Question 1

When people with celiac disease eat foods or use products containing gluten,their immune system responds by damaging or destroying villi.Which symptom would a person with celiac disease have?

Accepted Answer

A)   decreased peristalsis
B)   increased pH in their intestines
C)   increased digestive enzymes in their intestines
D)   decreased absorption of nutrients
E)   decreased bile in their intestinesF) A) and B)
G) None of the above

Question 2

The enzyme that breaks down fats is

Accepted Answer

A)   pactase.
B)   amylase.
C)   pepsin.
D)   lipase.
E)   bile.F) None of the above
G) C) and D)

Question 3

An organism with an incomplete digestive tract is at a disadvantage compared to an organism with a complete digestive tract since the organism with an incomplete digestive tract

Accepted Answer

A)   can only complete asexual reproduction.
B)   must cease eating temporarily to defecate.
C)   can only conduct intracellular digestion.
D)   can only conduct extracellular digestion.
E)   can only consume food smaller than a cell.F) B) and C)
G) A) and E)

Question 4

If you wanted to create a medical weapon to cause enemy soldiers to be unable to absorb nutrients,you would target the

Accepted Answer

A)   cilia.
B)   flagella.
C)   villi.
D)   Pacinian corpuscles.
E)   tentacles.F) A) and C)
G) A) and B)

Question 5

Kidney stones are calcium-rich crystals that form inside the kidney and can be triggered by dehydration because salt concentrations

Accepted Answer

A)   increase as blood volume increases.
B)   drop as blood volume drops.
C)   increase as blood volume drops.
D)   drop as blood volume increases.
E)   No answer is correct.F) B) and D)
G) B) and C)

Question 6

Which disease is caused by a deficiency of vitamin D?

Accepted Answer

A)   rickets
B)   scurvy
C)   blindness
D)   pellagra
E)   anemiaF) B) and E)
G) D) and E)

Question 7

The main site of water and mineral absorption in the human digestive system is the

Accepted Answer

A)   stomach.
B)   esophagus.
C)   small intestine.
D)   large intestine.
E)   rectum.F) B) and E)
G) A) and D)

Question 8

The human large intestine is about ________ in length.

Accepted Answer

A)   1 meter
B)   1.5 meters
C)   10 meters
D)   20 meters
E)   2 centimetersF) All of the above
G) A) and C)

Question 9

Alcohol reduces ADH secretion that in turn

Accepted Answer

A)   decreases tubule permeability to water and thus increases urine volume.
B)   decreases tubule permeability to water and thus decreases urine volume.
C)   increases tubule permeability to water and thus increases urine volume.
D)   increases tubule permeability to water and thus decreases urine volume.
E)   None of the answer choices are correct.F) A) and B)
G) B) and D)

Question 10

If presented with a person who was malnourished because of a refusal to eat,you would diagnose anorexia nervosa.

Accepted Answer

A) True 
 B)False

Question 11

Which organism is incorrectly matched with its mode of obtaining nutrients?

Accepted Answer

A)   Lions are heterotrophs.
B)   Penguins are heterotrophs.
C)   Spiders are heterotrophs.
D)   Redwood trees are autotrophs.
E)   Termites are autotrophs.F) D) and E)
G) A) and D)

Question 12

In herbivores,cellulose is primarily broken down by

Accepted Answer

A)   powerful digestive enzymes produced by the herbivore's stomach glands.
B)   powerful digestive enzymes produced by the herbivore's salivary glands.
C)   helminths living within the herbivore.
D)   bacteria living within the herbivore's gastrointestinal tract.
E)   powerful digestive enzymes produced by the herbivore's intestinal glands.F) B) and C)
G) B) and E)

Question 13

Which of the following diseases is caused by a deficiency of niacin?

Accepted Answer

A)   scurvy
B)   pellagra
C)   rickets
D)   blindness
E)   anemiaF) A) and C)
G) B) and E)

Question 14

Unlike humans,cows emit up to 200 L of methane (CH₄) each day through belching.Which explains this difference?

