Question 1

Animals that hunt and eat essentially only other animals are

Accepted Answer

A) omnivores. 
B) carnivores. 
C) herbivores. 
D) detritivores. 
E) folivores. 
A) omnivores. 
B) carnivores. 
C) herbivores. 
D) detritivores. 
E) folivores. B

Question 2

The chemical composition of urine reflects the process of

Accepted Answer

A) filtration only. 
B) reabsorption only. 
C) secretion only. 
D) filtration and reabsorption only. 
E) filtration,absorption,and secretion. 
A) filtration only. 
B) reabsorption only. 
C) secretion only. 
D) filtration and reabsorption only. 
E) filtration,absorption,and secretion. E

Question 3

The lining of both the stomach and small intestine is protected from digestive enzymes by a mucus secretion.

Accepted Answer

A) True 
 B)False  True

Question 4

Which of the following is an advantage of endothermy over ectothermy?

Accepted Answer

A) Endotherms require less food and energy. 
B) Endotherms require less food. 
C) Endotherms can move quickly even if it is cold. 
D) Endotherms require less energy. 
E) Endotherms can move quickly even if it is cold and use less food. 
A) Endotherms require less food and energy. 
B) Endotherms require less food. 
C) Endotherms can move quickly even if it is cold. 
D) Endotherms require less energy. 
E) Endotherms can move quickly even if it is cold and use less food.

Question 5

The diffusion of water across a membrane that is permeable to water but not to ions and other charged solutes is

Accepted Answer

A) facilitated diffusion. 
B) active transport. 
C) simple diffusion. 
D) osmosis. 
E) phagocytosis. 
A) facilitated diffusion. 
B) active transport. 
C) simple diffusion. 
D) osmosis. 
E) phagocytosis.

Question 6

Diuretics are commonly prescribed drugs for patients with hypertension because they

Accepted Answer

A) decrease blood volume and increase blood pressure. 
B) increase blood volume and blood pressure. 
C) decrease blood volume and blood pressure. 
D) increase blood volume and decrease blood pressure. 
A) decrease blood volume and increase blood pressure. 
B) increase blood volume and blood pressure. 
C) decrease blood volume and blood pressure. 
D) increase blood volume and decrease blood pressure.

Question 7

Cells often use ______________________ to move ions against their concentration gradient.

Accepted Answer

A) simple diffusion 
B) facilitated diffusion 
C) active transport 
D) osmosis 
E) cilia 
A) simple diffusion 
B) facilitated diffusion 
C) active transport 
D) osmosis 
E) cilia

Question 8

Soap is made by oxidizing fats.Bile acids are produced in the body by oxidizing cholesterol.Which of the following is a role of bile acids?

Accepted Answer

A) oxidation of fats 
B) enzymatic digestion of proteins 
C) emulsifying fats 
D) neutralizing bases in the intestines 
E) producing acid for the stomach 
A) oxidation of fats 
B) enzymatic digestion of proteins 
C) emulsifying fats 
D) neutralizing bases in the intestines 
E) producing acid for the stomach

Question 9

Humans may conserve or generate heat in cold weather by

Accepted Answer

A) blood vessels near the surface of the skin constricting only. 
B) both blood vessels near the surface of the skin dilating and shivering. 
C) shivering only. 
D) blood vessels near the surface of the skin dilating only. 
E) both blood vessels near the surface of the skin constricting and shivering. 
A) blood vessels near the surface of the skin constricting only. 
B) both blood vessels near the surface of the skin dilating and shivering. 
C) shivering only. 
D) blood vessels near the surface of the skin dilating only. 
E) both blood vessels near the surface of the skin constricting and shivering.

Question 10

Most multivitamins should be taken with a meal for which reason?

Accepted Answer

A) to provide the energy needed to use the vitamins 
B) to prevent the absorption of water-soluble vitamins 
C) to help with the absorption of fat-soluble vitamins 
D) to provide food for the vitamins to break down 
E) to provide the energy needed to synthesize more vitamins 
A) to provide the energy needed to use the vitamins 
B) to prevent the absorption of water-soluble vitamins 
C) to help with the absorption of fat-soluble vitamins 
D) to provide food for the vitamins to break down 
E) to provide the energy needed to synthesize more vitamins

Question 11

Hyponatremia translates to low sodium in the blood.This is a concern for marathon runners who drink too much water,and can cause life-threatening pressure on the brain.Why would this occur?

Accepted Answer

A) Neurons would take up the sodium from the blood and not be able to polarize. 
B) Neurons would be stimulated to all fire at once. 
C) Neurons would swell by osmosis. 
D) Neurons die in low levels of sodium. 
E) Neurons cannot give the kidneys signals to reabsorb sodium ions. 
A) Neurons would take up the sodium from the blood and not be able to polarize. 
B) Neurons would be stimulated to all fire at once. 
C) Neurons would swell by osmosis. 
D) Neurons die in low levels of sodium. 
E) Neurons cannot give the kidneys signals to reabsorb sodium ions.

Question 12

Morbid obesity is defined as having a BMI (body mass index)of at least

Accepted Answer

A) ten to fifteen. 
B) forty. 
C) twenty. 
D) twenty-five. 
E) thirty. 
A) ten to fifteen. 
B) forty. 
C) twenty. 
D) twenty-five. 
E) thirty.

