Question 1

____ are multicelled projections that protrude from the lining of the small intestine.

Accepted Answer

A)  Sphincters 
B)  Brush borders 
C)  Microvilli 
D)  Villi 
E)  Macrovilli 
A)  Sphincters 
B)  Brush borders 
C)  Microvilli 
D)  Villi 
E)  Macrovilli

Question 2

Which of the following animals have broad,flat molars and reduced canines?

Accepted Answer

A)  cows 
B)  cats 
C)  wolves 
D)  humans 
E)  more than one of these 
A)  cows 
B)  cats 
C)  wolves 
D)  humans 
E)  more than one of these

Question 3

Which of the following is true of anorexia nervosa?

Accepted Answer

A)  it is caused by environmental and genetic factors combined 
B)  bones are weakened from loss of calcium 
C)  iron- deficiency anemia is common 
D)  hear muscle is weakened 
E)  all of these are true of anorexia nervosa 
A)  it is caused by environmental and genetic factors combined 
B)  bones are weakened from loss of calcium 
C)  iron- deficiency anemia is common 
D)  hear muscle is weakened 
E)  all of these are true of anorexia nervosa

Question 4

Which of the following foods contains the greatest amounts of complex carbohydrates?

Accepted Answer

A)  bananas 
B)  rice 
C)  broccoli 
D)  apples 
E)  beans 
A)  bananas 
B)  rice 
C)  broccoli 
D)  apples 
E)  beans

Question 5

The capillaries clustered around kidney tubule cups differ from other capillaries in that they

Accepted Answer

A)  have a much wider diameter. 
B)  are much leakier. 
C)  have arterioles at either end. 
D)  carry lymph with blood. 
E)  have more than one of these characteristics. 
A)  have a much wider diameter. 
B)  are much leakier. 
C)  have arterioles at either end. 
D)  carry lymph with blood. 
E)  have more than one of these characteristics.

Question 6

Which molecules diffuse into the lymph vessels during absorption in the small intestine?

Accepted Answer

A)  simple sugars 
B)  triglycerides 
C)  amino acids 
D)  nucleotides 
E)  all of these 
A)  simple sugars 
B)  triglycerides 
C)  amino acids 
D)  nucleotides 
E)  all of these

Question 7

Which of the following organisms has the simplest digestive system?

Accepted Answer

A)  earthworm 
B)  jellyfish 
C)  grasshopper 
D)  clam 
E)  more than one of these organisms has the simplest digestive system 
A)  earthworm 
B)  jellyfish 
C)  grasshopper 
D)  clam 
E)  more than one of these organisms has the simplest digestive system

Question 8

The arrows in the diagram below are pointing to

Accepted Answer

A)  the esophagus and small intestine. 
B)  the trachea and large intestine. 
C)  the sphincters at the top and bottom of the stomach. 
D)  the esophagus and pancreas. 
E)  the stomach. 
A)  the esophagus and small intestine. 
B)  the trachea and large intestine. 
C)  the sphincters at the top and bottom of the stomach. 
D)  the esophagus and pancreas. 
E)  the stomach.

Question 9

Since the 1970s,the percentage of overweight Americans has

Accepted Answer

A)  decreased by 50%. 
B)  tripled. 
C)  doubled. 
D)  remained the same. 
E)  quadrupled. 
A)  decreased by 50%. 
B)  tripled. 
C)  doubled. 
D)  remained the same. 
E)  quadrupled.

Question 10

The stomach

Accepted Answer

A)  is a non-elastic sac. 
B)  secretes enzymes that begin to break down fats. 
C)  secretes enzymes that begin to break down proteins. 
D)  is surrounded by three layers of skeletal muscle. 
E)  fits all of these descriptions. 
A)  is a non-elastic sac. 
B)  secretes enzymes that begin to break down fats. 
C)  secretes enzymes that begin to break down proteins. 
D)  is surrounded by three layers of skeletal muscle. 
E)  fits all of these descriptions.

Question 11

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 first in urine formation

Accepted Answer

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

Question 12

ADH is essential for ___ homeostasis.

Accepted Answer

A)  water volume 
B)  salt balance 
C)  glucose concentration 
D)  temperature 
E)  more than one of these types of 
A)  water volume 
B)  salt balance 
C)  glucose concentration 
D)  temperature 
E)  more than one of these types of

Question 13

Kidneys filter water and all solutes except ___ from the blood.

