In the context of cardiac compromise, syncope occurs due to:
A) an increase in vagal tone.
B) a drop in cerebral perfusion.
C) a sudden cardiac dysrhythmia.
D) an acute increase in heart rate.
Answer: B) a drop in cerebral perfusion.
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An EMT has an accurate understanding of the diastolic blood pressure when she tells you that the diastolic pressure:
A) is the pressure in the arteries when the heart is not contracting. B) can be estimated as one-third of the systolic blood pressure. C) can be easily obtained by palpating the blood pressure. D) should always be rounded to the nearest 10.
The ________ part of a long bone is very dense and found on the outside
A. cortical C. bone marrow B. cancellous D. periosteum
When working with children, never tell them:
A) "You don't need this." B) "This will not hurt." C) both A and B. D) neither A nor B.
Write the ratios as fractions. Reduce to lowest terms, if possible. 8 : 6 =
Fill in the blank(s) with the appropriate word(s).