Question 13

When the concentration of solutes in fluid is higher outside the cell than inside,

Accepted Answer

A) water moves into the cell by osmosis. 
B) water moves into the cell by facilitated diffusion. 
C) water moves out of the cell by facilitated diffusion. 
D) water moves out of the cell by osmosis. 
E) the cell will swell and possibly rupturE. 
A) water moves into the cell by osmosis. 
B) water moves into the cell by facilitated diffusion. 
C) water moves out of the cell by facilitated diffusion. 
D) water moves out of the cell by osmosis. 
E) the cell will swell and possibly rupturE.

Question 14

Rhythmic smooth muscle contractions occurring along the human digestive system that propel food along the system are termed

Accepted Answer

A) countercurrent exchange. 
B) phagocytosis. 
C) peristalsis. 
D) rumination. 
E) sphincter contractions. 
A) countercurrent exchange. 
B) phagocytosis. 
C) peristalsis. 
D) rumination. 
E) sphincter contractions.

Question 15

The hormone secreted by the posterior pituitary that causes the reabsorption of more water by the kidney is

Accepted Answer

A) ADH. 
B) FSH. 
C) GH. 
D) LH. 
E) ACTH. 
A) ADH. 
B) FSH. 
C) GH. 
D) LH. 
E) ACTH.

Question 16

The enzyme that begins the breakdown of starch is lipase.

Accepted Answer

A) True 
 B)False

Question 17

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

Question 18

In the section "Investigating Life: Sniffing Out the Origin of Feathers",birds are most closely related to reptiles,leading the scientists to conclude which of the following?

Accepted Answer

A) Endothermy arose once before the split of mammals and reptiles. 
B) Endothermy arose once and was then lost in reptiles. 
C) Birds are actually more closely related to mammals than reptiles. 
D) Endothermy is not a good way to measure the relationship between species. 
E) Endothermy arose twice after the split of mammals and reptiles. 
A) Endothermy arose once before the split of mammals and reptiles. 
B) Endothermy arose once and was then lost in reptiles. 
C) Birds are actually more closely related to mammals than reptiles. 
D) Endothermy is not a good way to measure the relationship between species. 
E) Endothermy arose twice after the split of mammals and reptiles.

Question 19

Hibernating mammals accumulate large stores of brown fat containing many mitochondria.These mitochondria can burn the fat without generating ATP.What effect would burning fat without generating ATP have on the hibernating mammal?

Accepted Answer

A) reduced body temperature 
B) increased body temperature 
C) increased blood volume 
D) reduced blood volume 
A) reduced body temperature 
B) increased body temperature 
C) increased blood volume 
D) reduced blood volume

Question 20

A person suffering from lactose intolerance cannot break down the disaccharide lactose.Where would lactose be found in a person with lactose intolerance,but not in a lactose tolerant person?

Accepted Answer

A) in the mouth 
B) in the stomach 
C) in the large intestine 
D) in the small intestine 
A) in the mouth 
B) in the stomach 
C) in the large intestine 
D) in the small intestine

Exam 28: Regulating Temperature, nutrients, and Body Fluids

Animals that hunt and eat essentially only other animals are

The chemical composition of urine reflects the process of

The lining of both the stomach and small intestine is protected from digestive enzymes by a mucus secretion.

Which of the following is an advantage of endothermy over ectothermy?

The diffusion of water across a membrane that is permeable to water but not to ions and other charged solutes is

Diuretics are commonly prescribed drugs for patients with hypertension because they

Cells often use ______________________ to move ions against their concentration gradient.

Soap is made by oxidizing fats.Bile acids are produced in the body by oxidizing cholesterol.Which of the following is a role of bile acids?

Humans may conserve or generate heat in cold weather by

Most multivitamins should be taken with a meal for which reason?

Hyponatremia translates to low sodium in the blood.This is a concern for marathon runners who drink too much water,and can cause life-threatening pressure on the brain.Why would this occur?

Morbid obesity is defined as having a BMI (body mass index)of at least

When the concentration of solutes in fluid is higher outside the cell than inside,

Rhythmic smooth muscle contractions occurring along the human digestive system that propel food along the system are termed

The hormone secreted by the posterior pituitary that causes the reabsorption of more water by the kidney is

The enzyme that begins the breakdown of starch is lipase.

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

In the section "Investigating Life: Sniffing Out the Origin of Feathers",birds are most closely related to reptiles,leading the scientists to conclude which of the following?

Hibernating mammals accumulate large stores of brown fat containing many mitochondria.These mitochondria can burn the fat without generating ATP.What effect would burning fat without generating ATP have on the hibernating mammal?

A person suffering from lactose intolerance cannot break down the disaccharide lactose.Where would lactose be found in a person with lactose intolerance,but not in a lactose tolerant person?

Scientific Study of Life

The Chemistry of Life

Cells

The Energy of Life

Photosynthesis

How Cells Release Energy

DNA Structure and Gene Function

DNA Replication and Cell Division

Sexual Reproduction and Meiosis

Patterns of Inheritance

DNA Technology

Forces of Evolutionary Change

Evidence of Evolution

Speciation and Extinction

Evolution and Diversity of Microbial Life

Evolution and Diversity of Plants

Evolution and Diversity of Animals

Population Ecology

Communities and Ecosystems

Preserving Biodiversity

Plant Form and Function

Reproduction and Development of Flowering Plants

Animal Tissues and Organ Systems

Nervous System and the Senses

The Endocrine System

The Skeletal and Muscular Systems

The Circulatory and Respiratory Systems

The Immune System

Animal Reproduction and Development

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