CEN-PRACTICE QUESTIONS AND ANSWERS
LATEST
The major physiologic insult which occurs in a near drowning victim is which of the following?
a. hypothermia
b. pneumonia
c. dysrhythmia
d. hypoxemia Correct Answer: Hypoxemia
rationale: The central clinical event in all near drowning victims is hypoxia caused by laryngospasm
and asphyxia.
A 40 yr old male involved in a house fire presents to the emergency department with dyspnea, sooty
sputum, and a brassy cough. He is conscious, and 100% oxygen via non-rebreather reservoir mask
is being administered. The priority nursing diagnosis for this patient is?
a. fluid volume deficit
b. impaired gas exchange
c. airway clearance ineffective
d. pain Correct Answer: Airway clearance ineffective
Rationale: Potential for edema and obstruction of the airway. If the airway is not patent, you will be
unable to ventilate and oxygenate the patient.
Management of an orbital blowout fracture includes:
a. pressure eye patch
b. anterior nasal packing for orbital support
c. topical anesthetic
d. Delayed surgical intervention Correct Answer: delayed surgical intervention
rationale: delayed until swelling subsides
A 24 yr old male sustains a high pressure injection injury to his hand from an industrail pain gun
sprayer. THe index finger is discolored and swollen with decreased mobility and numbness distally.
The patient complains of pain throughout the hand and numbness to the first fingertip with decreased
mobility. Priority treatment of the affected hand includes:
a. icing and elevating the extremity
b. soaking the hand in warm saline
c. asking physician to perform a digital block on injured finger
d. Preparing the patient for surgical debridement with possible fasciotomy Correct Answer: Preparing
the patient for debridement with possible fasciotomy
rationale: Immediate treatment to relieve pressure within th edigit is key with an injection injury.
Tissue ischemia and necrosis progress rapidly with swelling and decreased circulation.
A four yr old girl has a 2 day history of a rash. The rash is pruritic was first noted on the neck and has
now spread to the chest and back. THe neck lesions are crusted over, but the chest lesions are tiny
vescicles on a pink base. According to the father, the child is somewhat less active, but had no
, complaints of pain. Vitals: temp 102.4, heart rate 130, rr 24, bp 90/50, and child weighs 36 lbs. THe
child is examined by the doctor, and father requests that she be given something for the itching. The
child is ready for discharge and the father is asking when she can return to school.
a. 24 hours after the last fever above 101
b. tomorrow
c. once all the lesions are crusted
d. in 2 weeks Correct Answer: once all the lesions are crusted
rationale: once all the lesions are crusted, the child is no longer contagious.
You recieve a patient from EMS following an explosion at an industrial plant. The patient has deep
partial-thickness burns to his left arm, his entire chest, and entire left leg. According to the rule of 9's,
which percentage of burn do you calculate?
a. 36%
b. 27%
c. 45%
d. 54% Correct Answer: 45%
rationale: left arm=9%, entire chest=18%, entire left leg=18%
Your state senator is in your ER. One of your staff members is seen discussing his care with a local
reporter. Your institution is most likely to face a lawsuit of which of the following?
a. false imprisonment
b. defamation
c. libel
d. invasion of privacy Correct Answer: invasion of privacy
rationale: involves unwarranted publicity, wrongful intrusion into one'srivte activities, and publicizing
the
Which of the following symptoms may indicate that a patient may have been hit by lightening?
a. unequal pupils
b. hypertension
c. confusion
d. tachypnea Correct Answer: unequal pupils
rationale: may be a sign of serious head injury which may accompany a lightening injury
You have an IV bag of heparin labeled 20 ,000 units in 500 ml d5w. You are to administer at a rate of
1200 units per hr. How many ml's per hour would this be?
a. 40ml/hr
b. 30 ml/hr
c. 12 ml/hr
d. 20 ml/hr Correct Answer: 30 ml/hr
rationale: calculate units/ml 20000 units? 500 ml=40 units per ml. Calculate ml/hr 1200 units/hr? 40
units/ml=30
The mostcommon cause of pelvic inflammatory disease is:
LATEST
The major physiologic insult which occurs in a near drowning victim is which of the following?
a. hypothermia
b. pneumonia
c. dysrhythmia
d. hypoxemia Correct Answer: Hypoxemia
rationale: The central clinical event in all near drowning victims is hypoxia caused by laryngospasm
and asphyxia.
