Question 1

Which structure does blood pass through immediately before entering the right atrium?

Accepted Answer

A) vena cava 
B) aorta 
C) atrioventricular valve 
D) semilunar valve 
E) left atrium 
A) vena cava 
B) aorta 
C) atrioventricular valve 
D) semilunar valve 
E) left atrium

Question 2

Which of these white blood cells are phagocytic?

Accepted Answer

A) lymphocytes 
B) neutrophils 
C) macrophages 
D) both neutrophils and macrophages 
E) both lymphocytes and macrophages 
A) lymphocytes 
B) neutrophils 
C) macrophages 
D) both neutrophils and macrophages 
E) both lymphocytes and macrophages

Question 3

Which statement is NOT true about red blood cells?

Accepted Answer

A) They are biconcave disks that lack nuclei when mature. 
B) Their normal life span is about 120 days. 
C) Hemoglobin is a protein that binds oxygen loosely to transport it. 
D) There are about 6 million red blood cells per cubic millimeter of whole blood. 
E) They are mainly produced in the liver. 
A) They are biconcave disks that lack nuclei when mature. 
B) Their normal life span is about 120 days. 
C) Hemoglobin is a protein that binds oxygen loosely to transport it. 
D) There are about 6 million red blood cells per cubic millimeter of whole blood. 
E) They are mainly produced in the liver.

Question 4

The human heart is composed of

Accepted Answer

A) muscle fibers called myocardium. 
B) an outer membranous sac called the pericardium. 
C) endocardium. 
D) All of the choices are correct. 
E) smooth muscle fibers. 
A) muscle fibers called myocardium. 
B) an outer membranous sac called the pericardium. 
C) endocardium. 
D) All of the choices are correct. 
E) smooth muscle fibers.

Question 5

What is the main difference between an open circulatory system and a closed one?

Accepted Answer

A) An open system will have the blood leave the blood vessels and dump into the hemocoel while the closed one will retain the blood within the system. 
B) An open system will keep the blood within the blood vessels while the closed one will dump the blood into the hemocoel. 
C) An open system will have the blood leave the blood vessels and dump into the lungs or gills while the closed one will retain the blood within the system. 
D) An open system will have the blood leave the blood vessels and dump into the lungs or gills while the closed one will retain the blood within the heomocoel. 
E) The blood within a closed circulatory system does not contain hemoglobin. 
A) An open system will have the blood leave the blood vessels and dump into the hemocoel while the closed one will retain the blood within the system. 
B) An open system will keep the blood within the blood vessels while the closed one will dump the blood into the hemocoel. 
C) An open system will have the blood leave the blood vessels and dump into the lungs or gills while the closed one will retain the blood within the system. 
D) An open system will have the blood leave the blood vessels and dump into the lungs or gills while the closed one will retain the blood within the heomocoel. 
E) The blood within a closed circulatory system does not contain hemoglobin.

Question 6

Identify the correct pathway of blood flow through a two circuit pathway.

Accepted Answer

A) ventricle - systemic circuit - right atrium ventricle - pulmonary circuit - left atrium 
B) right atrium - ventricle - systemic circuit left atrium - ventricle - pulmonary circuit 
C) ventricle - gill capillaries - aorta - systemic circuit - atrium 
D) right atrium - systemic circuit - ventricle left atrium - pulmonary circuit - ventricle 
E) ventricle - systemic circuit - left atrium ventricle - pulmonary circuit - right atrium 
A) ventricle - systemic circuit - right atrium ventricle - pulmonary circuit - left atrium 
B) right atrium - ventricle - systemic circuit left atrium - ventricle - pulmonary circuit 
C) ventricle - gill capillaries - aorta - systemic circuit - atrium 
D) right atrium - systemic circuit - ventricle left atrium - pulmonary circuit - ventricle 
E) ventricle - systemic circuit - left atrium ventricle - pulmonary circuit - right atrium

Question 7

As the heart contracts it forces the blood out with a great deal of force.Damage to which blood vessel will result in a forceful spraying of blood?

Accepted Answer

A) artery 
B) vein 
C) capillary 
D) arteriole 
E) Damage to any of the blood vessels will result in a forceful spray of blood. 
A) artery 
B) vein 
C) capillary 
D) arteriole 
E) Damage to any of the blood vessels will result in a forceful spray of blood.

