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Exam 10: The Muscular System

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Question 21

Multiple Choice

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Paralysis of which of the following would make an individual unable to flex the thigh?

A) soleus
B) vastus medialis
C) iliopsoas and rectus femoris
D) biceps femoris

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Question 22

Multiple Choice

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Which of the following muscles is involved in crossing one leg over the other while in a sitting position?

A) the gastrocnemius
B) the sartorius
C) the quadriceps femoris
D) all of the hamstrings

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Question 23

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The major head flexors are the sternocleidomastoid muscles, with the help of the muscles attached to the hyoid bone.

The patient has a stroke and has weakness on his right side. How will the weakness affect his ability to swallow?

Figure 10.1Using Figure 10.1, match the following: -Bodybuilders are known for their "great quads." Describe the quadriceps muscles.

Figure 10.2Using Figure 10.2, match the following: -Sternocleidomastoid

The most powerful muscle in the body is the _ .

Figure 10.3Using Figure 10.3, match the following: -The latissimus dorsi.

Figure 10.1Using Figure 10.1, match the following: -First- class lever.

Tennis players often complain about pain in the arm (forearm) that swings the racquet. What muscle is usually strained under these conditions?

Figure 10.2Using Figure 10.2, match the following: -Pectoralis minor.

Figure 10.1Using Figure 10.1, match the following: -Atlanto- occipital joint.

Which of the following muscles fixes and depresses the ribs and stabilizes the pelvis during walking?

What are the levers that operate at a mechanical advantage called?

If a lever operates at a mechanical disadvantage, it means that the .

What are the components of a lever system? Describe the role of each component.

The broadest muscle of the back is the latissimus dorsi.

Figure 10.1Using Figure 10.1, match the following: -The extends the great toe.

The helps keep food between the grinding surfaces of the teeth during chewing.

Figure 10.3Using Figure 10.3, match the following: -Retract scapula.