Which muscle forms the floor of the mouth?

A. Mylohyoid
B. Omohyoid
C. Genioglossus
D. Digastric
E. Hyoglossus


Answer: A

Anatomy & Physiology

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a. external influences b. local changes in the digestive tract c. intrinsic nerve plexus d. extrinsic autonomic nerves e. gastrointestinal hormones

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The sarcomere lies within the boundaries of which of these structures?

a. A bands b. H bands c. I bands d. sarcoplasmic reticulum e. Z lines

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Dermatomal maps are important clinically because they

A. can be used to check for motor function. B. locate the position of cranial nerves. C. can be used to help locate nerve damage. D. indicate what muscles are innervated by each spinal nerve. E. can be used to detect cranial nerve damage.

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Which hormone(s) is released by heart muscle in response to excessive chamber volume?

A) ADH B) aldosterone C) PTH D) acetylcholine E) natriuretic peptides

Anatomy & Physiology