Question 8

Which would you find in the heart of a fish?

Accepted Answer

A) one atrium and one ventricle 
B) two atria and one ventricle 
C) one atrium and two ventricles 
D) two atria and two ventricles 
E) two atria and a partially divided ventricle 
A) one atrium and one ventricle 
B) two atria and one ventricle 
C) one atrium and two ventricles 
D) two atria and two ventricles 
E) two atria and a partially divided ventricle

Question 9

Which organism has hemoglobin located in the fluid portion of the blood,giving it a red appearance?

Accepted Answer

A) human 
B) grasshopper 
C) bird 
D) earthworm 
E) flatworm 
A) human 
B) grasshopper 
C) bird 
D) earthworm 
E) flatworm

Question 10

During capillary exchange,what will occur if the blood pressure at the arterial end were to decrease and become lower than the osmotic pressure?

Accepted Answer

A) Water would not leave the blood stream which could disrupt the movement of oxygen and carbon dioxide through the membrane. 
B) Water will leave the blood stream allowing oxygen and carbon dioxide to diffuse out of the blood stream. 
C) Oxygen and carbon dioxide will increase their rate of diffusion into the interstitial fluid. 
D) Nothing will occur because the blood pressure does not impact the movement of gases. 
A) Water would not leave the blood stream which could disrupt the movement of oxygen and carbon dioxide through the membrane. 
B) Water will leave the blood stream allowing oxygen and carbon dioxide to diffuse out of the blood stream. 
C) Oxygen and carbon dioxide will increase their rate of diffusion into the interstitial fluid. 
D) Nothing will occur because the blood pressure does not impact the movement of gases.

Question 11

Which type of blood component is involved in the initiation of clotting?

Accepted Answer

A) red blood cells 
B) white blood cells 
C) plasma proteins 
D) platelets 
A) red blood cells 
B) white blood cells 
C) plasma proteins 
D) platelets

Exam 32: Circulation and Cardiovascular Systems

Which structure does blood pass through immediately before entering the right atrium?

Which of these white blood cells are phagocytic?

Which statement is NOT true about red blood cells?

The human heart is composed of

What is the main difference between an open circulatory system and a closed one?

Identify the correct pathway of blood flow through a two circuit pathway.

As the heart contracts it forces the blood out with a great deal of force.Damage to which blood vessel will result in a forceful spraying of blood?

Which would you find in the heart of a fish?

Which organism has hemoglobin located in the fluid portion of the blood,giving it a red appearance?

During capillary exchange,what will occur if the blood pressure at the arterial end were to decrease and become lower than the osmotic pressure?

Which type of blood component is involved in the initiation of clotting?

A View of Life

Basic Chemistry

The Chemistry of Organic Molecules

Cell Structure and Function

Membrane Structure and Function

Metabolism: Energy and Enzymes

Photosynthesis

Cellular Respiration

The Cell Cycle and Cellular Reproduction

Meiosis and Sexual Reproduction

Mendelian Patterns of Inheritance

Molecular Biology of the Gene

Regulation of Gene Expression

Biotechnology and Genomics

Darwin and Evolution

How Populations Evolve

Speciation and Macroevolution

Origin and History of Life

Taxonomy,systematics,and Phylogeny

Viruses,bacteria,and Archaea

Protist Evolution and Diversity

Fungi Evolution and Diversity

Plant Evolution and Diversity

Flowering Plants: Structure and Organization

Flowering Plants: Nutrition and Transport

Flowering Plants: Control of Growth Responses

Flowering Plants: Reproduction

Invertebrate Evolution

Vertebrate Evolution

Human Evolution

Animal Organization and Homeostasis

The Lymphatic and Immune Systems

Digestive Systems and Nutrition

Respiratory Systems

Body Fluid Regulation and Excretory Systems

Neurons and Nervous Systems

Sense Organs

Locomotion and Support Systems

Hormones and Endocrine Systems

Reproductive Systems

Animal Development

Behavioral Ecology

Population Ecology

Community and Ecosystem Ecology

Major Ecosystems of the Biosphere

Conservation of Biodiversity

Filters