Accepted Answer

A)  urea 
B)  potasium 
C)  proteins 
D)  chloride ions 
E)  monosaccharides 
A)  urea 
B)  potasium 
C)  proteins 
D)  chloride ions 
E)  monosaccharides

Question 14

Gastric bypass surgery is effective in part because it

Accepted Answer

A)  increases ghrelin levels. 
B)  decreases ghrelin levels. 
C)  increases leptin levels. 
D)  decreases leptin levels. 
E)  increases ghrelin levels and decreases leptin levels. 
A)  increases ghrelin levels. 
B)  decreases ghrelin levels. 
C)  increases leptin levels. 
D)  decreases leptin levels. 
E)  increases ghrelin levels and decreases leptin levels.

Question 15

Use the above picture to answer the following question(s).
-Referring to the above diagram,what structure is labeled "C"?

Accepted Answer

A)  the appendix 
B)  the cecum 
C)  a polyp 
D)  a portion of the small intestine 
E)  the colon 
A)  the appendix 
B)  the cecum 
C)  a polyp 
D)  a portion of the small intestine 
E)  the colon

Question 16

The body mass index is used to

Accepted Answer

A)  determine a healthy weight based on height. 
B)  calculate a person's percentage of body fat. 
C)  calculate a person's percentage of muscle. 
D)  determine how many calories a person should consume per day. 
E)  determine a healthy weight based on height, and to determine how many calories a person should consume per day. 
A)  determine a healthy weight based on height. 
B)  calculate a person's percentage of body fat. 
C)  calculate a person's percentage of muscle. 
D)  determine how many calories a person should consume per day. 
E)  determine a healthy weight based on height, and to determine how many calories a person should consume per day.

Question 17

The cecum is

Accepted Answer

A)  the first part of the large intestine. 
B)  connects to the rectum. 
C)  between the stomach and the small intestine. 
D)  a producer of enzymes for digestion in the small intestine. 
E)  more than one of these. 
A)  the first part of the large intestine. 
B)  connects to the rectum. 
C)  between the stomach and the small intestine. 
D)  a producer of enzymes for digestion in the small intestine. 
E)  more than one of these.

Question 18

Blood enters the kidney through ____ and leaves the kidney through ____.

Accepted Answer

A)  the renal vein; the renal artery 
B)  the nephron; the renal capillary 
C)  the renal artery; the renal vein 
D)  the renal artery; the nephron 
E)  none of these 
A)  the renal vein; the renal artery 
B)  the nephron; the renal capillary 
C)  the renal artery; the renal vein 
D)  the renal artery; the nephron 
E)  none of these

Question 19

Match the following with these renal processes.
a.reabsorption
b.filtration
c.secretion
d.all of these
e.none of these
-the process that returns glucose to the blood

Accepted Answer

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

Question 20

Biological digestion is defined as

Accepted Answer

A)  taking food into a digestive chamber. 
B)  breaking food down into smaller pieces that can be absorbed into cells. 
C)  moving nutrient molecules into the internal environment. 
D)  expelling indigestible materials. 
E)  all of these. 
A)  taking food into a digestive chamber. 
B)  breaking food down into smaller pieces that can be absorbed into cells. 
C)  moving nutrient molecules into the internal environment. 
D)  expelling indigestible materials. 
E)  all of these.

Exam 23: Digestion and Excretion

____ are multicelled projections that protrude from the lining of the small intestine.

Which of the following animals have broad,flat molars and reduced canines?

Which of the following is true of anorexia nervosa?

Which of the following foods contains the greatest amounts of complex carbohydrates?

The capillaries clustered around kidney tubule cups differ from other capillaries in that they

Which molecules diffuse into the lymph vessels during absorption in the small intestine?

Which of the following organisms has the simplest digestive system?

The arrows in the diagram below are pointing to

Since the 1970s,the percentage of overweight Americans has

The stomach

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 first in urine formation

ADH is essential for ___ homeostasis.

Kidneys filter water and all solutes except ___ from the blood.

Gastric bypass surgery is effective in part because it

Use the above picture to answer the following question(s). -Referring to the above diagram,what structure is labeled "C"?

The body mass index is used to

The cecum is

Blood enters the kidney through ____ and leaves the kidney through ____.

Match the following with these renal processes. a.reabsorption b.filtration c.secretion d.all of these e.none of these -the process that returns glucose to the blood

Biological digestion is defined as

Invitation to Biology

Molecules of Life

Cell Structure

Energy and Metabolism

Capturing and Releasing Energy

DNA Structure and Function

Gene Expression and Control

How Cells Reproduce

Patterns of Inheritance

Biotechnology

Evidence of Evolution

Processes of Evolution

Early Life Forms and the Viruses

Plants and Fungi

Animal Evolution

Population Ecology

Communities and Ecosystems

The Biosphere and Human Effects

Animal Tissues and Organs

How Animals Move

Circulation and Respiration

Immunity

Neural Control and the Senses

Endocrine Control

Reproduction and Development

Plant Form and Function

Plant Reproduction and Development

Filters

Blood enters the kidney through and leaves the kidney through .