Unit IV RAD 110 Flashcards
What includes complete sterilization of equipment and the appropriate skin preparation?
a. Medical asepsis
b. Sterilization asepsis
c. Surgical asepsis
d. None of these
Surgical asepsis
Which of the following demonstrates the cycle of infection?
a. Pathogen, growth, exit, transport, entry, susceptible host
b. Pathogen, transport, host
c. Pathogen, growth, host
d. Pathogen and susceptible host
Pathogen, growth, exit, transport, entry, susceptible host
What type of catheter is the Foley?
a. retention balloon
b. straight
c. coiled
d. self-cleansing
retention balloon
A radiographer would not need to wear gloves while assisting a patient with a urinal.
True
False
False
Radiology departments use halogen chlorine and iodine as a bactericidal agent.
True
False
True
Which of these do not belong in the cycle of infection?
a. a susceptible host
b. medical asepsis must exist
c. an existing pathogen
d. a source for growth and reproduction must exist for the pathogen
medical asepsis must exist
Surgical aspesis is the same as:’
a. Aseptic technique
b. sterile technique
c. clean technique
d. standard precautions
sterile technique
Chemical substances that inhibit the growth of pathogenic microorganisms without necessarily killing them are called:
- antiseptics
- germicides
- disinfectants
1 only
A sterile pack is used for each of the following procedures except:
a. myelogram
b. venogram
c. barium enema
d. angiogram
barium enema
Standard precautions are used to protect the patient only.
True
False
False
When ready to leave the patient who is in isolation, what must be done?
a. wash hands
b. wash the patient’s hands
c. wash hands and use paper towels to touch the faucet handles, if equipped with handles.
d. shower
wash hands and use paper towels to touch the faucet handles, if equipped with handles.
The primary infection control practice is:
a. Autoclaving
b. Use of germicides
c. Use of antiseptics
d. Hand washing
Hand washing
Which precaution(s) is(are) used when pathogens disseminate through large particular droplets expelled from the patient?
a. contact precautions
b. droplet precautions
c. airborne precautions
d. all of the above.
droplet precautions
Microorganisms that cause infectious diseases can be classified as:
a. lytic
b. endogenous
c. pathogenic
d. nosocomial
pathogenic
When wearing a mask in isolation:
a. Leave either the nose or the mouth exposed for freer breathing
b. put it on last
c. cover both the nose and the mouth
d. masks are not necessary in isolation rooms
cover both the nose and the mouth
A chest tube is used to reinflate a collapsed lung.
True
False
True
The most important way to prevent the spread of infection is:
a. handwashing
b. wearing gloves
c. using a gown
d. using chemical disinfectants
handwashing
Linens used in the radiology department should:
a. be changed from one patient to another
b. be changed after three patients have used them
c. be discarded only if soiled
d. not be used because they contribute to the spread of disease
be changed from one patient to another
All of the following describe an exogenous mode of transmision except:
a. mosquito, tick or flea
b. fomite, such as a cassette
c. normal flora, such as bacteria in the mouth
d. West nile virus
normal flora, such as bacteria in the mouth
The purpose of sterile technique is to eliminate all harmful microorganisms.
True
False
False
Nondisposable bedpans must be sterilized between uses.
True
False
True
A Swana-Ganz catheter is a(n) ________ catheter.
a. arterial
b. atrial
c. venous
d. pulmonary
venous
Sterilization is the only process that:
a. destroys all microbes
b. is used for medical asepsis
c. balances microbial population
d. allows good bacteria to survive
destroys all microbes
Which of the following statements are true regarding a two-member team performing mobile radiography on a patient with MRSA (methicillin-resistant Staphyloccus aureus) precautions?
- One radiographer remains clean that is, he or she has no physical contact with the patient
- The radiographer who positions the mobile unit also makes the exposure
- The radiographer who positions the cassette also retrieves the cassette and remove it from its plastic protective cover.
1 and 2 only
Which of the following is an accepted method of sterilization?
a. Bleach bath
b. Dry heat
c. Antiseptic wash
d. Hand washing
dry heat
Medical asepsis can be defined as the _________ of pathogenic microorganisms in the environment.
a. complete destruction and removal
b. method of creating new types
c. method of encouraging growth
d. reduction in number
reduction in number
A portable chest radiograph must be obtained on a patient in isolation. The BEST method to minimize contamination of the radiographic equipment is to:
a. permit only one radiographer to complete the examination
b. have a nurse on the floor perform the radiographic examination instead of the radiographer
c. have the medical facilities nursing supervisor perform the examination instead of the radiographer
d. have two radiographers perform the examination, one to touch the patient and one to touch only the equipment.
have two radiographers perform the examination, one to touch the patient and one to touch only the equipment.
Do not invade the space between:
a. The sterile field and the wall
b. The physician and the sterile field
c. The radiographer and the patient
d. None of the above
The physician and the sterile field
All of the following are types of indirect transmission except:
a. fomite
b. vector
c. aerosol
d. touching
touching
Which of the following is a violation of correct sterile techniques?
a. Gowns are considered sterile in the front down to the waist, including the arms.
b. Sterile gloves must be kept above waist level
c. Persons in sterile dress should pass each other face to face
d. A sterile field should not be left unattended
Persons in sterile dress should pass each other face to face
Used bandages and dressings must be placed into:
a. lead containers
b. plastic bags
c. waterproof bags and sealed
d. Metal pans
waterproof bags and sealed
The purpose of sterile technique is to reduce the number of harmful microorganisms.
