★ Hazards & Risks Quiz
Harm caused by electricity
A. shock or electrocution
B. slips, falls
C. cuts, wounds
D. silicosis
Select your answer:
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Body Fluids › ViewDoctors use stethoscope to hear the sound; produced during each cardiac cycle. The second sound is heard when
a) AV node receives signal from SA node
b) AV valves open up
c) Ventricular walls vibrate due to gushing of blood from atria
d) Semilunar valves close down after the blood flows into vessels from ventricles
The Brain Our Control Center › View
Damage to the medulla would most likely result in
A. impaired planning abilities
B. death
C. a coma
D. blindness