Accepted Answer

A)   Cows have a stomach.
B)   Cows have an intestine.
C)   Cows don't have a sphincter.
D)   Cows don't have an esophagus.
E)   Cows have a rumen.F) C) and D)
G) A) and D)

Question 15

The functional unit of a kidney is a

Accepted Answer

A)   neuron.
B)   ureter.
C)   nephron.
D)   collecting duct.
E)   sphincter.F) A) and D)
G) A) and C)

Question 16

In animals,the pouch that forms the entrance to the large intestine is the

Accepted Answer

A)   gastrovascular cavity.
B)   rumen.
C)   cecum.
D)   anus.
E)   appendix.F) All of the above
G) B) and C)

Question 17

If a doctor performing abdominal surgery on you accidentally cut the blood supply to one kidney,you would know that the doctor cut the

Accepted Answer

A)   brachial artery.
B)   radial artery.
C)   hepatic artery.
D)   renal artery.
E)   carotid artery.F) All of the above
G) A) and C)

Question 18

The structure that covers the opening to the trachea during swallowing,thereby preventing food from entering the air passage,is the

Accepted Answer

A)   epiglottis.
B)   cecum.
C)   rumen.
D)   uvula.
E)   soft palate.F) All of the above
G) A) and D)

Question 19

The process used to control the level of water and ions in body fluids is termed

Accepted Answer

A)   thermoregulation.
B)   mechanoregulation.
C)   chemoregulation.
D)   hemoregulation.
E)   osmoregulation.F) C) and E)
G) D) and E)

Question 20

Smelling food causes a hungry person to salivate.Which of the following begins to be digested in saliva?

Accepted Answer

A)   proteins
B)   fats
C)   carbohydrates
D)   nucleic acids
E)   All answers are correct.F) B) and E)
G) D) and E)

Exam 28: The Digestive and Urinary Systems

If a doctor performing abdominal surgery on you accidentally cut the blood supply to one kidney,you would know that the doctor cut the

Correct AnswerverifiedShow Answer

The main site of water and mineral absorption in the human digestive system is the

Correct AnswerverifiedShow Answer

Alcohol reduces ADH secretion that in turn

Correct AnswerverifiedShow Answer

Smelling food causes a hungry person to salivate.Which of the following begins to be digested in saliva?

Correct AnswerverifiedShow Answer

Which of the following diseases is caused by a deficiency of niacin?

Correct AnswerverifiedShow Answer

Kidney stones are calcium-rich crystals that form inside the kidney and can be triggered by dehydration because salt concentrations

Correct AnswerverifiedShow Answer

If presented with a person who was malnourished because of a refusal to eat,you would diagnose anorexia nervosa.

Correct AnswerverifiedShow Answer

In herbivores,cellulose is primarily broken down by

Correct AnswerverifiedShow Answer

The process used to control the level of water and ions in body fluids is termed

Correct AnswerverifiedShow Answer

An organism with an incomplete digestive tract is at a disadvantage compared to an organism with a complete digestive tract since the organism with an incomplete digestive tract

Correct AnswerverifiedShow Answer

The functional unit of a kidney is a

Correct AnswerverifiedShow Answer

Which disease is caused by a deficiency of vitamin D?

Correct AnswerverifiedShow Answer

The structure that covers the opening to the trachea during swallowing,thereby preventing food from entering the air passage,is the

Correct AnswerverifiedShow Answer

Which organism is incorrectly matched with its mode of obtaining nutrients?

Correct AnswerverifiedShow Answer

The human large intestine is about ________ in length.

Correct AnswerverifiedShow Answer

The enzyme that breaks down fats is

Correct AnswerverifiedShow Answer

In animals,the pouch that forms the entrance to the large intestine is the

Correct AnswerverifiedShow Answer

If you wanted to create a medical weapon to cause enemy soldiers to be unable to absorb nutrients,you would target the

Correct AnswerverifiedShow Answer

Unlike humans,cows emit up to 200 L of methane (CH₄) each day through belching.Which explains this difference?

Correct AnswerverifiedShow Answer

When people with celiac disease eat foods or use products containing gluten,their immune system responds by damaging or destroying villi.Which symptom would a person with celiac disease have?

Correct AnswerverifiedShow Answer

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