Weekly quiz 9: Digestive System

Question 1

Many choice: Which of the following are broken down in the small intestine?
Group of answer choices

Carbohydrate

Lipid

Protein

Answer 1

Carbohydrate

Lipid

Protein

Question 2

Many choice: Which of the following are readily absorbed in the jejunum?
Group of answer choices

Disaccharides

Lipids

Small polypeptides

Answer 2

Lipids

Question 3

Throughout the digestive process, which of the following occur in the stomach?
Group of answer choices

Storage

Mechanical digestion

Chemical digestion

All of the above

Answer 3

All of the above

Question 4

Bile plays an essential role in the digestion of
Group of answer choices

Carbohydrate

Lipids

Protein

Nucleic acids

All nutrients

Answer 4

Lipids

Question 5

Many choice: Which of the following enzymes are secreted in saliva?
Group of answer choices

Amylase

Lipase

Proteases

Answer 5

Amylase

Lipase

Question 6

The epithelial tissue type in the mouth is
Group of answer choices

Simple squamous

Stratified squamous

Simple cuboidal

Stratified cuboidal

Simple columnar

Answer 6

Stratified squamous

Question 7

Many choice: Which of the following occur(s) in the mouth?
Group of answer choices

Mechanical breakdown of food

Chemical digestion of carbohydrate

Chemical digestion of protein

Answer 7

Mechanical breakdown of food

Chemical digestion of carbohydrate

Question 8

The epithelial tissue type in the small intestine is
Group of answer choices

Simple squamous

Stratified squamous

Simple cuboidal

Stratified cuboidal

Simple columnar

Answer 8

Simple columnar

Question 9

If an individual who normally takes their medication sublingually (under the tongue) accidentally swallows their medication, you would expect the effects of the medication to be __________, due to decreased ______________, which occurs in the liver.
Group of answer choices

Increased, first pass metabolism

Decreased, first pass metabolism

Increased, secondary pass metabolism

Decreased, secondary pass metabolism

Answer 9

Decreased, first pass metabolism

Question 10

What happens to the pH of our blood when we have diarrhea?
Group of answer choices

pH rises

pH falls

pH should not change

Answer 10

pH falls

Question 11

Which of the following is a primary function in the large intestine?
Group of answer choices

Breakdown of protein by proteases

Breakdown of lipids by lipases

Absorption of carbohydrates into the body

Absorption of water

Mechanical breakdown of large, solid pieces of food

Answer 11

Absorption of water

Question 12

What happens to the pH of our blood when we throw up?
Group of answer choices

pH rises

pH falls

pH should not change

Answer 12

pH rises

Question 13

Chemical digestion of proteins begins in the
Group of answer choices

Mouth

Esophagus

Stomach

Small intestine

Large intestine

Answer 13

Stomach

Question 14

Chemical digestion of carbohydrate begins in the
Group of answer choices

Mouth

Esophagus

Stomach

Small intestine

Large intestine

Answer 14

Mouth

Question 15

Absorption of amino acids occurs primarily in the
Group of answer choices

Mouth

Esophagus

Stomach

Small intestine

Large intestine

Answer 15

Small intestine

Question 16

Lipids absorbed across the intestinal epithelium are transported
Group of answer choices

In the bloodstream to the brachiocephalic vein.

In the bloodstream to the liver.

