The _____ prevents the backflow of blood into the atria when the ventricles contract

AV valves
S/I valves
Aortic valve
SA valves


AV valves

Rationale: The AV valves prevent the backflow of blood into the atria when the ventricles contract; the remaining options are distractors.

Health Professions

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The phrase used to explain that a permanent record of a patient's signature is located in the patient's chart is:

A) rubber-stamp signature. B) release of information. C) signature on file. D) electronic data transmission.

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The rubdown performed historically after physical exercise and a steam bath consisted mainly of:

A) Effleurage techniques B) Vibration techniques C) Superficial friction D) Deep friction

Health Professions

An AED should not be used on a patient:

A) between the ages of 1 and 8 B) located in water C) with an implanted pacemaker D) with any kind of transdermal patch

Health Professions

The function of the stator and rotor assembly is to

a. create a vacuum. b. rotate the anode. c. insulate the anode. d. disrupt the electromagnets of the induction motor.

Health Professions