Medical Quiz

Musculoskeletal System Quiz


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The hip is an example of what joint?

A. saddle

B. ball and socket

C. pivot

D. gliding


What state is the sarcomere in #1
A.     Relaxed
B.     Contracting
C.     Fully Contracted
D.     None of the above


The bone marrow inside your bones makes _______________________ cells.
A. blood
B. cancer
C. large
D. normal


Which muscle is this?
   
A.     Gastrocnemius
   
B.     Gluteus medius
   
C.     Gluteus minimus
   
D.     Gluteus maximus


What is it called where two or more bones connect

A. Joint

B. Tendon

C. ligaments

D. cartilage


Tendons and ligaments are what type of tissue.
A. Muscle
B. Nerve
C. Connective
D. Epithelial


This cartilage is located at the ends of our bones

A. Intervertebral disc

B. Fibrocartilage

C. Hyaline

D. Elastic


A bundle of fascicles best describes a
A. muscle fiber
B. muscle tissue
C. myofibril
D. tendon


What is a crossbridge?
A. Where myosin binds to actin
B. Where the calcium crosses into the cytoplasm
C. Where calcium binds with troponin
D. None of the answers are correct.


The main function of the musculoskeletal system is to…….
A. Provide movement and support for the body
B. protect internal organs
C. provide attachment sites for muscles
D. all of the above


Approximately how many muscles are in our body

A. 600

B. 200

C. 350

D. 12


Skeletal muscles always work _____.
A. in groups
B. in pairs
C. singly
D. none of the above


Toes and fingers are called_______________________.
A. bones
B. carpals
C. tendons
D. phalanges


Moves away from the midline of the body

A. adduction

B. abduction

C. inversion

D. eversion


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


The plasma membrane of a skeletal muscle cell is called the:
A.     sarcomere
B.     myofilament
C.     sarcolemma
D.     sarcoplasm


Which part of the skeletal system protects the spinal cord?

A. pelvis

B. cranium/skull

C. vertebra

D. scapula


Which of the following statements about H zones and I bands is TRUE?
A. the H zones contain only actin, while the I bands contain only myosin
B. the H zones contain only myosin, while the I bands contain both actin and myosin
C. the H zones contain only myosin, while the I bands contain only actin
D. the H zones and the I bands each contain both actin and myosin


In a contracting muscle the Z lines come closer together.
A. TRUE
B. FALSE


What type of tissue is cartilage?

A. Connective

B. Muscular

C. Epithelial

D. Nervous


This tough band of connective tissue connects muscles to bones.

A. ligament

B. tendon

C. cartilage

D. femur


Decreases the angle of a joint

A. pronation

B. supination

C. extension

D. flexion


The wrist and ankle bones are considered what type of joint?

A. ball and socket

B. pivot

C. hinge

D. gliding


Does cartilage contain blood vessels?

A. No

B. Yes

C. Only in hyaline cartilage

D. Only in elastic cartilage


What is the name of the thin filaments in the muscle cell?
A. Actin
B. Myosin
C. Myoglobin
D. Titan




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