A. Fat emollient
1. A patient pre-
B. Pressure bandage
sents to the emer-
C. Topical antihistamines
gency department
with superficial red- D.Acetic acid
dened welts to
the hands and up- Acetic acid: Application of acetic acid (vinegar) may deactivate the cause of the
per extremities in- stinging pain from certain species of jellyfish.
curred after plac-
ing his hands and
arms into the jelly-
fish tank at the lo-
cal zoo. After irri-
gating the wounds
with normal saline
and removing the
tentacles with for-
ceps, application of
of which of the fol-
lowing will provide
the best pain man-
agement?
2. An older adult A.Blood clots in the urine
patient fell in B.Dysuria
the bathroom last C.Dark brown urine
night and was D.Anuria
found on the floor
by family this morn- Dark brown urine: Prolonged immobilization is a common cause of rhabdomy-
ing. The patient and has large ecchymotic areas
is awake, confused,
, CEN Online Review 3.0 - Pre Exam Questions Correctly Answered.
olysis. The characteristic sign of
rhabdomyolysis is dark brown urine.
, CEN Online Review 3.0 - Pre Exam Questions Correctly Answered.
to the right hip,
leg, and shoulder.
Which of the follow-
ing clinical manifes-
tation will the nurse
anticipate with this
patient?
3. Which of the follow- A.Surgical exploration and debridement
ing interventions B.Application of a topical antibiotic
should be anticipat- C.Soaking the wound in betadine
ed with a pinhole D.Application of ice packs to the wound
wound on the hand
from a high pres- Surgical exploration and debridement: High pressure grease or paint gun
sure paint gun? injuries can be limb threatening. The paint or grease has most likely been in-
jected into the extremity. Such wounds require intravenous antibiotics, tetanus
immunization, and surgical exploration and debridement to remove necrotic
tissue. They are at high risk for anaerobic infection.
4. Which heart block A.First degree
is associated with B.Second degree type II
a lengthening PR C.Third degree
interval until a D.Second degree type I
QRS complex is
dropped? Second degree type I: also known as Wenckebach, is characterized by a
lengthening PR interval until a QRS is dropped.
5. An adult pre- A.Levofloxacin
sents to the emer- B.Doxycycline
gency department C.Ceftriaxone
complaining of a D.Praziquantel
low-grade fever,
malaise, pain in
, CEN Online Review 3.0 - Pre Exam Questions Correctly Answered.
the joints, and Doxycycline: This presentation is consistent with Lyme disease, which is treated
headache for the with oral doxycycline in the early stages of the disease.
past week. The pa-
tient reports hiking
in wooded areas
during a recent va-
cation in the North-
east United States.
Upon physical as-
sessment, a circu-
lar, flat, red rash
with central clear-
ing is noted to the
left scapular area
and local tender-
ness upon palpa-
tion of the left ax-
illary lymph node.
After confirmato-
ry diagnosis, the
emergency nurse
anticipates which
course of pharma-
cologic treatment?
6. A patient arrives A. Severe
with complaints of B.Moderate
shortness of breath C.Slight
and a history of mild tachypnea,
asthma. The as-
sessment reveals