Question 1

Amphibian and most reptiles have

Accepted Answer

A)  a two-chambered heart with two blood flow circuits. 
B)  a three-chambered heart with two blood flow circuits. 
C)  a four-chambered heart with two blood flow circuits. 
D)  a three-chambered heart with one blood flow circuit. 
E)  a two-chambered heart with one blood flow circuit. 
A)  a two-chambered heart with two blood flow circuits. 
B)  a three-chambered heart with two blood flow circuits. 
C)  a four-chambered heart with two blood flow circuits. 
D)  a three-chambered heart with one blood flow circuit. 
E)  a two-chambered heart with one blood flow circuit.

Question 2

For the following question(s),refer to the diagram above.
-The structure labeled "D" is the

Accepted Answer

A)  aorta. 
B)  right atrium. 
C)  left atrium. 
D)  trunk of the pulmonary arteries. 
E)  superior vena cava. 
A)  aorta. 
B)  right atrium. 
C)  left atrium. 
D)  trunk of the pulmonary arteries. 
E)  superior vena cava.

Question 3

Which of the following are symptoms of sudden cardiac arrest?

Accepted Answer

A)  burning chest pain 
B)  blurred vision 
C)  loss of pulse 
D)  arrested breathing 
E)  all of these are symptoms of sudden cardiac arrest 
A)  burning chest pain 
B)  blurred vision 
C)  loss of pulse 
D)  arrested breathing 
E)  all of these are symptoms of sudden cardiac arrest

Question 4

The ___ delivers oxygen-rich blood to the left atrium.

Accepted Answer

A)  vena cavae 
B)  pulmonary artery 
C)  pulmonary vein 
D)  aorta 
E)  right atrium 
A)  vena cavae 
B)  pulmonary artery 
C)  pulmonary vein 
D)  aorta 
E)  right atrium

Question 5

The chances of surviving sudden cardiac arrest increases by ___ percent when the affected person receives CPR within ___ to ___ minutes after the event.

Accepted Answer

A)  100--10--15 
B)  50--4--6 
C)  50--10--15 
D)  100--4--6 
E)  50--40--60 
A)  100--10--15 
B)  50--4--6 
C)  50--10--15 
D)  100--4--6 
E)  50--40--60

Question 6

The pulmonary capillaries

Accepted Answer

A)  are closely associated with alveoli but do not fuse. 
B)  fuse with the alveoli to facilitate gas exchange. 
C)  bring oxygenated blood back to the heart. 
D)  bring deoxygenated blood back to the heart. 
E)  fuse with the alveoli to facilitate gas exchange, and bring oxygenated blood back to the heart. 
A)  are closely associated with alveoli but do not fuse. 
B)  fuse with the alveoli to facilitate gas exchange. 
C)  bring oxygenated blood back to the heart. 
D)  bring deoxygenated blood back to the heart. 
E)  fuse with the alveoli to facilitate gas exchange, and bring oxygenated blood back to the heart.

Question 7

The top risk factor for cardiovascular disease is

Accepted Answer

A)  tobacco smoking. 
B)  family history. 
C)  hypertension. 
D)  obesity. 
E)  diabetes mellitus. 
A)  tobacco smoking. 
B)  family history. 
C)  hypertension. 
D)  obesity. 
E)  diabetes mellitus.

Question 8

Before they enter the blood stream,what modification occurs to erythrocytes?

Accepted Answer

A)  they are loaded with ant-bacterial compounds 
B)  they lose their nucleus and other organelles 
C)  they absorb oxygen and release carbon dioxide 
D)  they are wrapped in a double plasma membrane 
E)  they absorb nutrients and expel wastes 
A)  they are loaded with ant-bacterial compounds 
B)  they lose their nucleus and other organelles 
C)  they absorb oxygen and release carbon dioxide 
D)  they are wrapped in a double plasma membrane 
E)  they absorb nutrients and expel wastes

Question 9

Which of the following is carried in plasma?

Accepted Answer

A)  erythrocytes 
B)  leukocytes 
C)  platelets 
D)  nutrients 
E)  all of these are carried in plasma 
A)  erythrocytes 
B)  leukocytes 
C)  platelets 
D)  nutrients 
E)  all of these are carried in plasma

Question 10

Which of the following is the homeostatic control for respiration?

