HESI-A2 AP MUSCULAR SYSTEM EXAM QUESTIONS

PDF Download HESI-A2 A&P MUSCULAR SYSTEM EXAM QUESTIONS Qs and Ans Expert- Explanation

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-Guarantee passing score -51 Questions and Answers -format set of multiple-choice -Expert- 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