Certified emergenCy nurse (Cen) exam Q-Bank –
aCtual Questions & CorreCt solutions for
guaranteed Pass 2025/2026
◉ airborne precautions - negative pressure room, N-95 mask
(TB, pertussis, influenza)
◉ droplet precautions - surgical mask (meningitis, pertussis)
◉ contact precautions - gloves and gowns, single use equipment
◉ varicella precautions - contact and airborne
◉ measles precautions - contact and airborne
◉ rubella precautions - contact and airborne
◉ small pox precautions - contact and airborne
◉ measles (rubeola) - incubation period of 8-12 days
cough, conjunctivitis, rhinitis
,***Koplik spots rash
tx: supportive care
◉ mumps (parotitis) - contagious 16-18 days
swelling of salivary glands leads to airway compromise.
complication is orchitis and infertility
◉ rubella - contagious for up to a week prior to symptoms and a week after rash
complication of birth defects and arthritis
◉ pertussis - contagious for 7-10 days.
limits ability to clear respiratory tract of secretions
3 stages:
1) catarrhal- rhinitis, sneezing, low grade fever
2) paroxysmal- whooping cough, petechial rash
above nipple line
3) convalescent- gradual recovery
,treatment is macrolide antibiotics and antitussives
◉ chicken pox - infectious for 48 hours after rash appears, contagious until all skin
lesions are crusted over
treatment is antivirals, antihistamines and antipyretics.
****NO NSAIDs, associated with reye's syndrome
◉ diptheria - incubation is 1-8 days
sore throat; low grade fever; thick & grey membranous covering on tonsils and
pharynx; orchitis
complications are airway obstruction, myocarditis and infertility
TX: erythromycin stat
◉ mononucleosis - epstein barr virus, spread by body fluids (esp saliva)
, lymphadenopathy, fatigue, myalgia, abdominal pain
complications: splenomegaly and hepatomegaly
***no contact sports, risk for splenic rupture
DX: monospot
tx: supportive
◉ tuberculosis tx - 6 months of combination antibiotic therapy (rifampin and
isoniazid)
◉ rifampin considerations - bright yellow body fluids (no contacts)
◉ avulsed tooth - preserve tooth by placing back in socket or between cheek/gum
or under tongue IF PT IS ALERT AND ORIENTED.
if altered LOC, place tooth in milk or calcium based solution and replant within 6
hours
◉ lip lac - consider expert consult if through the vermillion border
◉ Bell's Palsy - unilateral facial paralysis r/t inflammation of cranial nerve 7
aCtual Questions & CorreCt solutions for
guaranteed Pass 2025/2026
◉ airborne precautions - negative pressure room, N-95 mask
(TB, pertussis, influenza)
◉ droplet precautions - surgical mask (meningitis, pertussis)
◉ contact precautions - gloves and gowns, single use equipment
◉ varicella precautions - contact and airborne
◉ measles precautions - contact and airborne
◉ rubella precautions - contact and airborne
◉ small pox precautions - contact and airborne
◉ measles (rubeola) - incubation period of 8-12 days
cough, conjunctivitis, rhinitis
,***Koplik spots rash
tx: supportive care
◉ mumps (parotitis) - contagious 16-18 days
swelling of salivary glands leads to airway compromise.
complication is orchitis and infertility
◉ rubella - contagious for up to a week prior to symptoms and a week after rash
complication of birth defects and arthritis
◉ pertussis - contagious for 7-10 days.
limits ability to clear respiratory tract of secretions
3 stages:
1) catarrhal- rhinitis, sneezing, low grade fever
2) paroxysmal- whooping cough, petechial rash
above nipple line
3) convalescent- gradual recovery
,treatment is macrolide antibiotics and antitussives
◉ chicken pox - infectious for 48 hours after rash appears, contagious until all skin
lesions are crusted over
treatment is antivirals, antihistamines and antipyretics.
****NO NSAIDs, associated with reye's syndrome
◉ diptheria - incubation is 1-8 days
sore throat; low grade fever; thick & grey membranous covering on tonsils and
pharynx; orchitis
complications are airway obstruction, myocarditis and infertility
TX: erythromycin stat
◉ mononucleosis - epstein barr virus, spread by body fluids (esp saliva)
, lymphadenopathy, fatigue, myalgia, abdominal pain
complications: splenomegaly and hepatomegaly
***no contact sports, risk for splenic rupture
DX: monospot
tx: supportive
◉ tuberculosis tx - 6 months of combination antibiotic therapy (rifampin and
isoniazid)
◉ rifampin considerations - bright yellow body fluids (no contacts)
◉ avulsed tooth - preserve tooth by placing back in socket or between cheek/gum
or under tongue IF PT IS ALERT AND ORIENTED.
if altered LOC, place tooth in milk or calcium based solution and replant within 6
hours
◉ lip lac - consider expert consult if through the vermillion border
◉ Bell's Palsy - unilateral facial paralysis r/t inflammation of cranial nerve 7
