Which of the following statements regarding the hangman's fracture is correct?
A) Hangman's fractures occur when the patient's skull rapidly accelerates.
B) Most hangman's fractures occur during a fall from greater than 10 feet.
C) It is a fracture of C2 that is secondary to significant distraction of the neck.
D) Severe hyperflexion of the neck commonly results in a hangman's fracture.
Answer: C) It is a fracture of C2 that is secondary to significant distraction of the neck.
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The muscle found in the walls of most hollow organs of the body is
A) smooth muscle. B) involuntary striated muscle. C) skeletal muscle. D) cardiac muscle. E) voluntary striated muscle.
What structure is also known as the "voice box"?
A. Larynx B. Pharynx C. Esophagus D. Bronchus E. Trachea
What are the divisions and functions of the muscular system?
A) The axial division support and position the axial skeleton and the appendicular division support and move the limbs. B) The axial division support and move the limbs and the appendicular division support and position the appendicular skeleton. C) The axial division support and move the head, neck, arms, and trunk and the appendicular division support and move the legs. D) The axial division support and move the legs and the appendicular division support and move the head, neck, arms, and trunk. E) The axial division support and position the head and neck and the appendicular division support and move the trunk and limbs.
Smooth muscle is regulated by all of the following except
A. hormones. B. the autonomic nervous system. C. the somatic nervous system. D. prostaglandins. E. neurotransmitters.