1
The box elder bug is an insect that sucks plant juices. It is a
2
Which of the following lists the four stages of food processing in order?
3
Which of the answers below would not work in the following sentence? In order for the body to absorb and use _____, they must be broken down by hydrolysis into ____.
4
How does a gastrovascular cavity differ from an alimentary canal? The gastrovascular cavity
5
In humans, most nutrient molecules are absorbed by the
6
The largest variety of digestive enzymes function in the
7
Which of the following is not an essential nutrient for a human?
8
Individuals lacking adequate levels of enterogastrone would have the greatest difficulty digesting
9
Which of the following do a wolf, a hummingbird, a termite, and a cow have in common?
10
It is important to get some vitamin B1 every day, but it is all right if intake of vitamin A varies a bit. Why?
11
Laxatives work in the large intestine to relieve constipation. Which of the following would probably not be an effective laxative? A substance that
12
How would you expect the digestive system of a hawk (a carnivore) to compare with that of a sparrow (a seed-eater)?
13
Gallstone surgery sometimes requires that the gallbladder be removed. Patients are then advised to avoid ingesting large amounts of fat because
14
Researchers provided radioactively labeled food to a dog, and traced the movement of absorbed molecules. Which type of molecule would move along a path different from all the others?
15
The cardiac sphincter surrounds the cardiac orifice. If this sphincter failed to properly constrict, there might be a problem with
16
____ are needed in the diet as components of teeth and bone, normal muscle and nerve function, water balance, and parts of certain enzymes.
17
Which of the following might make the most effective antiulcer medication? A chemical that
18
The lungs consist of many small air sacs and blood vessels, which greatly increase surface area and improve the transfer of substances through their walls. The structures in the digestive system similar in function to these air sacs and capillaries are the
19
During some types of antibiotic treatments, patients often experience diarrhea because
20
Imagine that you have eaten a meal containing the following nutrients. Which would not have to be digested before being absorbed?