11) The “powerhouse” of the cell that produces most of : 1201334.
11) The “powerhouse” of the cell that produces most of the ATP is/are the
A) mitochondria.
B) ribosome.
C) nucleus.
D) cytoplasm.
12) The term used to describes the process in which foods are broken down into their component molecules is
A) digestion.
B) absorption.
C) elimination.
D) segmentation.
13) What is the cephalic phase?
A) earliest phase of digestion when the brain prepares the body in anticipation of food
B) phase when the semi-digested food leaves the stomach and slowly enters the small intestine
C) phase when the majority of absorption occurs, primarily occurring in the small intestine
D) final phase of digestion when the large intestine and rectum prepare the undigested components of food for elimination
14) When the stomach of an adult is full, it can expand to hold approximately
A) 2 cups of food or water.
B) 4 cups of food or water.
C) 6 cups of food or water.
D) 16 cups of food or water.
15) The primary function of mucus in the stomach is to
A) neutralize stomach acid.
B) activate pepsinogen to pepsin.
C) protect the stomach cells from gastric juices (e.g., HCl).
D) emulsify fats.
16) The contents of the stomach when food is present is
A) very acidic.
B) nearly neutral.
C) slightly basic.
D) strongly alkaline.
17) Where in your body does the majority of the digestion and absorption of food occur?
A) mouth
B) stomach
C) small intestine
D) large intestine
18) Bob eats his breakfast, and his GI tract will now begin the process of digesting and absorbing the nutrients from this meal. What is the order in which each of the organs of the GI tract will work to achieve this process?
A) mouth, esophagus, small intestine, stomach, large intestine
B) mouth, esophagus, stomach, small intestine, large intestine
C) mouth, stomach, esophagus, small intestine, large intestine
D) mouth, stomach, esophagus, large intestine, small intestine
19) Salivary amylase beings the digestion of which nutrient in the mouth?
A) protein
B) fat
C) carbohydrate
D) iron
20) What part of gastric juices in the stomach kills bacteria you may have consumed?
A) pepsinogen
B) gastric lipase
C) mucus
D) hydrochloric acid
11) The “powerhouse” of the cell that produces most of : 1201334
