The ________ is responsible for initiating the heartbeat
a. SA node
b. AV node
c. sinoatrial node
d. none of the above
a
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A patient has called 911 for abdominal pain and generalized weakness. On arrival you note that the patient's skin is a yellow-orange color. Which one of the following diseases revealed to you during the history would best correlate to this patient's skin?
A) Lung cancer B) Stroke C) Liver disease D) Diabetes
Which of the following is a true statement about the delivery of warm, humidified gas to the lungs?
a. The gas delivered to the nose or mouth contains 95% relative humidity and has an absolute humidity of 28 mg/L to 34 mg/L at 29° C to 32° C. b. The gas delivered to the hypopharynx contains 50% relative humidity and has an absolute humidity level of 10 mg/L at 22° C. c. The gas delivered to the midtrachea con-tains 50% relative humidity and has an absolute humidity level of 36 mg/L to 40 mg/L at 31° C to 35° C. d. The gas delivered to the midtrachea con-tains 100% relative humidity and has an absolute humidity level of 36 mg/L to 40 mg/L at 31° C to 35° C.
Which of the following terms describes the use of a combination of anesthetic drugs to reduce adverse events?
a. balanced anesthesia b. general anesthesia c. moderate sedation d. local anesthesia
A medical assistant who stands facing the patient and holds her arms at her sides while she converses with the patient is demonstrating ________.
A. an open posture B. an anxious feeling C. assertiveness D. passive listening E. aggressiveness