Midterm Review

Blood consists of red blood cells, white blood cells, and platelets suspended (floating) in a fluid known as _______.

• plasma

• water

• erythrocytes

• thrombocytes

The _________ is shared by both the respiratory and digestive tracts.  

• larynx

• trachea

• pharnyx

• sinuses

Which of the following is where mastication and maceration take place?

• stomach

• mouth

• esophagus

• small intestine

Which of the following is NOT a region of the stomach?

• cardia

• fundus

• pylorus

• serosa

Which of the following organs has no known function?

• Appendix

• Gallbladder

• Pancreas

• Colon

Where is the main site of chemical digestion and absorption of nutrients?

• large intestine

• small intestine

• stomach

• liver

Where is bile stored until needed for digestion? 

• Liver

• Pancreas

• Gallbladder

What is the main function of the digestive system?

• breakdown food and eliminate waste

• pumps blood throughout the body

• helps you breathe

• helps your arms and legs move

The ______ functions to help stop the movement of stomach contents back into the esophagus.

• pyloric sphincter

• Esophageal sphincter

The _____ is a j-shaped hollow organ that uses enzymes, acids, and muscle movement to aid in digestion.

• pancreas

• stomach

• liver

• small intestine