Question 1

Actual gas exchange occurs through the walls of the ____.

Accepted Answer

A)  arteries 
B)  arterioles 
C)  capillaries 
D)  veins 
E)  venules 
A)  arteries 
B)  arterioles 
C)  capillaries 
D)  veins 
E)  venules

Question 2

Hematocrit makes up approximately ____ % of the total blood volume.

Accepted Answer

A)  10 
B)  25 
C)  45 
D)  55 
E)  70 
A)  10 
B)  25 
C)  45 
D)  55 
E)  70

Question 3

In Waller's experiment, he placed each of his feet into a pan containing ____.

Accepted Answer

A)  carbon dioxide 
B)  iron 
C)  mercury 
D)  pure water 
E)  salt solution 
A)  carbon dioxide 
B)  iron 
C)  mercury 
D)  pure water 
E)  salt solution

Question 4

Why are veins less elastic than arteries?

Accepted Answer

When blood enters the arteries, it is tr

Question 5

Match between columns
                        Premises: lymph vessels
thoracic duct
spleen
lymph nodes
right lymphatic duct

Accepted Answer

The Answer of A and G and B and F is...

Question 6

The main function of erythrocytes is to ____.

Accepted Answer

A)  carry oxygen 
B)  form clots 
C)  fight off infections 
D)  produce blood cells 
E)  secrete erythropoietin 
A)  carry oxygen 
B)  form clots 
C)  fight off infections 
D)  produce blood cells 
E)  secrete erythropoietin

Question 7

Which substance or cell is too large to pass through capillary walls?

Accepted Answer

A)  erythrocytes 
B)  glucose 
C)  ions 
D)  water 
E)  carbon dioxide 
A)  erythrocytes 
B)  glucose 
C)  ions 
D)  water 
E)  carbon dioxide

Question 8

While running, ____.

Accepted Answer

A)  only diastolic blood pressure increases 
B)  only systolic blood pressure increases 
C)  both diastolic and systolic blood pressures increase 
D)  both diastolic and systolic blood pressures decrease 
E)  there would be no change in either diastolic or systolic blood pressure 
A)  only diastolic blood pressure increases 
B)  only systolic blood pressure increases 
C)  both diastolic and systolic blood pressures increase 
D)  both diastolic and systolic blood pressures decrease 
E)  there would be no change in either diastolic or systolic blood pressure

Question 9

The purpose(s) of two circuits in a closed circulatory system is to ____.

Accepted Answer

A)  collect and distribute blood within the heart 
B)  take blood to and from all parts of the body 
C)  take blood to and from the lungs 
D)  keep oxygenated and deoxygenated blood separate 
E)  allow oxygenated and deoxygenated blood to mix 
A)  collect and distribute blood within the heart 
B)  take blood to and from all parts of the body 
C)  take blood to and from the lungs 
D)  keep oxygenated and deoxygenated blood separate 
E)  allow oxygenated and deoxygenated blood to mix

Question 10

The ____ component of plasma constitutes antibodies.

Accepted Answer

A)  albumin 
B)  dissolved gas 
C)  fibrinogen 
D)  hormone 
E)  immunoglobulin 
A)  albumin 
B)  dissolved gas 
C)  fibrinogen 
D)  hormone 
E)  immunoglobulin

Question 11

The lymphatic system returns ____ liters of fluid to the bloodstream each day.

Accepted Answer

A)  1 to 2 
B)  3 to 4 
C)  6 to 7 
D)  10 to 13 
E)  more than 50 
A)  1 to 2 
B)  3 to 4 
C)  6 to 7 
D)  10 to 13 
E)  more than 50

Question 12

Epinephrine raises blood pressure by ____.

Accepted Answer

A)  increasing the strength and rate of the heartbeat 
B)  decreasing the strength and rate of the heartbeat 
C)  stimulating vasodilation 
D)  reducing vasodilation 
E)  decreasing blood flow to the heart, skeletal muscles, and lungs 
A)  increasing the strength and rate of the heartbeat 
B)  decreasing the strength and rate of the heartbeat 
C)  stimulating vasodilation 
D)  reducing vasodilation 
E)  decreasing blood flow to the heart, skeletal muscles, and lungs

Question 13

Why must amphibians remain moist?

Accepted Answer

Even though an amphibian may contain lun

Question 14

When the body experiences stress, the sympathetic division of the autonomic nervous system stimulates the adrenal medulla to release ____.

Accepted Answer

A)  epinephrine only 
B)  norepinephrine only 
C)  knockout hormones only 
D)  epinephrine and norepinephrine 
E)  epinephrine, norepinephrine, and knockout hormones 
A)  epinephrine only 
B)  norepinephrine only 
C)  knockout hormones only 
D)  epinephrine and norepinephrine 
E)  epinephrine, norepinephrine, and knockout hormones

Question 15

The primary function of erythrocytes is to participate in immune reactions.

