temperature sterilants, which one has the
longest instrument turnover time? ANS Ethylene Oxide (ETO)
13. The number of times per year that inventory is purchased,
consumed, and replaced is called the ANS Inventory Turnover Rate
14. What tracking method provides real time information?
ANS RFID (Radio Fre- quency Identification)
15. What requires preventive maintenance standards be established for med- ical
equipment? ANS Joint Commission
16. How frequently should a sterilizer's drain strainer be removed and
thoroughly cleaned? ANS daily
17. What type of hepatitis vaccine is strongly recommended for most
healthcare workers? ANS Hepatitis B
18. The part of a cell that controls cell function is the
ANS nucleus
ANS para-
29. Which of the following statements about the use of mechanical
washers is NOT true?
A. Multi-level trays should be separated
B. Trays with lids should be opened
C. Instruments should be disassembled and opened
D. All items should be washed on the same cycle
ANS D. All items should be washed on the same cycle
30. What unit pumps heated or cooled water through a coiled pad to
therapeutically raise or lower body temperature? ANS PCA pump
31. What sterilization quality assurance measurements
is designed to provide a written record of sterilizer cycle activity? ANS Mechanical Monitor Charts/Printouts
32. Cellulosic materials (paper, cotton and linen) cannot be processed in
a/an ANS hydrogen peroxide gas plasma sterilizer
33. What surgical abbreviations might be used
relating to a fractured bone? ANS ORIF
34. Tests which use live bacterial spores to challenge the efficacy of the
sterilization process and provide a direct measure of lethality are called ANS Biological Indicators
35. These are used to breakdown fatty deposits and adipose tissue on
instruments ANS Lipase enzymes
36. The requires that the healthcare facility report
malfunctions of medical devices that have contributed to patient injury, illness, and/or death to the manufacturer and the FDA. ANS Safe Medical Devices Act
37. The largest operating channel of an endoscope is the
channel. ANS instrument (biopsy)
38. The process by which unwrapped instruments are steam sterilized
for immediate use when an emergency situation arises, is called ANS Flash Ster- ilization
39. This is used to treat the final rinse water
used for cleaning. ANS deionization
40. Medical Device reporting is regulated by the
ANS FDA
41. Chemical indicators are classified by the FDA as
ANS Class II devices
42. Watches and other jewelry should not be worn in the Central
Service department work areas because ANS they harbor bacteria
43. Loaner instruments should be
50. Purified water should have a pH of
ANS 6.5-7.
51. The absence of microorganisms that cause disease is called
ANS asepsis
52. Standards and regulations help set levels of in
Central Service departments ANS quality, safety, and efficiency
53. In medical terminology, the purpose of a combining vowel is to
ANS make the word easier to pronounce
54. These carry blood away from the heart
ANS arteries
55. A system that keeps track of all incoming and outgoing supplies
so that quantities of supplies in storage are known at all times, is ANS perpetual inventory system
56. When arranging plastic-paper pouches in the sterilizer, the pouches
should arranged ANS paper-to-plastic
57. All of these can be removed from water when a reverse
osmosis process is used. ANS bacteria, pyrogens, endotoxins
58. In the event of a load recall, information about specific load
contents can be obtained from ANS the sterilization log
59. The most efficient type of dry heat sterilizer is
ANS the mechanical convection sterilizer
60. Ortho-Phthalaldehyde (OPA) is classified as
ANS a high level disinfectant
61. These bacteria are grow well at body temperature and are often
pathogenic to humans. ANS Mesophiles
62. Healthcare Regulations and Standards provide consistency
of departmental activities by outlining. ANS minimal performance standards
63. Water softeners are used to remove in the water
ANS calcium and magnesium
64. The removal of a kidney is called a
ANS Nephrectomy
65. Which type of scope is used to visualize the lower part of the large
intestine? ANS sigmoidscope
66. Sterile packages should be stored no lower than inches
from the floor. ANS 8-
67. To achieve a reasonable level of disinfection, alcohol used as an
intermediate-level disinfectant must remain in wet contact with the
75. The main theory of Standard Precautions is that
ANS Patients may pose a risk of infection whether they have been diagnosed with an infectious disease or not
76. This type of trash should be red-bagged
ANS regulated medical waste
77. What system involves the transfer of the control of the healthcare facili- ty's
equipment management to an external entity? ANS Outsourcing
78. The percentage of items filled (available) when an order is placed is
called the ANS Inventory Service Level
79. This prion is of special concern to Central Service Technicians
because it cannot be destroyed by normal sterilization cycles. ANS CJD (Creutsfeldt-Jakob Disease)
80. What types of carts/baskets should be used in an ETO sterilizer?
ANS metal
81. What would be the best choice for cleaning walls fixtures and floors in the
Decontamination area? ANS a Quaternary Ammonium Compound
82. Which of the following instrument marking methods is not
recommended?
