Biology Chapters 8-10 Review

Which part of the digestive system does the gallbladder send its secretions to?

• small intestine

• large intestine

• stomach

• rectum

Which part of the respiratory system is composed of skeletal muscle?

• diaphragm

• lungs

• larynx

• glottis

What enzyme initiates the process of starch digestion in the mouth?

• salivary lipase

• salivary protease

• salivary sucrase

• salivary amylase

What type of genetic material is found in the coronaviruses?

• double-stranded DNA

• single-stranded DNA

• double-stranded RNA

• single-stranded RNA

Which of the following is considered to be an accessory organ of the digestive system?

• thalamus

• pituitary glands

• small intestine

• pancreas

A diet rich in which vitamins may reduce the risk of free radicals that can cause health problems?

• C and B12

• C, E, and A

• D, C, and E

• B12, C, and E

Pepsin is an enzyme that digests proteins at acidic pH. Therefore, it must act in the

• stomach.

• small intestine.

• mouth.

• large intestine.

What serves as an emulsifying agent for fats in the small intestine?

• Lipase

• Bile

• Amylase

• pepsin

What mechanism governs gas exchange in the lungs and tissues?

• A. Inspiration

• B. Respiratory Control Center

• C. Boyle’s Law

• D. Surface Tension

What greatly increases the capacity of the stomach?

• diverticula

• lumens

• crypts

• rugae