CEN Practice Exam 1 Questions with Verified
Correct Answers
A. The use of supplemental oxygen in normoxic patients has not been established. In
patients with potential coronary artery syndrome, withholding of additional
supplemental oxygen should be considered for those in the prehospital or in-patient
hospital setting and the emergency department.
A patient presents to the emergency department with chest pain and diaphoresis, and denies
dyspnea. Vital signs are BP 148/70 mm Hg, HR 72 beats/minute, RR 18 breaths/minute,
Sp02 98% on room air. Breath sounds are clear and equal. rlhe electrocardiogram shows an
inferior wall ST segment elevation. You anticipate the following oxygen order.
A. No supplemental oxygen at this time
B. Nasal cannula at 6 L per minute
C. Partial rebreather mask at 10 L per minute
D. Nonrebreather mask at 15 L per minute
C. Chest pain that radiates to both shoulders has a likelihood ratio of 7.1, and pain that
radiates to the right shoulder has a stronger likelihood ratio of 2.9 of predicting acute
COronary syndro compared with pain that radiates only to the left shoulder.
A patient complains of chest pain, dyspnea, and diaphoresis. Which of the following
assessment factors would indicate a possible diagnosis of acute coronary syndrome?
A. Pleuritic chest pain
B. Positional chest pain
C. Chest pain that radiates to the shoulders, with pain in the right shoulder worse than pain in
the left shoulder
D. Pain reproducible with chest wall palpation
Correct Answers
A. The use of supplemental oxygen in normoxic patients has not been established. In
patients with potential coronary artery syndrome, withholding of additional
supplemental oxygen should be considered for those in the prehospital or in-patient
hospital setting and the emergency department.
A patient presents to the emergency department with chest pain and diaphoresis, and denies
dyspnea. Vital signs are BP 148/70 mm Hg, HR 72 beats/minute, RR 18 breaths/minute,
Sp02 98% on room air. Breath sounds are clear and equal. rlhe electrocardiogram shows an
inferior wall ST segment elevation. You anticipate the following oxygen order.
A. No supplemental oxygen at this time
B. Nasal cannula at 6 L per minute
C. Partial rebreather mask at 10 L per minute
D. Nonrebreather mask at 15 L per minute
C. Chest pain that radiates to both shoulders has a likelihood ratio of 7.1, and pain that
radiates to the right shoulder has a stronger likelihood ratio of 2.9 of predicting acute
COronary syndro compared with pain that radiates only to the left shoulder.
A patient complains of chest pain, dyspnea, and diaphoresis. Which of the following
assessment factors would indicate a possible diagnosis of acute coronary syndrome?
A. Pleuritic chest pain
B. Positional chest pain
C. Chest pain that radiates to the shoulders, with pain in the right shoulder worse than pain in
the left shoulder
D. Pain reproducible with chest wall palpation
