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STERILE PROCESSING - FINAL EXAM,
IAHCSMM CENTRAL SUPPLY STUDY
GUIDE, STERILE PROCESSING STUDY
MATERIAL FOR CERTIFICATION EXAM
2026 OFFICIAL QUESTIONS AND ANSWER
KEY (UPDATED).
Discarded - correct answer - At the end of the EO sterilization cycle, the EO cartridges and the gloves used to handle them should be: Humidity and temperature - correct answer - The basic parameters of gas sterilization in a 100% EO sterilizer are concentration, exposure time, : Humidity - correct answer - Which of the following is CRITICAL to EO penetration of bacterial cells? Exposure - correct answer - The cycle phase in an EO sterilizer when the cycle is held at the specified temperature and concentration for a specified time is called:
Nylon - correct answer - Which of the following packaging materials is NOT recommended for EO sterilization? Geometric center of the load - correct answer - Generally, the EO biological test pack is placed in the: Permissible Exposure Limits (PELs) - correct answer - One or more air samples representing a full-shift exposure to EO are taken to comply with OSHA's: 0.5 ppm - correct answer - The Action Level for EO exposure is: Gauze sponges - correct answer - Which of the following should NOT be processed in a Low Temperature Gas Plasma (LTGP) sterilizer?
Bacillus atrophaeus - correct answer - Which of the following microorganisms is used to biologically monitor the dry heat sterilizer? Peracetic acid - correct answer - Which of the following is a wet sterilization system for unwrapped items? Indefinitely - correct answer - Sterile items that are protected from the environment have been proven to remain sterile: Shelf life - correct answer - The period of time during which a sterile item is considered safe to use is known as: Package degradation - correct answer - Which of the following factors is a reason for assigning an expiration date to a product? Every time it is handled - correct answer - A package must be visually inspected for integrity:
Placed in a sterility maintenance cover - correct answer - Sterile trays that might be subjected to storage challenges should be: Hygrometer - correct answer - Humidity can be measure in the Sterile Storage area by using a: 4 - correct answer - The number of air exchanges per hour in the Sterile Storage areas should be at least: Positive pressure - correct answer - The Sterile Storage area should be maintained at: 8 to 10 - correct answer - All supplies in Sterile Storage must be how many inches from the floor? 70% - correct answer - The relative humidity in the Sterile Storage area should not exceed:
FIFO (First In, First Out) - correct answer - Rotating stock to ensure using the oldest supplies first is known as: Cost effectiveness data - correct answer - Before releasing an item to fill a sterile supply order, all of the following must be checked EXCEPT: Purchasing - correct answer - Which of the following is NOT an element of a distribution system? Receiving - correct answer - Which area is the first to accept responsibility for all supplies in the facility? On the floor - correct answer - Supplies should NEVER be stored: It must have the facility's phone number - correct answer - Which of the following is NOT a necessary requirement of a requisition?
Daily - correct answer - Transportation carts should be cleaned AT LEAST: Demand distribution - correct answer - Which distribution system requires the using department to be responsible for maintaining inventory levels? Actual use - correct answer - Par levels should be based on: Labor intensive - correct answer - Demand distribution systems are: Par level - correct answer - Which type of inventory distribution system requires the use of a predetermined inventory list? Demand system - correct answer - A simple but labor-intensive system is the:
Perpetual inventory system - correct answer - An ongoing inventory management system is known as: Lowest amount of stock - correct answer - The reorder point is the: Economical order quantity - correct answer - Ordering the optimum quantity of an item based on historical data is known as: Tracking systems - correct answer - Bar-coding of instrument sets is an integral part of: Warmth, Food, Water, Alkaline pH, Elimination of Waste material, & Oxygen - correct answer - The basic requirements for bacteria to survive are: Aerobes - correct answer - Bacteria that require oxygen are called: Anaerobes - correct answer - Bacteria that do NOT require oxygen are called:
Rod-shaped Gram-Positive organisms - correct answer - Mycobacteria, which are responsible for tuberculosis, are: Round-shaped Gram-Positive organisms - correct answer - Enterococci are: Round-shaped Gram-Positive organisms. - correct answer - Staphylococci are: MRSA - correct answer - Staphylococcus Aureus is most commonly referred to as: Rod-shaped - correct answer - Gram-Negative Bacilli are: Why is it important to evenly distribute large instruments in a set? A. The set is difficult to carry if the weight is unevenly distributed B. Extra condensation will make the set more difficult to dry
C. Ethylene oxide D. Low temperature gas plasma - correct answer - D During cycle counts, items that have a large dollar value but are NOT used frequently are classified as A. A B. B C. C D. D - correct answer - A Anatomy is the science that deals with the________ of the body parts A. Function B. Structure C. Physiology D. Sociology - correct answer - B Which of the following transports molecules within the cell A. Cilia B. Flagella C. Nucleus
D. Cytoplasm - correct answer - D Which of the following sets would be considered high risk for special prion processing? A. Open heart set B. Laparotomy set C. Abdominal set D. Craniotomy set - correct answer - D Which of the following organs produces bile? A. Gallbladder B. Pancreas C. Stomach D. Liver - correct answer - D Microorganisms are measured in A. Inches B. Microns C. Millimeters D. Centimeters - correct answer - B
Pulmonary capillaries are found in which system? A. Circulatory B. Respiratory C. Nervous D. Digestive - correct answer - B Ethics is the practice of A. Discussing patient issues with friends B. Not reconizing cultural beliefs C. Dealing with what is bad D. Doing the right thing - correct answer - D A microorganism that is resting and had a hard shell like outer covering is called a A. Prion B. Spore C. Flagella D. Capsule - correct answer - B
Spongiform encephalopathy is caused by which of the following A. Prions B. Spores C. Viruses D. Pyrogens - correct answer - A Nails,tissues, and money are examples of A. Fomites B. Vehicles C. Vectors D. Flagellae - correct answer - A Cholera is transmitted by A. Droplets B. Vectors C. Direct contact D Contaminated food and water - correct answer - D In the FINAL step of hand washing, the fingers should be rinsed with the fingertips
A. Leakproof B. Rubber C. Metal D. Glass - correct answer - A Round or spherical bacterial are called A. Cocci B. Bacilli C. Spiral D. Flagellae - correct answer - A The removal of contamination from an item to the extent necessary for further processing is called A. Snorting B. Sterilizing C. Cleaning D. Disinfection - correct answer - C Which of the following should be cleaned daily A. Floors and work surfaces
B. Walls and vents C. Floor drains D. Ceilings - correct answer - A Which of the following is a TRUE statement regarding the use of personal protective equipment (PPE) in the decontamination area A. Its use is optional B. Vinyl gloves are all that is needed manual cleaning C. Failure to wear PPE can result in disciplinary action D. If the temperature in the room is too warm, gowns do not need to be worn - correct answer - C Before the medical device is cleaned and processed A. The manufacturer's instructions must be obtained B. Material compatibility testing must be preformed C. It must be approved by the electrician D. It must be checked for function - correct answer - A The MINIMUM time needed for effective handwashing is A. 5 seconds B. 10 seconds
