What statement regarding contraction of the heart is true?
A) The two ventricles contract simultaneously, moving blood into the atria.
B) The right atria and ventricle contract together, moving blood to the left side.
C) Both atria contract together just before both ventricles contract.
D) The left ventricle contracts, thus moving blood into the lungs for oxygenation.
C
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Of the precordial leads, which are considered to be the anterior leads?
A. V4, V5, and V6 B. V1, V2, and V3 C. V5 and V6 D. V1, V2, V3, and V4
When assessing a patient for a facial droop, you should:
a. palpate the face one side at a time. b. gently lift and then let go of the skin over the cheeks. c. ask the patient to show you his teeth or to smile. d. observe the patient's ability to turn his head to the right and then to the left.
When you are using a spotter, you should back the ambulance no faster than:
a) 10 mph
b) 5 mph
c) Average walking speed
d) Normal jogging speed
Some medications can currently be delivered on an implanted _______________ that is surgically implanted in a patient and releases the drug or drugs
A. barcode B. chip C. Both A and B D. None of the above