A. Heat-fused nylon
B. Engraving
C. Acid-based etching
D. Laser etching
ANS Engraving
83. The agency responsible for Pre-Market Requirements of medical
devices is ANS FDA
84. Which of the information is not included on MSDS Sheet?
A. special precautions
B. physical data
C. required inventory levels
D. product identification
ANS C. required inventory levels
85. The knee is an example of a
ANS hinge joint
86. These chemicals are used to slow the growth of bacteria on living
tissue such as skin. ANS antiseptics
87. The surgical procedure that removes tissue or displaced bone in
the wrist area to release pressure on the median nerve is called ANS Carpal Tunnel Repair
88. Flash sterilization of implants is not recommended by
ANS AAMI and AORN
89. Sterilizer recording charts and/or printouts should be checked
97. Biological Testing should be performed in an ETO sterilizer
ANS in every load
98. Some bacteria develop hard shells around them which make them
more difficult to destroy. Those bacteria are called ANS spores
99. In order to elevate the temperature in a steam sterilizer, you must
ANS increase the steam pressure
100. Round-shaped bacteria are classified as
ANS Coccus
101. An infectious agent which grows only in living tissue is called
ANS a virus
102. Residual ethylene oxide is removed from sterilized items by a process called
ANS aeration
103. Employee safety is regulated by
ANS OSHA
104. Parenteral solutions are administered
ANS intrevenously
105. The decontamination area of CS should have
ANS 10 complete air exchanges per hour
106. The test used to evaluate the efficacy of air removal in a dynamic-air-re-
moval steam sterilizer is the ANS Bowie-Dick
107. The two most common techniques of flat wrap packaging are
ANS -
Square-fold and Envelope-fold
108. Enzymes are used to
ANS break down and remove heavy soil
109. The maximum density recommended for linen packs is
ANS 7.2 pounds per square foot of pack
110. Intercosto means
ANS between the ribs
111. What would be the recommended exposure time for a Dry Heat
Sterilization load that was run at an exposure temperature of 320 degrees F, (160 degrees C)? ANS 2 hours
112. Which of the following is the white portion of the eye?
ANS sclera
113. How frequently should a steam sterilizer's door gasket be inspected and
cleaned? ANS Daily
114. When washing their hands, Central Service Technicians should
lather and scrub them for a minimum of seconds. ANS 15
115. What percentage of microorganisms are harmful to humans because they
can grow at approximately human body temperature? ANS 1%
116. What type of hepatitis virus is important in food-born illness?
ANS Hepatitis A
126. The Pancreas is a component of the
ANS Digestive System
127. Microorganisms that are capable of growing in free oxygen (require free
oxygen) are called ANS aerobic
128. The suffix "oscopy" means
ANS visual examination
129. Which of the following is NOT a principle of asepsis?
A. Know what is dirty.
B. Know what is clean.
C. Know what is sterile.
D. Keep the three conditions separate.
E. Remedy Contamination immediately.
F. Maintain good workflow processes.
ANS F. Maintain good workflow processes
130. A patient experiencing neuralgia is having
ANS nerve pain
131. This surgery reconstructs the eardrum so sound waves can be sent to the
middle and inner ear ANS tympanoplasty
132. Which of the terms below would you associate with a cardiac
surgery?
A. ACL
B. TAH
C. BKA
D. CABG
ANS D. CABG
133. Flexible cystoscopes provide visualization of the
ANS urethra and bladder
134. Impregnated gauze strips may be sterilized using
ANS Dry Seat Sterilization
135. Microgrind, or Supercut Scissors, are usually identified with
ANS black han- dles
136. In order to prevent breathing in bacteria, via aerosols, during brush
cleaning, you should ANS brush under the surface of the water
137. The term "arthro" means
ANS joint
138. The recommended air pressure for a decontamination are is
ANS negative air pressure
139. The term "excise" means
ANS to cut out
140. An iodophor is a
ANS buffered iodine
141. Phenolics are often used to disinfect
ANS noncritical items
142. Chlorine and Iodine are members of the
ANS Halogen Family
C. stainless steel instruments
D. plastic instruments
ANS D. Plastic Instruments
151. Saturated steam has a relative humidity of
ANS 97-100%
152. Disposable medical devices should be separated from reusable de- vices
ANS at the point of use
153. Items requiring manual cleaning should be
ANS cleaned per manufacturer's recommendations
154. When using the FIFO method of storage, each item should be
before placing on or removing from the storage shelf. ANS in- spected for integrity
155. If a storeroom temperature is 850 F and the
humidity is 80%, the storeroom conditions are ANS too warm and moist (storage temperatures should be between 64F-75F (18C to 24C) with less than 75% relative humidity
156. Precleaning, leak testing, cleaning, high level disinfection, drying and
storage is the proper sequence for processing ANS flexible endoscopes
157. Whenever possible, sterile supplies should be transported
ANS in a closed cart
158. The distribution system used to provide specific products for individual
surgical procedures is a ANS case cart system
159. Surgical removal of the uterus called a
ANS Hysterectomy
160. An infectious agent that grows only in living tissue or cells is called a
ANS Virus
161. This voluntary international organization is dedicated to the prevention and
control of infection ANS APIC (Association for Professionals in Infection Control and Epidemiology)
162. Sponges used for cleaning should be
ANS replaced daily
163. In a 3-sink arrangement used for manual cleaning, the third sink should
contain ANS distilled or deionized water
164. Chisels and Osteotomes should be tested using
ANS a plastic dowel rod
165. When a flexible fiberoptic endoscope fails a leak test, it should be
ANS taken out of service and sent for repair
166. Information about the required cleaning and sterilization protocols for
loaner instrumentation should be obtained from ANS the instrument manufacturer
