Exam 3: Digestion,Absorption and Transport

Celiac disease is an autoimmune disease characterized by the inflammation of the small intestine that occurs in response to foods that contain ________.

How do intestinal cells facilitate nutrient absorption?

Consider the first digestive challenge presented in the text: Human beings breathe,eat,and drink through their mouths.Air taken in through the mouth must go to the lungs; food and beverages must go to the stomach.The throat must be arranged so that swallowing and breathing do not interfere with each other.How does the human body resolve this?

________ are small vessels that connect arteries to veins.

The acidity of gastric juice registers ________ on the pH scale.

The exchange of oxygen,nutrients,and waste materials takes place across ________ walls.

Which of the following would a dietitian recommend to enhance digestion and absorption? 

The hepatic portal vein collects blood from the GI tract and conducts it to the ____.

Vomiting and diarrhea can lead to life-threatening ________.

Which organ stores bile until it is needed? 

Which part of the GI tract houses bacteria and lymph cells? 

Which of the following has the highest pH? 

Which term refers to the uptake of nutrients by the cells of the small intestine for transport into either the blood of the lymph? 

Which of the following is not contained in pancreatic juice? 

What is intestinal ischemia? 

In which organ does most absorption take place? 

The top portion of the small intestine is called the ________.

Glucose moves against a concentration gradient,which requires energy; therefore,it is absorbed by ________.

MATCHING -Hormone secreted by stomach wall A)Liver B)Crypts C)Goblet D)Segmentation E)pH F)Gastrin G)Secretin H)Arteries I)Appendix J)Water K)Esophagus L)Gallbladder M)Lipase N)Hepatic portal vein O)Lymph P)Ileocecal valve Q)Cholecystokinin R)Villi S)Hydrolysis T)Lymphatic system

Which vehicle provides the passageway from the lymphatic system to the vascular system?