The effect of PaO2 and pH on the oxyhemoglobin curve is known as what?
A. Halston effect
B. Haldane effect
C. Bohr effect
D. Severinghaus effect
Answer: C
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Which technique is commonly applied with the practitioner's thumb?
A) Stripping B) Cupping C) Shingles effleurage D) Bilateral tree stroking
When assessing a patient who has been stabbed. Which of the following information should the EMT gain first?
A) Angle at which the knife entered the patient B) Make and model of the knife C) Size and type of the knife D) Owner of the knife
As blood volume is lost due to a traumatic injury, the body's response is to:
A) decrease heart rate and vasoconstrict major veins. B) increase heart rate and decrease systemic vascular resistance. C) decrease heart rate and promote peripheral vasoconstriction. D) increase heart rate and close precapillary arterioles.
Regular aerobic activity improves the efficiency of the heart by
A. decreasing the amount of blood pumped with each cycle. B. improving blood flow. C. increasing the number of capillaries in skeletal muscles. D. strengthening the heart muscle