Question 1

Figure 44-1   Consider the fluid transported by the system depicted in the accompanying figure. Which statement is FALSE with regard to this system?

Accepted Answer

A)  It accumulates in a blood cavity called a hemocoel. 
B)  It is also called hemolymph. 
C)  It can be found in grasshoppers. 
D)  It has hemoglobin as the oxygen transporting pigment. 
E)  It fills spaces called sinuses. 
A)  It accumulates in a blood cavity called a hemocoel. 
B)  It is also called hemolymph. 
C)  It can be found in grasshoppers. 
D)  It has hemoglobin as the oxygen transporting pigment. 
E)  It fills spaces called sinuses.

Question 2

An electrocardiogram (ECG, EKG) is a measure of the heart's:

Accepted Answer

A)  electrical system. 
B)  blood flow to the body. 
C)  contraction rate. 
D)  blood flow to heart muscle. 
E)  pumping ability. 
A)  electrical system. 
B)  blood flow to the body. 
C)  contraction rate. 
D)  blood flow to heart muscle. 
E)  pumping ability.

Question 3

The blood pressure in the veins of your toe is most likely higher than the blood pressure in the arteries of your little finger.

Accepted Answer

A) True 
 B)False

Question 4

____ are leukocytes that produce antibodies.

Accepted Answer

A)  Lymphocytes 
B)  Basophils 
C)  Eosinophils 
D)  Monocytes 
E)  Neutrophils 
A)  Lymphocytes 
B)  Basophils 
C)  Eosinophils 
D)  Monocytes 
E)  Neutrophils

Question 5

The tricuspid valve is located between the right atrium and the right ventricle.

Accepted Answer

A) True 
 B)False

Question 6

In the clotting process, fibrinogen is converted to fibrin.

Accepted Answer

A) True 
 B)False

Question 7

Discuss how the nervous system is involved in the regulation of heart rate.

Accepted Answer

Concepts to Consider: Both the medulla a

Question 8

The first heart sound (lub) is produced by the closing of the ____ and ____ valves.

Accepted Answer

A)  aortic semilunar; pulmonary semilunar 
B)  right atrioventricular; aortic semilunar 
C)  left atrioventricular; pulmonary semilunar 
D)  right atrioventricular; left atrioventricular 
E)  mitral; left atrioventricular 
A)  aortic semilunar; pulmonary semilunar 
B)  right atrioventricular; aortic semilunar 
C)  left atrioventricular; pulmonary semilunar 
D)  right atrioventricular; left atrioventricular 
E)  mitral; left atrioventricular

Question 9

Compare and contrast internal transportation as conducted by an open and closed circulatory system. Also, identify two animals representative of each type of circulatory system.

Accepted Answer

Open and closed circulatory systems each

Question 10

The ____ valve guards the opening between the right atrium and the right ventricle.

Accepted Answer

A)  tricuspid 
B)  bicuspid 
C)  semilunar 
D)  atrial 
E)  mitral 
A)  tricuspid 
B)  bicuspid 
C)  semilunar 
D)  atrial 
E)  mitral

Question 11

Figure 44-3 Use the figure to answer the corresponding question(s).   (Posterior View)
Refer to the accompanying figure. Which structure would carry blood to the systemic (body) circulation?

Accepted Answer

A)  1 
B)  2 
C)  6 
D)  7 
E)  14 
A)  1 
B)  2 
C)  6 
D)  7 
E)  14

Question 12

A vein always carries:

Accepted Answer

A)  blood to the heart. 
B)  blood from the heart. 
C)  oxygen-rich blood. 
D)  oxygen-poor blood. 
E)  blood rich in carbon dioxide. 
A)  blood to the heart. 
B)  blood from the heart. 
C)  oxygen-rich blood. 
D)  oxygen-poor blood. 
E)  blood rich in carbon dioxide.

Question 13

Blood flows from the left ventricle into the pulmonary artery.

Accepted Answer

A) True 
 B)False

Question 14

Mammalian red blood cells:

Accepted Answer

A)  are phagocytic. 
B)  contain a lobed nucleus. 
C)  have a one-day lifespan. 
D)  are produced in the liver. 
E)  are produced in response to erythropoietin. 
A)  are phagocytic. 
B)  contain a lobed nucleus. 
C)  have a one-day lifespan. 
D)  are produced in the liver. 
E)  are produced in response to erythropoietin.

Question 15

When impulses are conducted through the heart, transmission is delayed at the ____ so that the____ may contract before the ____.

Accepted Answer

A)  sinoatrial node; atria; ventricles 
B)  sinoatrial node; ventricles; atria 
C)  atrioventricular bundle; atria; ventricles 
D)  atrioventricular node; ventricles; atria 
E)  atrioventricular node; atria; ventricles 
A)  sinoatrial node; atria; ventricles 
B)  sinoatrial node; ventricles; atria 
C)  atrioventricular bundle; atria; ventricles 
D)  atrioventricular node; ventricles; atria 
E)  atrioventricular node; atria; ventricles

Question 16

What physiological processes occur in response to an increase in blood pressure?

Accepted Answer

Concepts to Consider: Baroreceptors in t

Question 17

Which of the following structures is considered to be the pacemaker of the heart?

