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WorksheetsHBS - Digestion (Organs, Enzymes, & Hormones)
Total questions: 45
Worksheet time: 45mins
Name
Class
Date
1.
The process by which the body breaks down food so that it can be used for energy.
a)
composition
b)
digestion
c)
deposition
d)
absorption
2.
The muscular organ in the body where chemical and mechanical digestion take place.
a)
pancreas
b)
liver
c)
stomach
d)
esophagus
3.
A long folded tube inside the body attached to the stomach where nutrients in the food are absorbed.
a)
large intestine
b)
small intestine
c)
esophagus
d)
rectum
4.
A muscular tube that helps move food from the mouth to the stomach.
a)
esophagus
b)
trachaea
c)
small intestine
d)
gall bladder
5.
Provides additional enzymes(pancreatic juice) to help nutrients get absorbed by the small intestine.
a)
liver
b)
kidneys
c)
gall bladder
d)
pancreas
6.
a)
pancreas
b)
esophagus
c)
stomach
d)
liver
7.
a)
stomach
b)
pancreas
c)
large intestine
d)
small intestine
8.
a)
large intestine
b)
small intestine
c)
rectum
d)
esophagus
9.
The involuntary movement that pushes food down from the mouth into the stomach and throughout the intestines.
a)
purging
b)
peristalsis
c)
platinum
d)
paralysis
10.
A very large molecule (as of a protein, nucleic acid, or carbohydrate) built up from smaller chemical structures.
a)
Macrophage
b)
Micromolecule
c)
Macroroni
d)
Macromolecule
11.
The process of making food absorb-able by mechanically and enzymatic-ally breaking it down into simpler chemical compounds in the alimentary canal.
a)
Digestion
b)
Metabolism
c)
Anabolism
d)
Catabolism
12.
A protein serving as a catalyst, a chemical agent that changes the rate of reaction without being consumed by the reaction.
a)
Energy Molecule
b)
Enzyme
c)
Synthesist
d)
Accelorator
13.
The stomach and intestine as a functional unit.
a)
Digestive Tract
b)
Gastric by-pass
c)
Gastrointestinal tract
d)
Gastric tract
14.
The more terminal division of the vertebrate intestine that is wider and shorter than the small intestine, typically divided into cecum, colon, and rectum, and concerned especially with the resorption of water and the formation of feces.
a)
Small intestine
b)
Duodenum
c)
Large intestine
d)
Colon
15.
The largest internal organ in the vertebrate body; performs diverse functions such as producing bile, preparing nitrogenous wastes for disposal, and detoxifying poisonous chemicals in the blood.
a)
Stomach
b)
Skin
c)
Lungs
d)
Liver
16.
A gland with dual functions: The non-endocrine portion secretes digestive enzymes and an alkaline solution into the small intestine via a duct; the endocrine portion secretes the hormones insulin and glucagon into the blood.
a)
Stomach
b)
Spleen
c)
Pancreas
d)
Kidney
17.
A salivary gland enzyme that hydrolyzes starch.
a)
Alpha amylase
b)
Salivary amylase
c)
Lipase
d)
Salivary Tryptase
18.
Exocrine glands associated with the oral cavity. The secretions of salivary glands contain substances to lubricate food, adhere together chewed pieces into a bolus, and begin the process of chemical digestion.
a)
Salivary glands
b)
Limic glands
c)
Lymph glands
d)
Bile glands
19.
The part of the intestine that lies between the stomach and colon, consists of duodenum, jejunum, and ileum, secretes digestive enzymes, and is the chief site of the absorption of digested nutrients.
a)
Small intestine
b)
Duodenum
c)
Ascending colon
d)
Transverse colon
20.
A sac-like expansion of the alimentary canal of a vertebrate communicating anteriorly with the esophagus and posteriorly with the duodenum and being typically a simple often curved sac with an outer serous coat, a strong complex muscular wall that contracts rhythmically, and a mucous lining membrane that contains gastric glands.
a)
Stomach
b)
Liver
c)
Spleen
d)
Pancreas
21.
