Question 1

Why doesn't a flatworm have a circulatory system?

Accepted Answer

A)  The animal is flat enough to permit effective gas exchange by diffusion. 
B)  There is not enough room for a circulatory system. 
C)  The animal lacks muscles, so it could not have a heart to pump blood. 
D)  Only bilaterally symmetrical animals need a circulatory system. 
E)  Only vertebrates have circulatory systems. 
A)  The animal is flat enough to permit effective gas exchange by diffusion. 
B)  There is not enough room for a circulatory system. 
C)  The animal lacks muscles, so it could not have a heart to pump blood. 
D)  Only bilaterally symmetrical animals need a circulatory system. 
E)  Only vertebrates have circulatory systems. A

Question 2

One purpose of the lymphatic system is to:

Accepted Answer

A)  transport nutrients and oxygen. 
B)  return interstitial fluid to the blood. 
C)  block the transport of blood proteins. 
D)  produce red blood cells. 
E)  deliver carbon dioxide to the heart. 
A)  transport nutrients and oxygen. 
B)  return interstitial fluid to the blood. 
C)  block the transport of blood proteins. 
D)  produce red blood cells. 
E)  deliver carbon dioxide to the heart. B

Question 3

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 D

Question 4

Which of the following is a mass of lymph tissue under the lining of the oral cavity and throat?

Accepted Answer

A)  Thymus gland 
B)  Spleen 
C)  Thoracic duct 
D)  Thyroid 
E)  Tonsil 
A)  Thymus gland 
B)  Spleen 
C)  Thoracic duct 
D)  Thyroid 
E)  Tonsil

Question 5

Which of the following has the largest impact on whether diffusion alone will move nutrients within an organism?

Accepted Answer

A)  Shape of organism 
B)  Size of organism 
C)  Environment of organism 
D)  Nutrient being moved 
E)  Atmosphere around organism 
A)  Shape of organism 
B)  Size of organism 
C)  Environment of organism 
D)  Nutrient being moved 
E)  Atmosphere around organism

Question 6

Figure 44-1 ​
 
​
The oxygen-transporting pigment found in the system depicted in the accompanying figure is most likely:

Accepted Answer

A)  hemoglobin. 
B)  hemolymph. 
C)  hemocyanin. 
D)  globulin. 
E)  erythropoietin. 
A)  hemoglobin. 
B)  hemolymph. 
C)  hemocyanin. 
D)  globulin. 
E)  erythropoietin.

Question 7

The pacemaker is located in the atrioventricular node.

Accepted Answer

A) True 
 B)False

Question 8

Figure 44-2 ​
 
​
Refer to the accompanying figure. Which cell type is the source of antibodies?

Accepted Answer

A)  A only 
B)  B only 
C)  C only 
D)  D only 
E)  both A and B 
A)  A only 
B)  B only 
C)  C only 
D)  D only 
E)  both A and B

Question 9

A vertebrate's circulatory system would include:

Accepted Answer

A)  open blood vessels. 
B)  closed blood vessels. 
C)  hemolymph. 
D)  a hemocoel. 
E)  hemocyanin. 
A)  open blood vessels. 
B)  closed blood vessels. 
C)  hemolymph. 
D)  a hemocoel. 
E)  hemocyanin.

Question 10

Match between columns
                        Premises: Transports blood that contains the highest concentration of oxygen

Accepted Answer

The Answer of Pulmonary vein and Pulmonary artery and Aorta is...

Question 11

Serum is plasma without the proteins involved in clotting.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following valves are held in place by the chordae tendineae?

Accepted Answer

A)  Semilunar valves 
B)  Mitral valves 
C)  Septal valves 
D)  Pulmonary valves 
E)  Aortic valves 
A)  Semilunar valves 
B)  Mitral valves 
C)  Septal valves 
D)  Pulmonary valves 
E)  Aortic valves

Question 13

The semilunar valves prevent blood from moving:

Accepted Answer

A)  from the atria back into the veins. 
B)  from the ventricles back into the atria. 
C)  from the arteries back into the ventricles. 
D)  moving backward in the capillaries. 
E)  moving backward in the arteries. 
A)  from the atria back into the veins. 
B)  from the ventricles back into the atria. 
C)  from the arteries back into the ventricles. 
D)  moving backward in the capillaries. 
E)  moving backward in the arteries.

