Blood that is ejected from the right ventricle:
A. enters the systemic circulation.
B. flows into the pulmonary arteries.
C. has a high concentration of oxygen.
D. was received directly from the aorta.
Answer: B. flows into the pulmonary arteries.
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You have assisted the patient in taking one of his nitroglycerin tablets due to cardiac-type chest pain. Five minutes later, you note the patient's blood pressure is 108/74 mmHg. To determine if the nitroglycerin has affected the blood pressure, the EMT should:
A) Take another blood pressure measurement in five minutes B) Compare this finding to the baseline blood pressure C) Ask the patient if he feels his blood pressure has changed D) Retake the blood pressure and compare it to a normal BP of 120/80 mmHg
The ability to resist infection and disease through the activation of specific defenses is known as:
A. immune response B. immunity C. hypersensitivity D. tolerance
Select an ICD-9-CM code for Chignon
Patients requiring frequent finger sticks, such as diabetic patients, should be reminded to ____.
A. rotate their sites B. always use the same site C. never use the same site more than once a week D. never use the same site more than once a month