The muscle that retracts the lips vertically is the
A) risorius.
B) buccinator.
C) depressor anguli oris.
D) a & b
E) a & c
D
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Which of the following is NOT a general safety measure?
A. Use handrails when using stairways. B. File cabinets should be mounted against the walls to avoid accidental tipping when a heavy top drawer is open. C. Run, never walk, in a medical office. If an emergency situation occurs, move as quickly as possible. D. Open doors carefully to avoid injuring someone on the other side.
Medical command has asked that you obtain orthostatic vital signs for a 54-year-old female complaining of dizziness and weakness. Her baseline vitals obtained while she was sitting in a chair were: pulse 84, respirations 26, blood pressure 118/62 mmHg, and SpO2 95%. Which one of the following would indicate that the patient has a positive orthostatic test?
A) Supine blood pressure of 100/64 mmHg and respirations of 22 B) Standing blood pressure of 92/54 and heart rate of 106 C) Standing pulse of 88 with the additional complaint of nausea D) Standing SpO2 88% and heart rate of 96 beats per minute
Which of the following conditions is an indication for application of noninvasive ventilation (NIV)?
a. The patient requires low concentrations of supplemental O2. b. The patient cannot swallow without the risk of aspiration. c. The patient's peak cough flows are less than 3 L/sec. d. Because of facial trauma, an airtight mask seal is impossible.
Which of the following is indicative of myocardial injury?
A) ST depression B) Significant Q wave C) Inverted T wave D) ST elevation