Question 1

How does a gastrovascular cavity differ from a complete digestive tract?

Accepted Answer

A)  a gastrovascular cavity has an opening that serves as a mouth and an anus 
B)  the complete digestive process is slower in a gastrovascular cavity 
C)  there is less specialization of parts in a gastrovascular cavity 
D)  the four functions of digestion are not simulataneous in a gastrovascular cavity as they are in a complete digestive tract 
E)  all of these are differences between a gastrovascular cavity and a complete digestive tract 
A)  a gastrovascular cavity has an opening that serves as a mouth and an anus 
B)  the complete digestive process is slower in a gastrovascular cavity 
C)  there is less specialization of parts in a gastrovascular cavity 
D)  the four functions of digestion are not simulataneous in a gastrovascular cavity as they are in a complete digestive tract 
E)  all of these are differences between a gastrovascular cavity and a complete digestive tract E

Question 2

What does antidiuretic hormone do?

Accepted Answer

A)  increases glucose reabsorption 
B)  decreases the filtration rate 
C)  increases tubular secretion 
D)  increases water reabsorption 
E)  decreases amino acid reabsorption 
A)  increases glucose reabsorption 
B)  decreases the filtration rate 
C)  increases tubular secretion 
D)  increases water reabsorption 
E)  decreases amino acid reabsorption D

Question 3

Colon polyps

Accepted Answer

A)  are mostly benign but some may become cancerous. 
B)  are difficult to cure. 
C)  are small growths that project from the wall of the small intestine. 
D)  are responsible for 500,000 deaths in the U.S. every year. 
E)  are usually benign but may become cancerous and are responsible for 500,000 deaths in the U.S. every year. 
A)  are mostly benign but some may become cancerous. 
B)  are difficult to cure. 
C)  are small growths that project from the wall of the small intestine. 
D)  are responsible for 500,000 deaths in the U.S. every year. 
E)  are usually benign but may become cancerous and are responsible for 500,000 deaths in the U.S. every year. A

Question 4

Why does someone who has consumed a lot of alcohol become dehydrated?

Accepted Answer

A)  Alcohol inhibits ADH secretion, which leads to an increase in urination. 
B)  Alcohol increases ADH secretion, which leads to an increase in urination. 
C)  Alcohol inhibits ADH secretion, which leads to a reduction in urination. 
D)  Alcohol increases ADH secretion, which leads to a reduction in urination. 
E)  Alcohol does none of these. 
A)  Alcohol inhibits ADH secretion, which leads to an increase in urination. 
B)  Alcohol increases ADH secretion, which leads to an increase in urination. 
C)  Alcohol inhibits ADH secretion, which leads to a reduction in urination. 
D)  Alcohol increases ADH secretion, which leads to a reduction in urination. 
E)  Alcohol does none of these.

Question 5

Kidney failure

Accepted Answer

A)  occurs when a person's filtration rate decreases by 50%. 
B)  can be fatal. 
C)  can be caused by high blood pressure. 
D)  can be caused by diabetes mellitus. 
E)  has all of these characteristics. 
A)  occurs when a person's filtration rate decreases by 50%. 
B)  can be fatal. 
C)  can be caused by high blood pressure. 
D)  can be caused by diabetes mellitus. 
E)  has all of these characteristics.

Question 6

Which of the following organs do NOT supply enzymes or other compounds that aid the digestive process in the small intestine?

Accepted Answer

A)  pancreas 
B)  liver 
C)  gallbladder 
D)  large intestine 
E)  all of these organs supply enzymes or other compounds that aid in the digestive process in the small intestine 
A)  pancreas 
B)  liver 
C)  gallbladder 
D)  large intestine 
E)  all of these organs supply enzymes or other compounds that aid in the digestive process in the small intestine

Question 7

The feedback loop controlling ADH secretion is classified as what type of feedback loop?

Accepted Answer

A)  helpful 
B)  positive 
C)  negative 
D)  destructive 
E)  incomplete 
A)  helpful 
B)  positive 
C)  negative 
D)  destructive 
E)  incomplete

Question 8

A person choking on a piece of food

Accepted Answer

A)  cannot talk, breath, or cough. 
B)  can cough but cannot breath or talk. 
C)  can talk and cough but is unable to breath. 
D)  can breath through their nose if they remain calm. 
E)  can do none of these. 
A)  cannot talk, breath, or cough. 
B)  can cough but cannot breath or talk. 
C)  can talk and cough but is unable to breath. 
D)  can breath through their nose if they remain calm. 
E)  can do none of these.

Question 9

Which of the following are protein foods that are complete?

Accepted Answer

A)  hamburger 
B)  beans 
C)  corn 
D)  rice 
E)  more than one of these protein foods are complete 
A)  hamburger 
B)  beans 
C)  corn 
D)  rice 
E)  more than one of these protein foods are complete

Question 10

Referring to the above diagram,which letter indicates the location of chyme production?

Accepted Answer

A)  A 
B)  D 
C)  E 
D)  F 
E)  G 
A)  A 
B)  D 
C)  E 
D)  F 
E)  G

Question 11

The main function of salivary mucus is to

Accepted Answer

A)  break down starch. 
B)  mechanically breakup food materials. 
C)  make the food particles sticky. 
D)  hydrate dry food particles. 
E)  do more than one of these. 
A)  break down starch. 
B)  mechanically breakup food materials. 
C)  make the food particles sticky. 
D)  hydrate dry food particles. 
E)  do more than one of these.

