1) When a motor unit is sufficiently stimulated, all of the muscle fibers in tha
ID: 3507332 • Letter: 1
Question
1) When a motor unit is sufficiently stimulated, all of the muscle fibers in that motor unit will contract.
True or False
2) Based on the name of the muscle pronator teres, what can you tell about it?
Check All That Apply
Its shape
Its action
Its number of muscle heads
Its body region
3) Check all that are a function of skeletal muscle tissue.
Check All That Apply
Regulation of blood pH
Body movement
Maintenance of posture Maintenance of posture
Heat production
Regulating elimination of materials
Protection and support
4) Myotomes in a developing limb are divided into dorsal and ventral muscle masses.
True or False
5) Stand on both feet and bring one foot up to touch the heal of your foot to your buttocks. The hamstring muscles are acting as what?
Synergist
Agonist
Antagonist
6) Place the organizational level of muscle tissue in order, beginning with muscle and ending with the smallest component.
Fascile
Myofilament
myofibril
muscle
muscle fibers
Explanation / Answer
1. When a motor unit is sufficiently stimulated, then all of the muscle fibers in that motor unit will contract. (true)
2. Based on the name of the muscle pronator teres,
Its shape, Its action, Its number of muscle heads (two heads), Its body region can be said.
3. The function of skeletal muscle tissues are:
Body movement, Maintenance of body posture, heat production, regulating the elimination of materials, protection, and support.
4. Myotomes in a developing limb is divided into dorsal and ventral muscle masses. The dorsal region forms the muscle of the neck and the vertebral column and the ventral region forms the muscle of the body wall. (true)
5. While standing on both feet and bringing one foot up to touch the heal of the foot of the buttocks. The hamstring muscles are acting as an agonist.
6. The organizational level of muscle tissue beginning with muscle and ending with the smallest component is as follows:
muscle, fascicle, muscle fibers, myofibril, myofilament.
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