ESTUDYR
NPN 105 EXAM 1 UPDATED EXAM WITH MOST TESTED
QUESTIONS AND ANSWERS | GRADED A+ | ASSURED
SUCCESS WITH DETAILED RATIONALES
A patient has a viral infection. Which statement is correct?
A. “You will need to take an antibiotic to kill the virus.”
B. ✔ “The virus can only multiply inside the body.”
C. “The virus normally lives in the body.”
D. “You will most likely have to take several medications.”
Rationale: Viruses require host cells to replicate — they cannot reproduce independently.
A lab report shows the infecting bacterium is gram-negative. How should the nurse interpret
this?
A. ✔ The bacteria turned pink during the Gram stain.
B. The bacterium is a vector.
C. The bacterium is really a virus.
D. The bacteria are sphere-shaped.
Rationale: Gram-negative bacteria do not retain crystal violet and appear pink/red after
counterstain.
Which patient most likely has a secondary infection?
A. Small child with primary meningitis
B. Male with a single wound infection
C. Older adult with pneumonia receiving antibiotics
D. ✔ Female on antibiotics who then developed a yeast infection.
Rationale: Secondary infections (e.g., candidiasis) can follow antibiotic disruption of normal
flora.
Checking a patient’s WBC and lymphocyte counts assesses which line of defense?
A. Primary
B. Secondary
C. ✔ Tertiary
D. Quaternary
Rationale: (Note: your answer keyed “tertiary”; many texts call immunity innate/adaptive —
WBCs/lymphocytes are adaptive/tertiary per your source.)
For a viral infection, what essential action prevents spread?
A. Identify patient with two identifiers
,ESTUDYR
B. ✔ Wash hands before and after care
C. Use sterile technique
D. Take temperature frequently
Rationale: Hand hygiene is the single most effective measure to prevent transmission.
The nurse must use an N95 respirator. What should they do?
A. Share the mask with staff
B. Use the mask on the isolation cart
C. ✔ Be personally fitted for the mask
D. Make sure a small area of the mask is loose
Rationale: N95s require individual fit testing for proper seal and protection.
Caring for a patient with tuberculosis requires which precaution?
A. Wear mask and gown only
B. Leave the door open
C. ✔ Use an airborne infection isolation room
D. Reuse gloves as needed
Rationale: TB is transmitted by airborne particles; negative-pressure room is required.
Patient with influenza: which action should nurse take?
A. ✔ Wear a mask when taking vital signs
B. Stand at least 2 feet away
C. Throw used tissue in the trash without hand hygiene
D. Apply gown for bathing
Rationale: Influenza spreads by droplets — mask and hand hygiene protect caregiver.
Which UAP action requires intervention for patients on transmission precautions?
A. UAP wears N95 for chickenpox patient
B. UAP leaves disposable BP cuff in droplet room
C. UAP pulls curtain in semi-private room for droplet patient
D. ✔ UAP dons only gloves to provide bath for contact precaution patient
Rationale: Contact precautions require gown + gloves for adequate protection against contact
pathogens.
When handwashing before caring for droplet-precaution patient, which technique?
A. ✔ Rinse hands with fingers pointing downward
B. Turn faucet off with dry hand
C. Wash for at least 10 seconds
D. Use bar soap only
Rationale: Rinsing with fingers down prevents water from running toward clean wrists/arms.
, ESTUDYR
Applying a mask before entering a transmission-precautions room — which action?
A. Bring lower ties up on the head
B. ✔ Straighten the flexible band across the bridge of the nose
C. Pull the mask underneath the chin
D. Tie lower ties at the neck first
Rationale: Proper fit includes molding the nosepiece to minimize leaks.
When donning gloves with PPE, the nurse should:
A. ✔ Place the gloves over the sleeves of the gown
B. Put the first glove on the dominant hand only
C. Expose a slight area of the wrists
D. Double-glove routinely
Rationale: Glove cuffs go over gown cuffs to maintain barrier integrity.
Where should PPE be removed after care?
A. Just outside patient’s door
B. ✔ Just inside the patient's room
C. In hallway
D. In nursing lounge
Rationale: Remove PPE inside room to contain contaminants and then perform hand hygiene
before exiting.
Right-handed nurse removing gloves — correct method?
A. Remove right glove first
B. Hold removed glove in left hand
C. ✔ Slide fingers of ungloved hand under glove of right hand
D. Touch outside of gloved dominant hand with left bare fingers
Rationale: This technique reduces contamination by inverting glove when removed.
No soap/clean water for surgical scrub — using alcohol rub: what to do?
A. Place 3 mL of gel in palm
B. ✔ Rub hands with hand gel until dry (adequate contact time)
C. Dip fingertips into gel for 3 seconds
D. Rub gel down from elbow to wrist
Rationale: Alcohol rub must be applied and rubbed until dry for effective antisepsis.
Patient with MRSA — which medication likely on MAR?