In the lymphatics to the brachiocephalic vein

In the lymphatics to the liver

None of the above

Answer 16

In the lymphatics to the brachiocephalic vein

Question 17

During the cephalic phase of digestion
Group of answer choices

Nerves stimulate glands involved in the initial phases of digestion

Mechanical stretch causes increases in pancreatic secretions

Hormones stimulate increased energy storage

Answer 17

Nerves stimulate glands involved in the initial phases of digestion

Question 18

The majority of absorption of nutrients occurs in the
Group of answer choices

Mouth

Stomach

Small intestine

Large intestine

Rectum

Answer 18

Small intestine

Question 19

Mechanical digestion of protein begins in the
Group of answer choices

Mouth

Esophagus

Stomach

Small intestine

Large intestine

Answer 19

Mouth

Question 20

Secretions from the pancreas are
Group of answer choices

Acidic

Basic

Neutral

Answer 20

Basic

Question 21

Chief cells secrete
Group of answer choices

Trypsinogen

Chymotrypsin

Pepsinogen

Hydrochloric acid

Mucus

Answer 21

Pepsinogen

Question 22

Many choice: Primary function(s) of the esophagus include
Group of answer choices

Mechanical digestion

Chemical digestion

Transport

Answer 22

Transport

Question 23

Many choice: Which of the following occur(s) in the large intestine?
Group of answer choices

Reabsorption of water

Production and absorption of vitamins

Absorption of fiber

Answer 23

Reabsorption of water

Production and absorption of vitamins

Question 24

Many choice: After absorption, which of the following nutrients travel directly to the liver without returning to the heart?
Group of answer choices

Amino acids

Monosaccharides

Lipids

Answer 24

Amino acids

Monosaccharides

Question 25

The primary function of the gall bladder is to Group of answer choices Synthesize bile Store bile Digest lipids Manufacture proteases Digest proteins

Answer 25

Store bile

Question 26

When eating a cheeseburger, the food enters the GI tract in the Group of answer choices Mouth Esophagus Stomach Small intestine Large intestine

Answer 26

Mouth

Question 27

Defecation involves Group of answer choices Smooth muscle Skeletal muscle Both skeletal and smooth muscle

Answer 27

Both skeletal and smooth muscle

Question 28

Pancreatic secretions include Group of answer choices Bicarbonate buffers Digestive enzymes Bile Water All of the above

Answer 28

All of the above

Question 29

Vessels supplying the small intestine run through the Group of answer choices Parietal pleura Visceral pleura Mesenteries Stomach Large intestine

Answer 29

Mesenteries

Question 30

Amino acids absorbed from the gut travel first to the Group of answer choices Brain Pancreas Stomach Liver Inferior vena cava

Answer 30

Liver

Question 31

Which of the following cell types secretes stomach acid? Group of answer choices Chief cells Mucus cells Parietal cells Simple squamous epithelial cells Beta cells

Answer 31

Parietal cells

Question 32

Fiber provides bulk to feces because Group of answer choices Fat in fiber cannot be broken down, so remains in the GI tract. Carbohydrate in fiber cannot be broken down, so remains in the GI tract. Protein in fiber cannot be broken down, so remains in the GI tract. Fiber causes amino acids to be secreted into the digestive tract Fiber causes fatty acids to be secreted into the digestive tract

Answer 32

Carbohydrate in fiber cannot be broken down, so remains in the GI tract.

Question 33

If one took a needle and injected hydrochloric acid into the duodenum, Group of answer choices It would speed gastric emptying It would stimulate secretions by the pancreas It would directly stimulate hunger

Answer 33

It would stimulate secretions by the pancreas

Question 34

Which of the following processes moves contents of the digestive tract towards the anus? Group of answer choices Secretion Reabsorption Segmentation Peristalsis

Answer 34

Peristalsis

Question 35

Which of the following enzymes is manufactured in the pancreas? Group of answer choices Amylase Lipase Protease Nuclease All of the above

Answer 35

All of the above

Question 36

If a person with lactose intolerance drinks milk, their plasma insulin levels would rise ____________ than someone without lactose intolerance. Group of answer choices More Less

Answer 36

Less

Question 37

The first phase of digestion is initiated by the Group of answer choices Nervous system Endocrine system Lymphatic system Urinary system Respiratory system

Answer 37

Nervous system

Question 38

The pancreatic duct secretes its contents into the GI tract in the Group of answer choices Esophagus Stomach Duodenum Jejunum Ileum

Answer 38

Duodenum