CERTIFIED EMERGENCY NURSE CEN TEST A
PRACICE QUESIONS WITH VERIFIED
SOLUTIONS
A nurse is educating the parent of a child diagnosed with chickenpox. Which of
the following statements made by the parent indicates a need for further
education?
A. "I will give my child aspirin to reduce the fever."
B. "I will keep my child away from their newborn cousin."
C. "We should avoid scratching to prevent skin infections."
D. "I can use calamine lotion to help soothe the itching."
--ANSWER--A. "I will give my child aspirin to reduce the fever."
A 55-year-old female with Alzheimer's disease is being managed in the ER with
acute pyelonephritis. Part of her treatment plan includes donepezil. Which of
the following best describes the mechanism of action of this drug?
A. NMDA antagonist.
B. Selective serotonin reuptake inhibitor.
C. Acetylcholine receptor blocker.
D. Cholinesterase inhibitor.
--ANSWER--D. Cholinesterase inhibitor.
Page 1 of 64
,A 65-year-old female who presents to the ER with Parkinson's disease is
managed with amantadine. Which of the following best describes this drug's
mechanism of action?
A. Dopamine receptor agonist.
B. Acetylcholinesterase inhibitor.
C. NMDA receptor antagonist.
D. MAO-B inhibitor.
--ANSWER--C. NMDA receptor antagonist.
Which of the following is not seen in acute appendicitis?
A. Rebound tenderness.
B. Rovsing's sign.
C. Cullen's sign.
D. Obturator sign.
--ANSWER--C. Cullen's sign.
Which of the following is most necessary in diagnosing acute appendicitis?
A. Abdominal ultrasound scan.
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,B. Clinical evaluation.
C. CT scan of the abdomen.
D. Abdominal X-ray.
--ANSWER--B. Clinical evaluation.
A 48-year-old male presents to the ER following a marathon run. He complains
of severe muscle pain and dark urine. Which of the following laboratory
findings would best support a diagnosis of rhabdomyolysis?
A. Elevated serum creatinine.
B. Reduced serum myoglobin.
C. Elevated serum myoglobin.
D. Reduced serum creatine kinase.
--ANSWER--C. Elevated serum myoglobin.
Which of the following is not a stigmata of chronic liver disease?
A. Testicular atrophy.
B. Finger clubbing.
C. Lanugo hair.
D. Acanthosis nigricans.
--ANSWER--D. Acanthosis nigricans.
Page 3 of 64
, A 25-year-old female who presents to the ER with abdominal pain, fever, chills,
and vomiting demonstrates a positive Murphy's sign. Which of the following
maneuvers best elicit this sign?
A. Palpation of the epigastric region on deep inspiration.
B. Palpation of the right hypochondrium on deep inspiration.
C. Auscultation of the right hypochondrium.
D. Percussion of the right hypochondrium.
--ANSWER--B. Palpation of the right hypochondrium on deep inspiration.
A patient with a peritonsillar abscess will likely have which of these?
A. Stridor.
B. Wheezing.
C. Whooping cough.
D. Hot potato voice.
--ANSWER--D. Hot potato voice.
A patient who presents to the ER with anterior epistaxis secondary to drying of
the mucosa from extreme weather is being managed with silver nitrate. Which
of the following options best describes the action of silver nitrate?
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PRACICE QUESIONS WITH VERIFIED
SOLUTIONS
A nurse is educating the parent of a child diagnosed with chickenpox. Which of
the following statements made by the parent indicates a need for further
education?
A. "I will give my child aspirin to reduce the fever."
B. "I will keep my child away from their newborn cousin."
C. "We should avoid scratching to prevent skin infections."
D. "I can use calamine lotion to help soothe the itching."
--ANSWER--A. "I will give my child aspirin to reduce the fever."
A 55-year-old female with Alzheimer's disease is being managed in the ER with
acute pyelonephritis. Part of her treatment plan includes donepezil. Which of
the following best describes the mechanism of action of this drug?
A. NMDA antagonist.
B. Selective serotonin reuptake inhibitor.
C. Acetylcholine receptor blocker.
D. Cholinesterase inhibitor.
--ANSWER--D. Cholinesterase inhibitor.
Page 1 of 64
,A 65-year-old female who presents to the ER with Parkinson's disease is
managed with amantadine. Which of the following best describes this drug's
mechanism of action?
A. Dopamine receptor agonist.
B. Acetylcholinesterase inhibitor.
C. NMDA receptor antagonist.
D. MAO-B inhibitor.
--ANSWER--C. NMDA receptor antagonist.
Which of the following is not seen in acute appendicitis?
A. Rebound tenderness.
B. Rovsing's sign.
C. Cullen's sign.
D. Obturator sign.
--ANSWER--C. Cullen's sign.
Which of the following is most necessary in diagnosing acute appendicitis?
A. Abdominal ultrasound scan.
Page 2 of 64
,B. Clinical evaluation.
C. CT scan of the abdomen.
D. Abdominal X-ray.
--ANSWER--B. Clinical evaluation.
A 48-year-old male presents to the ER following a marathon run. He complains
of severe muscle pain and dark urine. Which of the following laboratory
findings would best support a diagnosis of rhabdomyolysis?
A. Elevated serum creatinine.
B. Reduced serum myoglobin.
C. Elevated serum myoglobin.
D. Reduced serum creatine kinase.
--ANSWER--C. Elevated serum myoglobin.
Which of the following is not a stigmata of chronic liver disease?
A. Testicular atrophy.
B. Finger clubbing.
C. Lanugo hair.
D. Acanthosis nigricans.
--ANSWER--D. Acanthosis nigricans.
Page 3 of 64
, A 25-year-old female who presents to the ER with abdominal pain, fever, chills,
and vomiting demonstrates a positive Murphy's sign. Which of the following
maneuvers best elicit this sign?
A. Palpation of the epigastric region on deep inspiration.
B. Palpation of the right hypochondrium on deep inspiration.
C. Auscultation of the right hypochondrium.
D. Percussion of the right hypochondrium.
--ANSWER--B. Palpation of the right hypochondrium on deep inspiration.
A patient with a peritonsillar abscess will likely have which of these?
A. Stridor.
B. Wheezing.
C. Whooping cough.
D. Hot potato voice.
--ANSWER--D. Hot potato voice.
A patient who presents to the ER with anterior epistaxis secondary to drying of
the mucosa from extreme weather is being managed with silver nitrate. Which
of the following options best describes the action of silver nitrate?
Page 4 of 64
