RAD 105 EVALUATION EXAM 2025 QUESTIONS AND
ANSWERS RATED A+
✔✔The human body has _______ ,________ , and _______ mechanisms that it uses to
fight infection. - ✔✔mechanical, cellular, and chemical
✔✔A pacemaker prevents bradycardia by:
1. sensing the patient's heartbeats.
2. pacing the heart when it does not contract.
3. producing electrical impulses.
a. 1 and 2 b. 1 and 3 c. 2 and 3 d. 1, 2, and 3 - ✔✔d. 1, 2, and 3
1. sensing the patient's heartbeats.
2. pacing the heart when it does not contract.
3. producing electrical impulses.
✔✔What type of catheter is the Foley?
a. retention balloon b. straight c. coiled d. self-cleansing - ✔✔a. retention balloon
✔✔When handling sterile gloves with a nonsterile hand, which of the following is not
considered sterile?
a. outside of the cuff
b. inside of the cuff
c. fingertips of the glove
d. thumb of the glove - ✔✔b. inside of the cuff
✔✔Outside air is prevented from entering the pleural cavity through the chest tube by
the:
a. collection chamber.
b. water seal chamber.
c. suction control chamber.
d. first compartment. - ✔✔b. water seal chamber.
✔✔The goal of good sterile technique is to:
a. protect the health care worker from infection.
b. remove all infected material.
c. protect the patient from infection.
d. remove all viable microorganisms. - ✔✔c. protect the patient from infection.
✔✔The first rule of caring for a tracheostomy patient is:
a. watch for secretions.
b. establish communication.
c. contact the nurse in charge of the patient.
d. attempt to finish the procedure as quickly as possible. - ✔✔b. establish
communication.
, ✔✔The purpose of the surgical hand scrub is to:
1. remove debris and transient microorganisms from the hands, nails, and forearms.
2. destroy infected material.
3. inhibit rapid rebound growth of microorganisms.
a. 1 and 2 b. 1 and 3 c. 2 and 3 d. 1, 2, and 3 - ✔✔b. 1 and 3
✔✔All of the following are true in regard to Foley catheters EXCEPT:
a. this type of catheter is held in place by an inflatable balloon at the end.
b. this type of closed drainage system catheter is used for a long-tern use and sutured
to the skin.
c. this type of catheter is used primarily to empty the bladder.
d. this type of catheter can be made of varying materials such as latex or plastic. - ✔✔a.
this type of catheter is held in place by an inflatable balloon at the end.
✔✔What parts of a gown are considered sterile? 1. sleeves 2. front from the waist up 3.
back from below the waist
a. 1 and 2 b. 1 and 3 c. 2 and 3 d. 1, 2, and 3 - ✔✔a. 1 and 2
1. sleeves 2. front from the waist up
✔✔Neonatal portable radiography requires the most care to maintain asepsis; which
one of the following will best ensure asepsis of the infant?
1. careful attention paid to everything that the radiographer comes in contact with and
proper cleaning protocols followed.
2. hand washing after each patient
3. wiping down the machine before each patient
a. 1 and 2 b. 1 and 3 c. 2 and 3 d. 1, 2, and 3 - ✔✔b. 1 and 3
1. careful attention paid to everything that the radiographer comes in contact with and
proper cleaning protocols followed.
3. wiping down the machine before each patient
✔✔ Microorganisms that cause infectious diseases can be classified as:
a. lytic. b. endogenous. c. pathogenic. d. nosocomial - ✔✔c. pathogenic.
✔✔The best method of preventing the spread of aerosol infections is by: a. the patient
wearing a mask. b. the health care worker wearing a gown. c. hand washing. d. all of
the above - ✔✔a. the patient wearing a mask.
✔✔All of the following are types of indirect transmission EXCEPT:
a. fomite. b. vector. c. aerosol. d. touching. - ✔✔touching.
