After assisting a patient with the use of an epinephrine auto-injector, you note that the patient's blood pressure has improved. As a knowledgeable EMT, you realize that this has occurred due to epinephrine's ability to:
A) relax the smooth muscle of the blood vessels.
B) constrict blood vessels.
C) increase the number of circulating red blood cells.
D) increase the oxygen-carrying capacity of the red blood cells.
B
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Normal respiratory muscles generally do not fatigue with work less than _________
A. 4 to 6 joules/minute B. 10 to 12 joules/minute C. 15 to 20 joules/minute D. 20 to 25 joules/minute
Which of the following levels of consciousness is used to describe someone who has a decrease in awareness and alertness, rouses briefly in response to stimuli, is unaware of the surroundings, and is unable to perform tasks or return to inactivity when left alone?
A. cloudy consciousness B. lethargy C. obtundation D. stupor
If you are asked about employment difficulties in the past, such as having held many jobs for very short periods of time, the best strategy is to: a. explain that the problems really weren't your fault
b. be prepared with good excuses. c. talk about what you've learned and why the behavior won't happen again. d. ask how the question relates to the job.
Which of the following statements about Neisseria meningitidis is TRUE?
A) The vaccine is recommended for health care workers.
B) It is the bacteria that most often causes serious cases of meningitis.
C) It is responsible for 90 percent of patients with a viral meningitis.
D) Signs and symptoms of infection can take weeks to develop.