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PDF Download HESI-A2 A&P MUSCULAR SYSTEM EXAM QUESTIONS Actual Qs and Ans Expert-Verified Explanation
This Exam contains:
-Guarantee passing score -51 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation
Question 1: Antagonists
Answer:
Muscle that produces the opposite movement
example: Biceps and triceps
Question 2: what closes the eye
Answer:
orbicularis oculi
Question 3: Supinators
Answer:
turn the palm upwards or inwards
Question 4: Flexors
Answer:
Tighten to Decrease in angle od the joint
Question 5: Sarcomeres
Answer:
Myofibrils are made up of still smaller units
Question 6: gliding joints
Answer:
bones that move easily over one another relatively flat articulating surfaces.
Examples: joints between carpal and tarsal
Question 7: Cardiac muscle tissue
Answer:
is involuntary striated muscles
Question 8: Synarthroses
Answer:
immovable joints represented by the sutures in the skull
Question 9: Synergists
Answer:
work in cooperation with the primer mover
Question 10: 3 types of muscles
Answer:
Cardiac Smooth Skeletal
Question 11: Ball-Socket-joint
Answer:
one bone has a ball-like convex surface that fits into the concave-shaped socket
Example: shoulder and hip
Question 12: Pronators
Answer:
turn the palm downwards or outwards
Question 13: Intercostal
Answer:
aid respiration
example: Rib cage , thoracic cavity
Question 14: synovial joints
Answer:
includes wrist, elbow, shoulder, ankle, knee and hip
Question 15: what moves the lower leg
Answer:
quadriceps femoris, hamstrings, and satorius
Question 16: Hinge joints
Answer:
synovial joints that allow movement primarily in one direction or plane
example: elbow, knee and ankle
Question 17: What causes the release of calcium ions from the sarcoplasmic reticulum?
Answer:
Nervous stimulation from motor neurons
Question 18: what moves the mandible
Answer:
the temporalis and masseter
Question 19: Irritability
Answer:
(excitability) muscles receive and respond to stimulation
Question 20: what moves the lower arm
Answer:
biceps brachii and triceps brachii
Question 21: what moves the upper leg
Answer:
gluteus maximus
Question 22: Extensors
Answer:
Relax to Increase the angle of a joint
Question 23: Abductors
Answer:
Moving laterally or away from the midline
Question 24: Skeletal muscles
Answer:
striated fibers, are multinucleated (many cell nuclei) and contract and relax quickly. Voluntary muscles, Work in pairs to move various parts of the bones, can be controlled consciously
Question 25: Circumduction
Answer:
Combination of flexion, abduction, extension, and adduction
Question 26: what draws the lips together
Answer:
orbicularis oris
Question 27: Sphincters
Answer:
decrease the size of an opening
Question 28: Depressors
Answer:
make a downward movement
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