A. Penicillin
B. ✔ Vancomycin
C. Acyclovir
NPN 105 EXAM 1 UPDATED EXAM WITH MOST TESTED
QUESTIONS AND ANSWERS | GRADED A+ | ASSURED
SUCCESS WITH DETAILED RATIONALES
A patient has a viral infection. Which statement is correct?
A. “You will need to take an antibiotic to kill the virus.”
B. ✔ “The virus can only multiply inside the body.”
C. “The virus normally lives in the body.”
D. “You will most likely have to take several medications.”
Rationale: Viruses require host cells to replicate — they cannot reproduce independently.
A lab report shows the infecting bacterium is gram-negative. How should the nurse interpret
this?
A. ✔ The bacteria turned pink during the Gram stain.
B. The bacterium is a vector.
C. The bacterium is really a virus.
D. The bacteria are sphere-shaped.
Rationale: Gram-negative bacteria do not retain crystal violet and appear pink/red after
counterstain.
Which patient most likely has a secondary infection?
A. Small child with primary meningitis
B. Male with a single wound infection
C. Older adult with pneumonia receiving antibiotics
D. ✔ Female on antibiotics who then developed a yeast infection.
Rationale: Secondary infections (e.g., candidiasis) can follow antibiotic disruption of normal
flora.
Checking a patient’s WBC and lymphocyte counts assesses which line of defense?
A. Primary
B. Secondary
C. ✔ Tertiary
D. Quaternary
Rationale: (Note: your answer keyed “tertiary”; many texts call immunity innate/adaptive —
WBCs/lymphocytes are adaptive/tertiary per your source.)
For a viral infection, what essential action prevents spread?
A. Identify patient with two identifiers
,ESTUDYR
B. ✔ Wash hands before and after care
C. Use sterile technique
D. Take temperature frequently
Rationale: Hand hygiene is the single most effective measure to prevent transmission.
The nurse must use an N95 respirator. What should they do?
A. Share the mask with staff
B. Use the mask on the isolation cart
C. ✔ Be personally fitted for the mask
D. Make sure a small area of the mask is loose
Rationale: N95s require individual fit testing for proper seal and protection.
Caring for a patient with tuberculosis requires which precaution?
A. Wear mask and gown only
B. Leave the door open
C. ✔ Use an airborne infection isolation room
D. Reuse gloves as needed
Rationale: TB is transmitted by airborne particles; negative-pressure room is required.
Patient with influenza: which action should nurse take?
A. ✔ Wear a mask when taking vital signs
B. Stand at least 2 feet away
C. Throw used tissue in the trash without hand hygiene
D. Apply gown for bathing
Rationale: Influenza spreads by droplets — mask and hand hygiene protect caregiver.
Which UAP action requires intervention for patients on transmission precautions?
A. UAP wears N95 for chickenpox patient
B. UAP leaves disposable BP cuff in droplet room
C. UAP pulls curtain in semi-private room for droplet patient
D. ✔ UAP dons only gloves to provide bath for contact precaution patient
Rationale: Contact precautions require gown + gloves for adequate protection against contact
pathogens.
When handwashing before caring for droplet-precaution patient, which technique?
A. ✔ Rinse hands with fingers pointing downward
B. Turn faucet off with dry hand
C. Wash for at least 10 seconds
D. Use bar soap only
Rationale: Rinsing with fingers down prevents water from running toward clean wrists/arms.
, ESTUDYR
Applying a mask before entering a transmission-precautions room — which action?
A. Bring lower ties up on the head
B. ✔ Straighten the flexible band across the bridge of the nose
C. Pull the mask underneath the chin
D. Tie lower ties at the neck first
Rationale: Proper fit includes molding the nosepiece to minimize leaks.
When donning gloves with PPE, the nurse should:
A. ✔ Place the gloves over the sleeves of the gown
B. Put the first glove on the dominant hand only
C. Expose a slight area of the wrists
D. Double-glove routinely
Rationale: Glove cuffs go over gown cuffs to maintain barrier integrity.
Where should PPE be removed after care?
A. Just outside patient’s door
B. ✔ Just inside the patient's room
C. In hallway
D. In nursing lounge
Rationale: Remove PPE inside room to contain contaminants and then perform hand hygiene
before exiting.
Right-handed nurse removing gloves — correct method?
A. Remove right glove first
B. Hold removed glove in left hand
C. ✔ Slide fingers of ungloved hand under glove of right hand
D. Touch outside of gloved dominant hand with left bare fingers
Rationale: This technique reduces contamination by inverting glove when removed.
No soap/clean water for surgical scrub — using alcohol rub: what to do?
A. Place 3 mL of gel in palm
B. ✔ Rub hands with hand gel until dry (adequate contact time)
C. Dip fingertips into gel for 3 seconds
D. Rub gel down from elbow to wrist
Rationale: Alcohol rub must be applied and rubbed until dry for effective antisepsis.
Patient with MRSA — which medication likely on MAR?
A. Penicillin
B. ✔ Vancomycin
C. Acyclovir
