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Questions and Answers
What type of muscle assists an agonist by causing a like movement or by stabilizing a joint over which an agonist acts?
What type of muscle assists an agonist by causing a like movement or by stabilizing a joint over which an agonist acts?
- a prime mover
- an antagonist
- an agonist
- a synergist (correct)
Which of the following best describes the orbicularis oris?
Which of the following best describes the orbicularis oris?
- It closes the eye.
- It draws the eyebrows together.
- It closes, purses, and protrudes the lips. (correct)
- It pulls the lower lip down and back.
Which of the following muscles serves as a common intramuscular injection site, particularly in infants as the buttocks and arm muscles are poorly developed?
Which of the following muscles serves as a common intramuscular injection site, particularly in infants as the buttocks and arm muscles are poorly developed?
- the vastus medialis
- the vastus lateralis (correct)
- rectus femoris
- the vastus intermedius
A nursing infant develops a powerful sucking muscle that inserts to the muscle which adults also use for whistling (orbicularis oris). What is this muscle called?
A nursing infant develops a powerful sucking muscle that inserts to the muscle which adults also use for whistling (orbicularis oris). What is this muscle called?
What do the genioglossus, hyoglossus, and styloglossus muscles have in common?
What do the genioglossus, hyoglossus, and styloglossus muscles have in common?
The abnormal protrusion of the small intestine through a weak point in the muscle of the abdominal wall is called a ________.
The abnormal protrusion of the small intestine through a weak point in the muscle of the abdominal wall is called a ________.
What is the muscle that usually provides the major force for producing a specific movement called?
What is the muscle that usually provides the major force for producing a specific movement called?
Which muscle is NOT a member of the hamstrings?
Which muscle is NOT a member of the hamstrings?
What is the muscle that extends the great toe?
What is the muscle that extends the great toe?
Which of the following functions is NOT performed by the external oblique muscles?
Which of the following functions is NOT performed by the external oblique muscles?
What function do the suprahyoid muscles serve?
What function do the suprahyoid muscles serve?
Tennis players often complain about pain in the arm that swings the racquet. Which muscle is usually strained under these conditions?
Tennis players often complain about pain in the arm that swings the racquet. Which muscle is usually strained under these conditions?
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