Digestive System: Post-Test Questions and Answers
Explore this post-test quiz to assess your knowledge of the digestive system. Test your understanding of the system's functions, organization, vomiting mechanism, interactions with other systems, and the role of bacteria in digestive health. Sharpen your knowledge with insightful questions and engaging visuals.
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Presentation Transcript
Life Science Organ Systems Digestion Post-Test
What is the main function of the digestive system? A. To provide a mechanism for exchanging oxygen and carbon dioxide between the bloodstream and the environment B. To facilitate communication between body systems by releasing neurotransmitters C. To break down food into units that can be absorbed into the bloodstream and transported and used by all of the cells in the body D. To create a mechanical barrier to protect the body from chemicals, disease, UV radiation, and physical damage
Which of these lists the organization of the digestive system from most complex to the simplest? A. The digestive system The stomach The layers of gastric cells lining the stomach Cell in the lining of the stomach B. The layers of gastric cells lining the stomach The digestive system Cell in the lining of the stomach The stomach C. The stomach The digestive system Cell in the lining of the stomach The layers of gastric cells lining the stomach D. Cell in the lining of the stomach The layers of gastric cells lining the stomach The stomach The digestive system
Ingestion of toxic substances can lead to strong contraction of the diaphragm and abdominal muscles, initiating vomiting. What is the purpose of vomiting? A. To help remove the toxic substance from the body and restore homeostasis B. There is no purpose, it is just a negative reaction to the toxins C. To condition the person to not eat whatever they ate again by associating an adverse effect with it D. To destroy the toxin by pushing back into the acidic environment of the stomach
The stomach secretes very acidic juices that can kill/destroy many foreign invaders, and along the tracts of the small and large intestines are many lymph nodes. This shows that there is interaction between what two body systems? A. The circulatory system and digestive system B. The excretory system and lymphatic system C. The endocrine system and immune system D. The digestive system and immune system
Which of the following is the best example of bacteria being helpful in maintaining digestive health? A. The acid in the stomach kills many bacteria B. In the large intestine, food that hasn t been digested can be broken down by bacteria C. Bacteria like Salmonella can cause digestive upset D. There are many lymph nodes in the digestive tract to help defend against foreign invaders
