What do geniohyoid, hyoglossus, and stylohyoid have in common?
A) All names reflect direction of muscle fibers.
B) Each acts synergistically to elevate the jaw.
C) All act on the tongue.
D) All names indicate the relative size of the muscle.
Answer: C
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The Muscular System
- Which of the following muscles does not act in plantar flexion?
- Paralysis of which of the following would make an individual unable to flex the knee?
- Which of the following muscles serves as a common intramuscular injection site, particularly in infants?
- Which of the following muscles is involved in inversion at the ankle joint?
- Which of the following muscles is a flexor of the thigh?
- Which of the following muscles is involved in abduction?
- Adductor magnus, adductor longus, and adductor brevis are parts of a large muscle mass of the ________.
- First-class levers ________.
- Paralysis of which of the following would make an individual unable to flex the thigh?
- To exhale forcibly, one would contract the:
- Tennis players often complain about pain in the arm (forearm) that swings the racquet. What muscle is usually strained under these conditions?
- The extensor digitorum longus has which type of fascicle arrangement?
- In a pennate muscle pattern ________.
- Orbicularis oris ________.
- In flexing the forearm at the elbow, the ________.
- Which of these is not a way of classifying muscles?
- Which generalization concerning movement by skeletal muscles is not true?
- Spasms of this straplike muscle often result in wry neck or torticollis.
- A nursing infant develops a powerful sucking muscle that adults also use for whistling called the ________.
- Which of the following is not a member of the hamstrings?
- A muscle located on the dorsal side of the body is the ________.
- A muscle group that works with and assists the action of a prime mover is a(n) ________.
- Which of the following does not compress the abdomen?
- If a lever operates at a mechanical disadvantage, it means that the ________.