What happens in the stomach? (you can choose more than one answer)
a)
HCl provides enzmyes with optimum alkaline pH.
b)
HCl provides enzymes with optimum acidic pH.
c)
Pepsinogen breaks down proptein.
d)
Pepsin breaks down protein.
22.
The majority of digestion occurs in the:
a)
large intestine
b)
small intestine
c)
ulcer
d)
rectum
23.
Villi present in the small intestine are important because they create more ______ so that more digested food can be abosrbed into the blood stream.
a)
feces
b)
enzymes
c)
lipids
d)
surface area
24.
Excess water is re-absorbed from undigested food by this______
a)
large intestine
b)
small intestine
c)
appendix
d)
stomach
25.
The main function of the stomach is to:
a)
Store food
b)
Produce hydrochloric acid
c)
Break down food
d)
All the above
26.
Mechanical and chemical digestion begins where?
a)
Mouth
b)
Stomach
c)
Pancreas
d)
Gallbladder
27.
True or False: In the stomach, food is squeezed and mashed. The food changes into a thick liquid called chyme.
a)
True
b)
False
28.
_____________ along the length of the esophagus contract to push the bolus along .
a)
Blood vessels
b)
Capillaries
c)
Muscles
d)
Cells
29.
How do we know when we are hungry
a)
Nerves in the stomach signal the brain that we are hungry
b)
Our stomach expands from lack of food
c)
Gherlin activates specific neurons in the brain
d)
Insulin is released from the pancreas
30.
Is Ghrelin the hormone that stimulates hunger before meals
a)
True
b)
False
31.
The mouth contains salivary glands which produce
a)
polysaccharides
b)
amylases
c)
proteases
d)
lipases
32.
Protein digestion begins in the
a)
mouth
b)
esophagus
c)
stomach
d)
liver
33.
Pepsin is an enzyme that acts on
a)
lipids
b)
proteins
c)
carbohydrates
d)
nucleic acids
34.
Digestion is COMPLETED in the
a)
stomach
b)
liver
c)
small intestine
d)
large intestine
35.
Which enzyme below is involved in the following chemical digestion process?
FATS---->FATTY ACIDS/GLYCEROL
FATS---->FATTY ACIDS/GLYCEROL
a)
Lipase
b)
Trypsin
c)
Amylase
d)
Pepsin
36.
Which enzyme below is involved in the following chemical digestion process?
PROTEINS---->POLYPEPTIDES
PROTEINS---->POLYPEPTIDES
a)
Lipase
b)
Amylase
c)
Pepsin
d)
Maltase
37.
Which of the following lists the 4 hormones involved in the digestive process?
a)
GIP, CCK, Secretin, Pepsin
b)
GIP, CCK, Gastrin, Secretin
c)
Gastrin, Secretin, Pepsin, GIP
d)
GIP, CCK, Bile, Secretin
38.
Region where chyme enters the small intestine is known as ______________.
a)
colon
b)
ileum
c)
jejunum
d)
duodenum
39.
Which substance breaks up large fat droplets into tiny fat droplets?
a)
bile
b)
lipase
c)
pancreatic juice
d)
intestinal juice
40.
How much nutrient absorption occurs in the stomach?
a)
None
b)
Some
c)
Most
41.
Functions to make food in the stomach acidic and activates pepsin
a)
Mucus
b)
Hydrochloric Acid
c)
Bile
d)
Pepsin
42.
Which of the following does not take place in the oral cavity?
a)
absorption
b)
mechanical breakdown
c)
chemical breakdown
d)
peristalsis
43.
What macromolecule is chemically digested here?
a)
carbs
b)
fats
c)
proteins
d)
all macromolecules
44.
This region of the colon would be called....
a)
ascending
b)
transverse
c)
descending
d)
sigmoid
45.
The hormone _________, produced in the stomach, stimulates gastric glands to secrete gastric juices (chemicals, enzymes, and other hormones).
a)
gastrin
b)
secretin
c)
cholecystokinin
d)
gastric inhibitory peptide
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