Accepted Answer

A) True 
 B)False

Question 16

Amphibians can accomplish gas exchange using ____.

Accepted Answer

A)  gills only 
B)  lungs only 
C)  respiration through the skin only 
D)  both gills and lungs 
E)  gills, lungs, and respiration through the skin 
A)  gills only 
B)  lungs only 
C)  respiration through the skin only 
D)  both gills and lungs 
E)  gills, lungs, and respiration through the skin

Question 17

Chronic hypertension is dangerous to a person's health because ____.

Accepted Answer

A)  the pressure buildup can cause veins to rupture 
B)  it can lead to damage to the endothelial cells lining the arteries and veins 
C)  it makes the heart work too hard 
D)  it tears capillaries 
E)  the pressure diverts blood from the brain 
A)  the pressure buildup can cause veins to rupture 
B)  it can lead to damage to the endothelial cells lining the arteries and veins 
C)  it makes the heart work too hard 
D)  it tears capillaries 
E)  the pressure diverts blood from the brain

Question 18

The risk of heart attacks and stroke can be reduced by avoiding conditions that damage the blood vessel endothelium .

Accepted Answer

A) True 
 B)False

Question 19

What causes deep venous thrombosis?

Accepted Answer

A)  anemia 
B)  decreased skeletal muscle action 
C)  high blood pressure 
D)  increased skeletal muscle action 
E)  low blood pressure 
A)  anemia 
B)  decreased skeletal muscle action 
C)  high blood pressure 
D)  increased skeletal muscle action 
E)  low blood pressure

Question 20

The main force that moves blood throughout the system of blood vessels is ____.

Accepted Answer

A)  arterial blood pressure 
B)  skeletal muscle action 
C)  smooth muscle action 
D)  valve action 
E)  venous blood pressure 
A)  arterial blood pressure 
B)  skeletal muscle action 
C)  smooth muscle action 
D)  valve action 
E)  venous blood pressure

Exam 44: The Circulatory System

Actual gas exchange occurs through the walls of the ____.

Hematocrit makes up approximately ____ % of the total blood volume.

In Waller's experiment, he placed each of his feet into a pan containing ____.

Why are veins less elastic than arteries?

The main function of erythrocytes is to ____.

Which substance or cell is too large to pass through capillary walls?

While running, ____.

The purpose(s) of two circuits in a closed circulatory system is to ____.

The ____ component of plasma constitutes antibodies.

The lymphatic system returns ____ liters of fluid to the bloodstream each day.

Epinephrine raises blood pressure by ____.

Why must amphibians remain moist?

When the body experiences stress, the sympathetic division of the autonomic nervous system stimulates the adrenal medulla to release ____.

The primary function of erythrocytes is to participate in immune reactions.

Amphibians can accomplish gas exchange using ____.

Chronic hypertension is dangerous to a person's health because ____.

The risk of heart attacks and stroke can be reduced by avoiding conditions that damage the blood vessel endothelium .

What causes deep venous thrombosis?

The main force that moves blood throughout the system of blood vessels is ____.

Introduction to Biological Concepts and Research

Life, Chemistry, and Water

Biological Molecules: the Carbon Compounds of Life

Cells

Membranes and Transport

Energy, Enzymes, and Biological Reactions

Cellular Respiration: Harvesting Chemical Energy

Photosynthesis

Cell Communication

Cell Division and Mitosis

Meiosis: the Cellular Basis of Sexual Reproduction

Mendel, Genes, and Inheritance

Genes, Chromosomes, and Human Genetics

Dna Structure, Replication, and Organization

Gene Expression: From Dna to Protein

Regulation of Gene Expression

Bacterial and Viral Genetics

Dna Technology: Making and Using Genetically Altered Organisms, and Other Applications

Genomes and Proteomes

The Development of Evolutionary Thought

Microevolution: Genetic Changes Within Populations

Speciation

Paleobiology and Macroevolution

Systematic Biology: Phylogeny and Classification

The Origin of Life

Prokaryotes and Viruses

Protists

Seedless Plants

Seed Plants

Fungi

Animal Phylogeny, Acoelomates, and Protostomes

Deuterostomes: Vertebrates and Their Closest Relatives

The Plant Body

Transport in Plants

Plant Nutrition

Reproduction and Development in Flowering Plants

Plant Signals and Responses to the Environment

Introduction to Animal Organization and Physiology

Information Flow and the Neuron

Nervous Systems

Sensory Systems

The Endocrine System

Muscles, Bones, and Body Movements

Defenses Against Disease

Gas Exchange: the Respiratory System

Digestive Systems and Animal Nutrition

Regulating the Internal Environment: Osmoregulation, Excretion, and Thermoregulation

Animal Reproduction

Animal Development

Ecology and the Biosphere

Population Ecology

Population Interactions and Community Ecology

Ecosystems

Biodiversity and Conservation Biology

Animal Behavior

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