Which of the following is not characteristic of sinus tachycardia?
A. The heart rate is between 100 and 150 beats per minute.
B. The R-R intervals and the P-P intervals are equal and constant.
C. The QRS duration is between 0.10 and 0.16 second.
D. The PR interval is between 0.12 and 0.20 second.
Answer: C
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Microorganisms that are capable of producing disease, such as bacteria and viruses, are called:
a. pathogens. c. germs. b. infections. d. microbes.
Which of the following BEST defines the term "open procedure"?
A. The period of time recognized for a patient's full recovery after surgery; accounts for the materials, services, and procedures that are required for the performance of and recovery from a surgical procedure B. the individual physician who has performed the service or procedure in question, or another physician of the same specialty within the practice who has also performed the E/M service C. ordered to occur at the request of another organization, agency, or company D. An invasive surgical procedure that requires incision through the exterior of the body to access internal organs, structures, or cavities
Sarcopenia is caused by
A) Malnutrition B) Oxidative stress C) Decreased physical activity D) All of these
Currently, the ADA recommendation is that elective radiographs may be taken on the pregnant female
Unnecessary radiographs may be taken only when the female is determined not to be pregnant. a. The first sentence is true. The second sentence is false. b. The first sentence is false. The second sentence is true. c. Both sentences are true d. Both sentences are false.