Question 14

In which animals would diffusion alone not be an effective transport mechanism for gas exchange?

Accepted Answer

A)  Nematodes 
B)  Sponges 
C)  Cnidarians 
D)  Annelids 
E)  Flatworms 
A)  Nematodes 
B)  Sponges 
C)  Cnidarians 
D)  Annelids 
E)  Flatworms

Question 15

Which plasma protein(s) will be important immediately following a small cut on your finger?

Accepted Answer

A)  Serum 
B)  High-density lipoproteins 
C)  Beta globulins 
D)  Fibrinogen 
E)  Gamma globulin 
A)  Serum 
B)  High-density lipoproteins 
C)  Beta globulins 
D)  Fibrinogen 
E)  Gamma globulin

Question 16

Adding a fibrinogen inactivator to blood would prevent:

Accepted Answer

A)  the formation of thrombin. 
B)  platelet formation. 
C)  the blood from clotting. 
D)  constriction of the blood vessels. 
E)  hemoglobin synthesis. 
A)  the formation of thrombin. 
B)  platelet formation. 
C)  the blood from clotting. 
D)  constriction of the blood vessels. 
E)  hemoglobin synthesis.

Question 17

Metarterioles directly link arterioles with venules.

Accepted Answer

A) True 
 B)False

Question 18

Which of the following are agranular leukocytes?

Accepted Answer

A)  Neutrophils and basophils 
B)  Basophils and eosinophils 
C)  Monocytes and lymphocytes 
D)  Eosinophils and lymphocytes 
E)  Neutrophils and monocytes 
A)  Neutrophils and basophils 
B)  Basophils and eosinophils 
C)  Monocytes and lymphocytes 
D)  Eosinophils and lymphocytes 
E)  Neutrophils and monocytes

Question 19

Which of the following is the oxygen-transport pigment that gives vertebrate blood its pink color?

Accepted Answer

A)  Hemoglobin 
B)  Myoglobin 
C)  Chlorophyll 
D)  Hemocyanin 
E)  Erythropoietin 
A)  Hemoglobin 
B)  Myoglobin 
C)  Chlorophyll 
D)  Hemocyanin 
E)  Erythropoietin

Question 20

What is one difference between the erythrocytes of mammals and other vertebrates?

Accepted Answer

A)  Mammalian erythrocytes lack nuclei. 
B)  Mammalian erythrocytes respond to changes in water concentration. 
C)  Mammalian erythrocytes are oval with swollen centers. 
D)  Other vertebrates do not have erythrocytes. 
E)  Other vertebrates use a respiratory pigment other than hemoglobin. 
A)  Mammalian erythrocytes lack nuclei. 
B)  Mammalian erythrocytes respond to changes in water concentration. 
C)  Mammalian erythrocytes are oval with swollen centers. 
D)  Other vertebrates do not have erythrocytes. 
E)  Other vertebrates use a respiratory pigment other than hemoglobin.

Exam 44: Internal Transport

Why doesn't a flatworm have a circulatory system?

One purpose of the lymphatic system is to:

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?

Which of the following is a mass of lymph tissue under the lining of the oral cavity and throat?

Which of the following has the largest impact on whether diffusion alone will move nutrients within an organism?

Figure 44-1 ​ ​ The oxygen-transporting pigment found in the system depicted in the accompanying figure is most likely:

The pacemaker is located in the atrioventricular node.

Figure 44-2 ​ ​ Refer to the accompanying figure. Which cell type is the source of antibodies?

A vertebrate's circulatory system would include:

Serum is plasma without the proteins involved in clotting.

Which of the following valves are held in place by the chordae tendineae?

The semilunar valves prevent blood from moving:

In which animals would diffusion alone not be an effective transport mechanism for gas exchange?

Which plasma protein(s) will be important immediately following a small cut on your finger?

Adding a fibrinogen inactivator to blood would prevent:

Metarterioles directly link arterioles with venules.

Which of the following are agranular leukocytes?

Which of the following is the oxygen-transport pigment that gives vertebrate blood its pink color?

What is one difference between the erythrocytes of mammals and other vertebrates?

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

Figure 44-1 The oxygen-transporting pigment found in the system depicted in the accompanying figure is most likely:

Figure 44-2 Refer to the accompanying figure. Which cell type is the source of antibodies?