Which of these muscles helps to open the mouth?

A. Zygomaticus major
B. Hyoglossus
C. Depressor anguli oris
D. Sternohyoid
E. Digastric


Answer: E

Anatomy & Physiology

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Indicate whether the statement is true or false

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The superior orbital fissure is formed in the sphenoid bone, whereas the inferior orbital fissure is formed between the sphenoid and ________

A) maxilla B) lacrimal C) palatine D) ethmoid

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The cecum is part of the:

A) small intestine B) large intestine C) esophagus D) mouth

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The sensory and motor impulses of a reflex follow a specific pathway that consists of a sensory receptor sensory neuron, integration center, motor neuron, and effector organ. This pathway is known as a ________

A) muscle spindle B) reflex C) stretch reflex D) reflex arc

Anatomy & Physiology