Question 12

Which of the following is true of vitamins?

Accepted Answer

A)  they are inorganic substances needed in small amounts 
B)  fat-soluble vitamins include C and B vitamins 
C)  they are stored in body fat 
D)  large amounts of vitamin K during pregnancy can cause birth defects 
E)  taking large amounts of vitamin D can cause death 
A)  they are inorganic substances needed in small amounts 
B)  fat-soluble vitamins include C and B vitamins 
C)  they are stored in body fat 
D)  large amounts of vitamin K during pregnancy can cause birth defects 
E)  taking large amounts of vitamin D can cause death

Question 13

Which of the following is true of bulimia nervosa?

Accepted Answer

A)  it is most common among young women 
B)  those with this disorder have pitted and brittle teeth 
C)  those with this disorder are more susceptible to esophageal cancer 
D)  those with this disorder are more susceptible to heart arrhythmia and convulsions 
E)  all of these are true of bulimia nervosa 
A)  it is most common among young women 
B)  those with this disorder have pitted and brittle teeth 
C)  those with this disorder are more susceptible to esophageal cancer 
D)  those with this disorder are more susceptible to heart arrhythmia and convulsions 
E)  all of these are true of bulimia nervosa

Question 14

Match the following with these renal processes.
a.reabsorption
b.filtration
c.secretion
d.all of these
e.none of these
-the process that occurs in the nephron

Accepted Answer

The answer of Match the following with these renal processes.
a.reabsorption
b.filtration
c.secretion
d.all...

Question 15

Referring to the above diagram,which structure is responsible for secreting digestive enzymes into the small intestine and hormones into the blood?

Accepted Answer

A)  D 
B)  E 
C)  F 
D)  G 
E)  A 
A)  D 
B)  E 
C)  F 
D)  G 
E)  A

Question 16

Which of the following is a flaplike structure that helps prevent food from entering the windpipe?

Accepted Answer

A)  uvula 
B)  pharynx 
C)  larynx 
D)  epiglottis 
E)  esophagus 
A)  uvula 
B)  pharynx 
C)  larynx 
D)  epiglottis 
E)  esophagus

Question 17

What is the importance of the structure of the small intestine?

Accepted Answer

A)  The many folds help to mechanically break down food. 
B)  The many folds help to increase the surface area for digestion and absorption. 
C)  The many foods help to slow the food down as it moves through the small intestine. 
D)  choices a, b, and c are all correct. 
E)  none of these are correct. 
A)  The many folds help to mechanically break down food. 
B)  The many folds help to increase the surface area for digestion and absorption. 
C)  The many foods help to slow the food down as it moves through the small intestine. 
D)  choices a, b, and c are all correct. 
E)  none of these are correct.

Question 18

Specifically,what does it mean that an amino acid or a fatty acid is essential?

Accepted Answer

A)  it is needed in large amounts by the body 
B)  the body cannot survive without it 
C)  the body cannot synthesize it 
D)  it is an essential component of digestive enzymes 
E)  more than one of these describes what it means to be essential 
A)  it is needed in large amounts by the body 
B)  the body cannot survive without it 
C)  the body cannot synthesize it 
D)  it is an essential component of digestive enzymes 
E)  more than one of these describes what it means to be essential

Question 19

Before nitrogenous wastes are excreted in urine,they are converted first to ___ and then to ___.

Accepted Answer

A)  urea--ammonia 
B)  ammonia--urea 
C)  glycogen--monosaccharides 
D)  glycerin--fatty acids 
E)  glyerin--urea 
A)  urea--ammonia 
B)  ammonia--urea 
C)  glycogen--monosaccharides 
D)  glycerin--fatty acids 
E)  glyerin--urea

Question 20

Which of the following is true about bile?

Accepted Answer

A)  it is an enzyme that digests fat 
B)  it is made in the gallbladder 
C)  it is stored in the liver 
D)  hard pellets of bile are called gallstones 
E)  none of these is true about bile 
A)  it is an enzyme that digests fat 
B)  it is made in the gallbladder 
C)  it is stored in the liver 
D)  hard pellets of bile are called gallstones 
E)  none of these is true about bile

Exam 23: Digestion and Excretion

How does a gastrovascular cavity differ from a complete digestive tract?

What does antidiuretic hormone do?

Colon polyps

Why does someone who has consumed a lot of alcohol become dehydrated?

Kidney failure

Which of the following organs do NOT supply enzymes or other compounds that aid the digestive process in the small intestine?

The feedback loop controlling ADH secretion is classified as what type of feedback loop?

A person choking on a piece of food

Which of the following are protein foods that are complete?

Referring to the above diagram,which letter indicates the location of chyme production?

The main function of salivary mucus is to

Which of the following is true of vitamins?

Which of the following is true of bulimia nervosa?

Match the following with these renal processes. a.reabsorption b.filtration c.secretion d.all of these e.none of these -the process that occurs in the nephron

Referring to the above diagram,which structure is responsible for secreting digestive enzymes into the small intestine and hormones into the blood?

Which of the following is a flaplike structure that helps prevent food from entering the windpipe?

What is the importance of the structure of the small intestine?

Specifically,what does it mean that an amino acid or a fatty acid is essential?

Before nitrogenous wastes are excreted in urine,they are converted first to ___ and then to ___.

Which of the following is true about bile?

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Before nitrogenous wastes are excreted in urine,they are converted first to _ and then to _.