Musculoskeletal System Quiz
The hip is an example of what joint?
B. ball and socket
What state is the sarcomere in #1
C. Fully Contracted
D. None of the above
The bone marrow inside your bones makes _______________________ cells.
Which muscle is this?
B. Gluteus medius
C. Gluteus minimus
D. Gluteus maximus
What is it called where two or more bones connect
Tendons and ligaments are what type of tissue.
This cartilage is located at the ends of our bones
A. Intervertebral disc
A bundle of fascicles best describes a
A. muscle fiber
B. muscle tissue
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
Skeletal muscles always work _____.
A. in groups
B. in pairs
D. none of the above
Toes and fingers are called_______________________.
Moves away from the midline of the body
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:
Which part of the skeletal system protects the spinal cord?
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.
What type of tissue is cartilage?
This tough band of connective tissue connects muscles to bones.
Decreases the angle of a joint
The wrist and ankle bones are considered what type of joint?
A. ball and socket
Does cartilage contain blood vessels?
C. Only in hyaline cartilage
D. Only in elastic cartilage
What is the name of the thin filaments in the muscle cell?
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