Accepted Answer

A)  atrioventricular node 
B)  sinoatrial node 
C)  atrioventricular bundle 
D)  Purkinje fibers 
E)  intercalated discs 
A)  atrioventricular node 
B)  sinoatrial node 
C)  atrioventricular bundle 
D)  Purkinje fibers 
E)  intercalated discs

Question 18

Chordae tendineae:

Accepted Answer

A)  hold the AV valves in place. 
B)  contract when the heart contracts. 
C)  are one part of the conductance system of the heart. 
D)  regulate blood flow into the ventricles. 
E)  are stretched during ventricular systole. 
A)  hold the AV valves in place. 
B)  contract when the heart contracts. 
C)  are one part of the conductance system of the heart. 
D)  regulate blood flow into the ventricles. 
E)  are stretched during ventricular systole.

Question 19

You enjoy a lot of salt on your food. One of the long-term effects will be an increase in blood volume. This increase in blood volume will eventually result in a(n):

Accepted Answer

A)  decrease in cardiac output. 
B)  increase in blood pressure. 
C)  decrease in stroke volume. 
D)  decrease in the force of contraction of the heart. 
E)  increase in body temperature. 
A)  decrease in cardiac output. 
B)  increase in blood pressure. 
C)  decrease in stroke volume. 
D)  decrease in the force of contraction of the heart. 
E)  increase in body temperature.

Question 20

All arteries, with the exception of the ____, contain oxygen-rich blood.

Accepted Answer

A)  aorta 
B)  carotid arteries 
C)  coronary arteries 
D)  pulmonary arteries 
E)  mesenteric arteries 
A)  aorta 
B)  carotid arteries 
C)  coronary arteries 
D)  pulmonary arteries 
E)  mesenteric arteries

Exam 44: Internal Transport

Figure 44-1 Consider the fluid transported by the system depicted in the accompanying figure. Which statement is FALSE with regard to this system?

An electrocardiogram (ECG, EKG) is a measure of the heart's:

The blood pressure in the veins of your toe is most likely higher than the blood pressure in the arteries of your little finger.

____ are leukocytes that produce antibodies.

The tricuspid valve is located between the right atrium and the right ventricle.

In the clotting process, fibrinogen is converted to fibrin.

Discuss how the nervous system is involved in the regulation of heart rate.

The first heart sound (lub) is produced by the closing of the ____ and ____ valves.

Compare and contrast internal transportation as conducted by an open and closed circulatory system. Also, identify two animals representative of each type of circulatory system.

The ____ valve guards the opening between the right atrium and the right ventricle.

Figure 44-3 Use the figure to answer the corresponding question(s). (Posterior View) Refer to the accompanying figure. Which structure would carry blood to the systemic (body) circulation?

A vein always carries:

Blood flows from the left ventricle into the pulmonary artery.

Mammalian red blood cells:

When impulses are conducted through the heart, transmission is delayed at the ____ so that the____ may contract before the ____.

What physiological processes occur in response to an increase in blood pressure?

Which of the following structures is considered to be the pacemaker of the heart?

Chordae tendineae:

You enjoy a lot of salt on your food. One of the long-term effects will be an increase in blood volume. This increase in blood volume will eventually result in a(n):

All arteries, with the exception of the ____, contain oxygen-rich blood.

A View of Life

Atoms and Molecules the Chemical Basis of Life

The Chemistry of Life Organic Compounds

Organization of the Cell

Biological Membranes

Cell Communication

Energy and Metabolism

How Cells Make Atp Energy-Releasing Pathways

Photosynthesis Capturing Light Energy

Chromosomes, Mitosis, and Meiosis

The Basic Principles of Heredity

Dna the Carrier of Genetic Information

Gene Expression

Gene Regulation

Dna Technology and Genomics

Human Genetics and the Human Genome

Developmental Genetics

Introduction to Darwinian Evolution

Evolutionary Change in Populations

Speciation and Macroevolution

The Origin and Evolutionary History of Life

The Evolution of Primates

Understanding Diversity Systematics

Viruses and Subviral Agents

Bacteria and Archaea

Protists

Seedless Plants

Seed Plants

The Fungi

An Introduction to Animal Diversity

Sponges, Cnidarians, Ctenophores, and Protostomes

The Deuterostomes

Plant Structure Growth and Development

Leaf Structure and Function

Stem Structure and Transport

Roots and Mineral Nutrition

Reproduction in Flowering Plants

Plant Developmental Responses to External and Internal Signals

Animal Structure and Function an Introduction

Protection Support and Movement

Neural Signaling

Neural Regulation

Sensory Systems

The Immune System Internal Defense

Gas Exchange

Processing Food and Nutrition

Osmoregulation and Disposal of Metabolic Wastes

Endocrine Regulation

Reproduction

Animal Development

Animal Behavior

Introduction to Ecology Population Ecology

Community Ecology

Ecosystems and the Biosphere

Ecology and the Geography of Life

Biological Diversity and Conservation Biology

Filters

The first heart sound (lub) is produced by the closing of the and valves.

When impulses are conducted through the heart, transmission is delayed at the so that the may contract before the .