NURS 345 Exam 1 Review Questions
and All Correct Answers 2025-2026
Edition.
Which component of the chain of infection involves the infectious agent leaving the reservoir?
A. Source
B. Portal of Entry
C. Portal of Exit
D. Mode of transmission - Answer Portal of exit
A patient with the respiratory infection influenza contracted the pathogen by which mode of
transmission?
A. Direct Contact
B. Droplet
C. Biological
D. Airborne - Answer Droplet
Suctioning allows entry of infectious agents into which portal of entry?
A. Respiratory tract
B. Blood stream
C. Upper GI tract
D. Mucous membranes - Answer Respiratory tract
A health care-associated infection (HAI) may be acquired under which circumstance?
A. A treatment is received for another condition in the health care setting
B. A health care provider prescribed the incorrect treatment or med
C. A complication from a treatment or medication develops that could have been avoided
D. An infection fails to respond to treatment or at least two different antibiotics - Answer A
treatment is received for another condition in the health care setting.
During which encounters is a patient at risk for acquiring health associated infections (HAIS)?
Select all that apply.
,D. Rehabilitation
E. Neighborhood pharmacy - Answer Dialysis treatment
Outpatient surgery
Provider office visit
The nurse has been splashed in the face with body fluids. In what order will the nurse respond?
- Answer Wash exposed skin, cuts, and needlestick injuries.
Flush splashed areas to the nose and mouth with water.
Irrigate eyes with clean water or saline if available.
Report exposure to immediate supervisor.
A microorganism is considered to be resistant if it can use of --- or more antibiotics. - Answer 2
Which infection control issue contributes to antimicrobial resistance? A. Congested health
settings
B. Patient noncompliance
C. People in urban centers
D. Lack of patient education - Answer Congested health settings
The nurse recognizes which infectious agents as having acquired drug resistance within health
care settings?
Streptococcus pneumoniae (pneumococcus)
Methicillin-resistant Staphylococcus aureus (MRSA)
Vancomycin-resistant Staphylococcus aureus (VRSA)
Vancomycin-resistant enterococci (VRE)
Clostridium difficile (C-Diff)
Staphylococcus aureus (staph infection) - Answer Methicillin-resistant Staphylococcus aureus
(MRSA) Vancomycin-resistant Staphylococcus aureus (VRSA) Vancomycin-resistant enterococci
(VRE)
Clostridium difficile (C-Diff)
A patient infected with which pathogen cannot be treated with antibiotics because the
infectious agent has a protective envelope?
, Which precautions will be implemented for a patient admitted for suspected West Nile virus?
A. Contact
B. Droplet
C.Airborne
D. Standard - Answer Standard
Which patient is considered to be a susceptible host in the chain of infection?
A. 22-year-old undergoing noninvasive treatment for back pain
B. 30-year-old receiving an immunization for hepatitis
C. 70-year-old with diabetes learning about insulin therapy
D. 45-year-old being discharged after minof knee therapy - Answer 70-year-old with diabetes
learning about insulin therapy
Which infections are considered health care-associated infections (HAIS)?
A. Urinary tract infection related to indwelling catheter
B. Pneumonia related to presence of ventilator
C. Wound infection related to surgical incision infection after is acquired as
D. Respiratory infection related to influenza
E. Skin infection related to traumatic injury - Answer Urinary tract infection related to
indwelling catheter
Pneumonia related to presence of ventilator
Wound infection related to surgical incision
Which factor contributed to the development of a health care-acquired respiratory infection in
an ambulatory diabetic patient receiving an intravenous antibiotic?
A. Excessive activity
B. Decreased oxygenation
C. Current comorbidity
D.Incorrect antibiotic - Answer Current comorbidity
Which of these does the nurse recognize as blood Bourne pathogens?
and All Correct Answers 2025-2026
Edition.
Which component of the chain of infection involves the infectious agent leaving the reservoir?
A. Source
B. Portal of Entry
C. Portal of Exit
D. Mode of transmission - Answer Portal of exit
A patient with the respiratory infection influenza contracted the pathogen by which mode of
transmission?
A. Direct Contact
B. Droplet
C. Biological
D. Airborne - Answer Droplet
Suctioning allows entry of infectious agents into which portal of entry?
A. Respiratory tract
B. Blood stream
C. Upper GI tract
D. Mucous membranes - Answer Respiratory tract
A health care-associated infection (HAI) may be acquired under which circumstance?
A. A treatment is received for another condition in the health care setting
B. A health care provider prescribed the incorrect treatment or med
C. A complication from a treatment or medication develops that could have been avoided
D. An infection fails to respond to treatment or at least two different antibiotics - Answer A
treatment is received for another condition in the health care setting.
During which encounters is a patient at risk for acquiring health associated infections (HAIS)?
Select all that apply.
,D. Rehabilitation
E. Neighborhood pharmacy - Answer Dialysis treatment
Outpatient surgery
Provider office visit
The nurse has been splashed in the face with body fluids. In what order will the nurse respond?
- Answer Wash exposed skin, cuts, and needlestick injuries.
Flush splashed areas to the nose and mouth with water.
Irrigate eyes with clean water or saline if available.
Report exposure to immediate supervisor.
A microorganism is considered to be resistant if it can use of --- or more antibiotics. - Answer 2
Which infection control issue contributes to antimicrobial resistance? A. Congested health
settings
B. Patient noncompliance
C. People in urban centers
D. Lack of patient education - Answer Congested health settings
The nurse recognizes which infectious agents as having acquired drug resistance within health
care settings?
Streptococcus pneumoniae (pneumococcus)
Methicillin-resistant Staphylococcus aureus (MRSA)
Vancomycin-resistant Staphylococcus aureus (VRSA)
Vancomycin-resistant enterococci (VRE)
Clostridium difficile (C-Diff)
Staphylococcus aureus (staph infection) - Answer Methicillin-resistant Staphylococcus aureus
(MRSA) Vancomycin-resistant Staphylococcus aureus (VRSA) Vancomycin-resistant enterococci
(VRE)
Clostridium difficile (C-Diff)
A patient infected with which pathogen cannot be treated with antibiotics because the
infectious agent has a protective envelope?
, Which precautions will be implemented for a patient admitted for suspected West Nile virus?
A. Contact
B. Droplet
C.Airborne
D. Standard - Answer Standard
Which patient is considered to be a susceptible host in the chain of infection?
A. 22-year-old undergoing noninvasive treatment for back pain
B. 30-year-old receiving an immunization for hepatitis
C. 70-year-old with diabetes learning about insulin therapy
D. 45-year-old being discharged after minof knee therapy - Answer 70-year-old with diabetes
learning about insulin therapy
Which infections are considered health care-associated infections (HAIS)?
A. Urinary tract infection related to indwelling catheter
B. Pneumonia related to presence of ventilator
C. Wound infection related to surgical incision infection after is acquired as
D. Respiratory infection related to influenza
E. Skin infection related to traumatic injury - Answer Urinary tract infection related to
indwelling catheter
Pneumonia related to presence of ventilator
Wound infection related to surgical incision
Which factor contributed to the development of a health care-acquired respiratory infection in
an ambulatory diabetic patient receiving an intravenous antibiotic?
A. Excessive activity
B. Decreased oxygenation
C. Current comorbidity
D.Incorrect antibiotic - Answer Current comorbidity
Which of these does the nurse recognize as blood Bourne pathogens?