True
False
True
The pacemaker pulse generator is placed directly into the lung.
True
False
False
In which direction should the top flap be opened when opening a wrapped sterile package?
a. Away from the dominant hand
b. Away from the individual
c. Toward the dominant hand
d. Toward the individual
Away from the individual
Urinals are provided to patients who are not ambulatory.
True
False
true
Exposing items to a mixture of gases that will not harm the material but will remove microorganisms is called:
a. Medical asepsis
b. Surgical Asepsis
c. Standard precautions
d. Gas sterilization
Gas sterilization
The purpose of surgical hand scrub is to:
- Remove debris and transient microorganisms from the hands, nails and forearms.
- destroy infected material
- inhibit rapid rebound growth of microorganisms
1 and 3 only
Which of the following is the primary concern during enteric isolation precautions?
a. Vectors
b. Fecal material
c. Blood
d. Airborne droplets
Fecal material
Which of the following is not true concerning sterile fields?
a. Touch the inner surface to make sure it is smooth and ready for sterile instruments.
b. Unfold the first corner of the pack away from you
c. Pull the front portion of the wrap toward you and drop it
d. All of the above are true
Touch the inner surface to make sure it is smooth and ready for sterile instruments.
A system that uses barriers between blood, all body fluids, nonintact skin, and mucous membranes of all individuals and susceptible persons is called:
a. Universal precautions
b. infection control
c. Standard precautions
d. Linear, nonthreshold
Standard precautions
In which of the following situations should a radiographer wear protective eye gear (goggles)?
- When performing an upper GI radiography examination
- When assisting the radiologist during an angiogram
- When assisting the radiologist in a biopsy/aspiration procedure
2 and 3 only
All of the following statements describe the use of standard precautions except for which of the following?
a. washing hands before and after touching body fluids
b. wearing gloves and gowns
c. using only for patients from the emergency department
d. never recapping used needles
using only for patients from the emergency department
Which of the following types of infection transmission occur via coughing or sneezing?
a. contact transmission
b. Droplet transmission
c. Airborne transmission
d. Vectorborne transmission
Droplet transmission
You are called to the trauma center to perform a bedside radiographic procedure on a patient and you suspect the patient may have hepatitis B. What are safe practices to follow?
- Always put on gloves
- Always put on a mask
- Always wash hands after the procedure
1 and 3 only
What is usually used to perform medical asepsis?
a. water and chemicals
b. Complete sterilzation procedure
c. surgical suite procedures
d. None of the above
water and chemicals
The most effective method of sterilization is
a. dry heat
b. moist heat
c. pasteurization
d. freezing
moist heat
The type of isolation practiced to prevent the spread of infectious agents in aerosol form is
a. respiratory isolation
b. protective isolation
c. contact isolation
d. strict isolation
respiratory isolation
What parts of a gown are considered sterile?
- sleeves
- front from the waist up
- back below the waist
1 and 2 only
When wearing a protective cap for isolation:
a. it should be put on last
b. all hair should be tucked inside
c. Hair may remain outside because it cannot become contaminated
d. None of the above
all hair should be tucked inside
According to the Centers for Disease Control and Prevention (CDC), what type of isolation precautions should be used for HIV-positive patients?
a. standard (universal)
b. Enteric
c. Respiratory
d. Strict
standard (universal)
A pacemaker prevents bradycardia by:
- Sensing the patient’s heartbeats
- Pacing the heart when it does not contract
- Producing electrical impulses
1,2 and 3
The infection streptococcal pharyngitis (strep throat) is caused by a
a. virus
b. fungus
c. protozoan
d. bacterium
bacterium
Moisture permits contamination
True
False
True
What type of precautions prevents the spread of infectious agents in aerosal form?
a. strict isolation
b. Airborne precautions
c. Protective isolation
d. Contact precautions
Airborne precautions
Which of the following diseases require the employment of body substances precautions by health care workers?
- acquired immunodificiency syndrome
- hepatitis B
- Malaria
1 and 2 only
When contact with microorganisms is prevented through a combination of chemical agents, soap, water and friction:
a. medical asepsis exists
b. the environment is completely sterile
c. surgical aspesis exists
d. no new microorganisms can develop
medical asepsis exists
Urinary catheterization is performed under aseptic technique.
True
False
True
To limit cross-contamination at the sink:
a. use paper towels when touching the faucet
b. use a new bottle of antiseptic scrub at every wash
c. always prepare to wash with gloves on
d. use only hot water
use paper towels when touching the faucet
Examples of a disease that may be transferred by vector include:
- malaria
- Lyme disease
- Human immunodeficiency virus (HIV)
1 and 2 only
Asepsis must be employed:
a. For all procedures
b. Whenever the skin is broken or an invasive procedure takes place
c. When known pathogenic organisms are present
d. When the patient requests it
Whenever the skin is broken or an invasive procedure takes place