Accepted Answer

A)  carbon dioxide concentrations 
B)  oxygen concentrations 
C)  ATP concentrations 
D)  activity rates 
E)  more than one of these is the homeostatic control for respiration 
A)  carbon dioxide concentrations 
B)  oxygen concentrations 
C)  ATP concentrations 
D)  activity rates 
E)  more than one of these is the homeostatic control for respiration

Question 11

All of the following are true of hypertension EXCEPT

Accepted Answer

A)  it may be caused by diet. 
B)  it usually develops after a person has a stroke. 
C)  it may be genetic. 
D)  it refers to chronically high blood pressure. 
E)  it usually does not have any symptoms. 
A)  it may be caused by diet. 
B)  it usually develops after a person has a stroke. 
C)  it may be genetic. 
D)  it refers to chronically high blood pressure. 
E)  it usually does not have any symptoms.

Question 12

For the following question(s),refer to the diagram above.
-The structure labeled "B" is the

Accepted Answer

A)  right ventricle. 
B)  right atrium. 
C)  left atrium. 
D)  left ventricle. 
E)  superior vena cava. 
A)  right ventricle. 
B)  right atrium. 
C)  left atrium. 
D)  left ventricle. 
E)  superior vena cava.

Amphibian and most reptiles have

For the following question(s),refer to the diagram above. -The structure labeled "D" is the

Which of the following are symptoms of sudden cardiac arrest?

The ___ delivers oxygen-rich blood to the left atrium.

The chances of surviving sudden cardiac arrest increases by _ percent when the affected person receives CPR within _ to ___ minutes after the event.

The pulmonary capillaries

The top risk factor for cardiovascular disease is

Before they enter the blood stream,what modification occurs to erythrocytes?

Which of the following is carried in plasma?

Which of the following is the homeostatic control for respiration?

All of the following are true of hypertension EXCEPT

For the following question(s),refer to the diagram above. -The structure labeled "B" is the

Invitation to Biology

Molecules of Life

Cell Structure

Energy and Metabolism

Capturing and Releasing Energy

DNA Structure and Function

Gene Expression and Control

How Cells Reproduce

Patterns of Inheritance

Biotechnology

Evidence of Evolution

Processes of Evolution

Early Life Forms and the Viruses

Plants and Fungi

Animal Evolution

Population Ecology

Communities and Ecosystems

The Biosphere and Human Effects

Animal Tissues and Organs

How Animals Move

Immunity

Digestion and Excretion

Neural Control and the Senses

Endocrine Control

Reproduction and Development

Plant Form and Function

Plant Reproduction and Development

Filters

Exam 21: Circulation and Respiration

Amphibian and most reptiles have

For the following question(s),refer to the diagram above. -The structure labeled "D" is the

Which of the following are symptoms of sudden cardiac arrest?

The ___ delivers oxygen-rich blood to the left atrium.

The chances of surviving sudden cardiac arrest increases by ___ percent when the affected person receives CPR within ___ to ___ minutes after the event.

The pulmonary capillaries

The top risk factor for cardiovascular disease is

Before they enter the blood stream,what modification occurs to erythrocytes?

Which of the following is carried in plasma?

Which of the following is the homeostatic control for respiration?

All of the following are true of hypertension EXCEPT

For the following question(s),refer to the diagram above. -The structure labeled "B" is the

Invitation to Biology

Molecules of Life

Cell Structure

Energy and Metabolism

Capturing and Releasing Energy

DNA Structure and Function

Gene Expression and Control

How Cells Reproduce

Patterns of Inheritance

Biotechnology

Evidence of Evolution

Processes of Evolution

Early Life Forms and the Viruses

Plants and Fungi

Animal Evolution

Population Ecology

Communities and Ecosystems

The Biosphere and Human Effects

Animal Tissues and Organs

How Animals Move

Immunity

Digestion and Excretion

Neural Control and the Senses

Endocrine Control

Reproduction and Development

Plant Form and Function

Plant Reproduction and Development

Filters

The chances of surviving sudden cardiac arrest increases by _ percent when the affected person receives CPR within _ to ___ minutes after the event.