L5 | Alimentary Canal

Q: The …… is composed of the mouth and pharynx, esophagus and stomach, small intestine, large intestine, and anal canal.

A. Accessory Glands

B. Alimentary Canal

C. Respiratory System

D. Vascular System

B. Alimentary Canal

Q: The salivary glands, liver, and pancreas are classified as …… of the digestive system.

A. accessory glands

B. primary organs

C. alimentary canals

D. muscular sphincters

A. accessory glands

Q: The lips, or labia oris, are mostly hairless, except for the front two-thirds of the …… lip.

A. lower

B. lateral

C. upper

D. ventral

C. upper

Q: Some hairs present on the lips are …… hairs.

A. lanugo

B. guard

C. cilia

D. tactile

D. tactile

Q: The ……, a narrow cleft, marks the union of the two halves of the upper lip.

A. philtrum

B. frenulum

C. raphe

D. sulcus

A. philtrum

Q: The lips are supported by the …… muscle and other facial muscles.

A. masseter

B. orbicularis oris

C. temporalis

D. zygomaticus

B. orbicularis oris

Q: There is no distinct …… attaching the lower lip to the gums.

A. philtrum

B. raphe

C. frenulum

D. arch

C. frenulum

Q: The lips are innervated by Cranial Nerve VII – …… Nerve.

A. Trigeminal

B. Vagus

C. Glossopharyngeal

D. Facial

D. Facial

Q: In dogs, the lips are used for communication and ……, but are incapable of food intake.

A. aggression

B. mastication

C. deglutition

D. prehension

A. aggression

Q: General looseness of the lip creates a large …… for administering liquid medicine. A. oral cavity proper B. vestibule C. pharyngeal opening D. piriform recess

B. vestibule

Q: In dogs, the …… are small due to the large mouth opening.

A. lips

B. jaws

C. cheeks

D. palates

C. cheeks

Q: The cheek cavity runs inside the …… muscles.

A. orbicularis oris

B. temporal

C. digastric

D. masseter

D. masseter

Q: The storage function of cheeks is less important in ……

A. dogs

B. horses

C. ruminants

D. rodents

A. dogs