Medical Quiz

Musculoskeletal System Quiz

How do pairs of skeletal muscles work together?
A. while one contracts, the other returns to original length
B. both muscles contract at the same time
C. both muscles relax at the same time
D. 1 muscle pulls on the bone and the other pulls on the first muscle

Select your answer:
A  B  C  D  E 


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Other quiz: Body Fluids

Doctors 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