A 40 yr old male involved in a house fire presents to the emergency department with dyspnea, sooty
sputum, and a brassy cough. He is conscious, and 100% oxygen via non-rebreather reservoir mask
is being administered. The priority nursing diagnosis for this patient is?
a. fluid volume deficit
b. impaired gas exchange
c. airway clearance ineffective
d. pain Correct Answer: Airway clearance ineffective
Rationale: Potential for edema and obstruction of the airway. If the airway is not patent, you will be
unable to ventilate and oxygenate the patient.
Management of an orbital blowout fracture includes:
a. pressure eye patch
b. anterior nasal packing for orbital support
c. topical anesthetic
d. Delayed surgical intervention Correct Answer: delayed surgical intervention
rationale: delayed until swelling subsides
A 24 yr old male sustains a high pressure injection injury to his hand from an industrail pain gun
sprayer. THe index finger is discolored and swollen with decreased mobility and numbness distally.
The patient complains of pain throughout the hand and numbness to the first fingertip with decreased
mobility. Priority treatment of the affected hand includes:
a. icing and elevating the extremity
b. soaking the hand in warm saline
c. asking physician to perform a digital block on injured finger
d. Preparing the patient for surgical debridement with possible fasciotomy Correct Answer: Preparing
the patient for debridement with possible fasciotomy
rationale: Immediate treatment to relieve pressure within th edigit is key with an injection injury.
Tissue ischemia and necrosis progress rapidly with swelling and decreased circulation.
A four yr old girl has a 2 day history of a rash. The rash is pruritic was first noted on the neck and has
now spread to the chest and back. THe neck lesions are crusted over, but the chest lesions are tiny
vescicles on a pink base. According to the father, the child is somewhat less active, but had no
, complaints of pain. Vitals: temp 102.4, heart rate 130, rr 24, bp 90/50, and child weighs 36 lbs. THe
child is examined by the doctor, and father requests that she be given something for the itching. The
child is ready for discharge and the father is asking when she can return to school.
a. 24 hours after the last fever above 101
b. tomorrow
c. once all the lesions are crusted
d. in 2 weeks Correct Answer: once all the lesions are crusted
rationale: once all the lesions are crusted, the child is no longer contagious.
You recieve a patient from EMS following an explosion at an industrial plant. The patient has deep
partial-thickness burns to his left arm, his entire chest, and entire left leg. According to the rule of 9's,
which percentage of burn do you calculate?
a. 36%
b. 27%
c. 45%
d. 54% Correct Answer: 45%
rationale: left arm=9%, entire chest=18%, entire left leg=18%
Your state senator is in your ER. One of your staff members is seen discussing his care with a local
reporter. Your institution is most likely to face a lawsuit of which of the following?
a. false imprisonment
b. defamation
c. libel
d. invasion of privacy Correct Answer: invasion of privacy
rationale: involves unwarranted publicity, wrongful intrusion into one'srivte activities, and publicizing
the
Which of the following symptoms may indicate that a patient may have been hit by lightening?
a. unequal pupils
b. hypertension
c. confusion
d. tachypnea Correct Answer: unequal pupils
rationale: may be a sign of serious head injury which may accompany a lightening injury
You have an IV bag of heparin labeled 20 ,000 units in 500 ml d5w. You are to administer at a rate of
1200 units per hr. How many ml's per hour would this be?
a. 40ml/hr
b. 30 ml/hr
c. 12 ml/hr
d. 20 ml/hr Correct Answer: 30 ml/hr
rationale: calculate units/ml 20000 units? 500 ml=40 units per ml. Calculate ml/hr 1200 units/hr? 40
units/ml=30
The mostcommon cause of pelvic inflammatory disease is:
