Which of the following muscles is considered to be a prime mover for mandibular depression against resistance?
a. Digastric
b. Bilateral medial pterygoid
c. Masseter
d. Temporalis
ANS: A
The primary muscle responsible for mandibular depression is the digastric muscle. Gravity has a
great effect on this motion as well.
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Three kinds of gliding joints that are found in the midfoot are the
a. proximal interphalangeal joints, subtalar joint, and transverse tarsal joints. b. intertarsal joints, tarsometatarsal joints, and metatarsophalangeal joints. c. transverse tarsal joints, intertarsal joints, and tarsometatarsal joints. d. transverse tarsal, tarsometatarsal, and metatarsophalangeal joints.
Why should a patient with Guillain-Barré syndrome not be administered succinylcholine before endotracheal intubation?
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