✔✔The common cold is an example of an infection by a:
a. bacterium. b. virus. c. fungus. d. protozoan - ✔✔b. virus
ANSWERS RATED A+
✔✔The human body has _______ ,________ , and _______ mechanisms that it uses to
fight infection. - ✔✔mechanical, cellular, and chemical
✔✔A pacemaker prevents bradycardia by:
1. sensing the patient's heartbeats.
2. pacing the heart when it does not contract.
3. producing electrical impulses.
a. 1 and 2 b. 1 and 3 c. 2 and 3 d. 1, 2, and 3 - ✔✔d. 1, 2, and 3
1. sensing the patient's heartbeats.
2. pacing the heart when it does not contract.
3. producing electrical impulses.
✔✔What type of catheter is the Foley?
a. retention balloon b. straight c. coiled d. self-cleansing - ✔✔a. retention balloon
✔✔When handling sterile gloves with a nonsterile hand, which of the following is not
considered sterile?
a. outside of the cuff
b. inside of the cuff
c. fingertips of the glove
d. thumb of the glove - ✔✔b. inside of the cuff
✔✔Outside air is prevented from entering the pleural cavity through the chest tube by
the:
a. collection chamber.
b. water seal chamber.
c. suction control chamber.
d. first compartment. - ✔✔b. water seal chamber.
✔✔The goal of good sterile technique is to:
a. protect the health care worker from infection.
b. remove all infected material.
c. protect the patient from infection.
d. remove all viable microorganisms. - ✔✔c. protect the patient from infection.
✔✔The first rule of caring for a tracheostomy patient is:
a. watch for secretions.
b. establish communication.
c. contact the nurse in charge of the patient.
d. attempt to finish the procedure as quickly as possible. - ✔✔b. establish
communication.
, ✔✔The purpose of the surgical hand scrub is to:
1. remove debris and transient microorganisms from the hands, nails, and forearms.
2. destroy infected material.
3. inhibit rapid rebound growth of microorganisms.
a. 1 and 2 b. 1 and 3 c. 2 and 3 d. 1, 2, and 3 - ✔✔b. 1 and 3
✔✔All of the following are true in regard to Foley catheters EXCEPT:
a. this type of catheter is held in place by an inflatable balloon at the end.
b. this type of closed drainage system catheter is used for a long-tern use and sutured
to the skin.
c. this type of catheter is used primarily to empty the bladder.
d. this type of catheter can be made of varying materials such as latex or plastic. - ✔✔a.
this type of catheter is held in place by an inflatable balloon at the end.
✔✔What parts of a gown are considered sterile? 1. sleeves 2. front from the waist up 3.
back from below the waist
a. 1 and 2 b. 1 and 3 c. 2 and 3 d. 1, 2, and 3 - ✔✔a. 1 and 2
1. sleeves 2. front from the waist up
✔✔Neonatal portable radiography requires the most care to maintain asepsis; which
one of the following will best ensure asepsis of the infant?
1. careful attention paid to everything that the radiographer comes in contact with and
proper cleaning protocols followed.
2. hand washing after each patient
3. wiping down the machine before each patient
a. 1 and 2 b. 1 and 3 c. 2 and 3 d. 1, 2, and 3 - ✔✔b. 1 and 3
1. careful attention paid to everything that the radiographer comes in contact with and
proper cleaning protocols followed.
3. wiping down the machine before each patient
✔✔ Microorganisms that cause infectious diseases can be classified as:
a. lytic. b. endogenous. c. pathogenic. d. nosocomial - ✔✔c. pathogenic.
✔✔The best method of preventing the spread of aerosol infections is by: a. the patient
wearing a mask. b. the health care worker wearing a gown. c. hand washing. d. all of
the above - ✔✔a. the patient wearing a mask.
✔✔All of the following are types of indirect transmission EXCEPT:
a. fomite. b. vector. c. aerosol. d. touching. - ✔✔touching.
✔✔The common cold is an example of an infection by a:
a. bacterium. b. virus. c. fungus. d. protozoan - ✔✔b. virus
