Massage and Bodywork Licensing Examination MBLEx Test Anatomy and Physiology Questions and Answers 3

Question 1

During which phase of the cardiac cycle does blood flow from the atria into the ventricles?

Accepted Answer

Diastole

Answer

During diastole the heart muscle relaxes, allowing the ventricles to fill with blood from the atria through the open atrioventricular valves.

Question 2

Which dermatome level corresponds to the sensation at the umbilicus?

Accepted Answer

T10

Answer

The T10 dermatome provides sensory innervation to the skin around the umbilicus (navel), which is a key clinical landmark.

Question 3

The piriformis muscle originates from which bony structure?

Accepted Answer

Anterior surface of the sacrum

Answer

The piriformis originates from the anterior surface of the sacrum and passes through the greater sciatic notch to insert on the greater trochanter of the femur.

Question 4

Which type of muscle tissue is found in the walls of blood vessels and the digestive tract?

Accepted Answer

Smooth muscle

Answer

Smooth muscle is involuntary, non-striated muscle tissue found in the walls of hollow organs including blood vessels, the GI tract, and the bladder.

Question 5

What is the primary action of the quadratus lumborum muscle?

Accepted Answer

Lateral flexion of the trunk

Answer

The quadratus lumborum primarily performs lateral flexion of the lumbar spine and also assists in stabilizing the 12th rib during respiration.

Massage and Bodywork Licensing Examination Practice Test

Massage and Bodywork Licensing Examination Practice Test

Massage and Bodywork Licensing Examination MBLEx Test Anatomy and Physiology Questions and Answers 3