Digestive System - Part 1 Review 10/16

Prehension is a term referring to:

• How an animal gathers food

• Eating feed or forage

• Chewing food

• Digesting food

What is different about the mouth structure of ruminants compared to that of humans?

• There is no difference.

• Humans do not have upper incisors.

• Cattle, sheep and goats have a dental pad instead of upper incisors.

• Ruminants do not have a true tongue.

What is a human’s organ of prehension?

• Mouth

• Teeth

• Hand

• Eye

Which of the following is not directly involved in mechanical processing?

• Mouth

• Stomach

• Teeth

• Liver

The body’s release of enzymes, water and acid into food is known as _______.

• Absorption

• Secretion

• Mastication

• Excretion

Waves of muscular contractions which push food through the esophagus are part of the process known as ______.

• Peristalsis

• Ingestion

• Digestion

• Mechanical processing

All venous blood leaving the intestines travels through which structure?

• Bile duct

• Esophagus

• Hepatic portal vessel

• Ileum

According to the segment, the most common way to bring a toxin into the body is through ingestion.

• True

• False

The mesentery carries blood to the ______.

• Mouth

• Esophagus

• Stomach

• None of the above

Which part of the large intestine travels across the body inferior to the stomach and the liver?

• Cecum

• Ascending colon

• Transverse colon

• Descending colon