Question 1

Why must amphibians remain moist? ​

Accepted Answer

Even though an amphibian may contain lun

Question 2

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 3

Match between columns
                        Premises: aorta

Accepted Answer

The Answer of  K and  D and  is...

Question 4

Match between columns
                        Premises: right ventricle

Accepted Answer

The Answer of  J and  F and  is...

Question 5

Match between columns
                        Premises: right lymphatic duct

Accepted Answer

The Answer of  G and  E and  is...

Question 6

Arrange the structures that control cardiac output in the correct order. ​

Accepted Answer

A) baroreceptors → brain stem → autonomic nervous system → heart 
B) baroreceptors → heart → brain stem → autonomic nervous system 
C) brain stem → baroreceptors → autonomic nervous system → heart 
D) autonomic nervous system → brain stem → heart → baroreceptors 
E) heart → baroreceptors → autonomic nervous system → brain stem 
A) baroreceptors → brain stem → autonomic nervous system → heart 
B) baroreceptors → heart → brain stem → autonomic nervous system 
C) brain stem → baroreceptors → autonomic nervous system → heart 
D) autonomic nervous system → brain stem → heart → baroreceptors 
E) heart → baroreceptors → autonomic nervous system → brain stem

Question 7

Fish have a circulatory system that contains two ventricles and two atria. ​

Accepted Answer

A) True 
 B)False

Question 8

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 9

Hypertension is a complication associated with ____. ​

Accepted Answer

A) too little exercise ​ 
B) disorders involving the adrenal medulla 
C) relaxing of blood vessel walls 
D) stiffening of blood vessel walls 
E) too much exercise 
A) too little exercise ​ 
B) disorders involving the adrenal medulla 
C) relaxing of blood vessel walls 
D) stiffening of blood vessel walls 
E) too much exercise

Question 10

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

Accepted Answer

A) True 
 B)False

Question 11

An open circulatory system ____. ​

Accepted Answer

A) contains blood in blood vessels 
B) is composed of two circulatory systems 
C) mixes hemolymph and interstitial fluids together 
D) is more efficient than a closed system 
E) opens directly to the outside 
A) contains blood in blood vessels 
B) is composed of two circulatory systems 
C) mixes hemolymph and interstitial fluids together 
D) is more efficient than a closed system 
E) opens directly to the outside

Question 12

Nitric oxide (NO)serves as a local signal for vasodilation because it ____. ​

Accepted Answer

A) is broken down quickly ​ 
B) dissipates quickly 
C) recycles rapidly in cells 
D) counteracts the action of oxygen 
E) blocks adrenergic receptors 
A) is broken down quickly ​ 
B) dissipates quickly 
C) recycles rapidly in cells 
D) counteracts the action of oxygen 
E) blocks adrenergic receptors

Question 13

The gastrovascular cavity of a sponge serves important functions in both the circulatory and ____ systems. ​

Accepted Answer

A) digestive 
B) endocrine 
C) muscular 
D) reproductive 
E) urinary ​ 
A) digestive 
B) endocrine 
C) muscular 
D) reproductive 
E) urinary ​

Question 14

Match between columns
                        Premises: lymph nodes

Accepted Answer

The Answer of  D and  F and  is...

Question 15

An animal's circulatory system contains ____. ​

Accepted Answer

A) solid medium to transport nitrogen 
B) blood vessels for transporting solid food 
C) blood vessels leading to the heart 
D) a mouth opening to the outside 
E) nitrogen to transport wastes ​ 
A) solid medium to transport nitrogen 
B) blood vessels for transporting solid food 
C) blood vessels leading to the heart 
D) a mouth opening to the outside 
E) nitrogen to transport wastes ​

Question 16

Match between columns
                        Premises: left atrium

Accepted Answer

The Answer of  C and  H and  is...

Question 17

Hematocrit makes up approximately ____ percent of the total blood volume. ​

Accepted Answer

A) 10 
B) 25 
C) 45 
D) 50 
E) 70 
A) 10 
B) 25 
C) 45 
D) 50 
E) 70

Question 18

The baroreceptors are located in the ____. ​

Accepted Answer

A) adrenal glands 
B) brainstem 
C) heart 
D) erythrocytes 
E) walls of blood vessels 
A) adrenal glands 
B) brainstem 
C) heart 
D) erythrocytes 
E) walls of blood vessels

Question 19

A lymph capillary is composed of ____. ​

Accepted Answer

A) a single layer of endothelial cells surrounded by collagen fibers ​ 
B) a single layer of endothelial cells surrounded by elastic fibers 
C) collagen fibers only 
D) elastic fibers only 
E) a single layer of endothelial cells only 
A) a single layer of endothelial cells surrounded by collagen fibers ​ 
B) a single layer of endothelial cells surrounded by elastic fibers 
C) collagen fibers only 
D) elastic fibers only 
E) a single layer of endothelial cells only

Question 20

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

Exam 44: The Circulatory System

Why must amphibians remain moist? ​

Epinephrine raises blood pressure by ____. ​

Arrange the structures that control cardiac output in the correct order. ​

Fish have a circulatory system that contains two ventricles and two atria. ​

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

Hypertension is a complication associated with ____. ​

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

An open circulatory system ____. ​

Nitric oxide (NO)serves as a local signal for vasodilation because it ____. ​

The gastrovascular cavity of a sponge serves important functions in both the circulatory and ____ systems. ​

An animal's circulatory system contains ____. ​

Hematocrit makes up approximately ____ percent of the total blood volume. ​

The baroreceptors are located in the ____. ​

A lymph capillary is composed of ____. ​

The ____ component of plasma constitutes antibodies. ​

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

From DNA to Protein

Regulation of Gene Expression

Bacterial and Viral Genetics

Dna Technologies: 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

Animal Nutrition

Regulating the Internal Environment

Animal Reproduction

Animal Development

Ecology and the Biosphere

Population Ecology

Population Interactions and Community Ecology

Ecosystems

Biodiversity and Conservation Biology

Animal Behavior

Filters

Why must amphibians remain moist?

Epinephrine raises blood pressure by ____.

Arrange the structures that control cardiac output in the correct order.

Fish have a circulatory system that contains two ventricles and two atria.

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

Hypertension is a complication associated with ____.

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

An open circulatory system ____.

Nitric oxide (NO)serves as a local signal for vasodilation because it ____.

The gastrovascular cavity of a sponge serves important functions in both the circulatory and ____ systems.

An animal's circulatory system contains ____.

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

The baroreceptors are located in the ____.

A lymph capillary is composed of ____.

The ____ component of plasma constitutes antibodies.