Question 1

In the lup-dup sound of a beating heart,which of the following make the first heart sound?

Accepted Answer

A)  closing of the atrioventricular valves 
B)  closing of the pulmonary valve 
C)  closing of the aortic valve 
D)  the contraction of the left ventricle 
E)  the contraction of the right ventricle 
A)  closing of the atrioventricular valves 
B)  closing of the pulmonary valve 
C)  closing of the aortic valve 
D)  the contraction of the left ventricle 
E)  the contraction of the right ventricle

Question 2

In this diagram of the heart,which of the following choices correctly identifies A and B?

Accepted Answer

A)  A is the AV node; B is the cardiac pacemaker. 
B)  A is the SA node; B is the septum. 
C)  A is the AV node; B is the SA node. 
D)  A is the SA node; B is the AV node. 
E)  A is the septum; B is the cardiac pacemaker. 
A)  A is the AV node; B is the cardiac pacemaker. 
B)  A is the SA node; B is the septum. 
C)  A is the AV node; B is the SA node. 
D)  A is the SA node; B is the AV node. 
E)  A is the septum; B is the cardiac pacemaker.

Question 3

___ refers to chronically high blood pressure - above ___.

Accepted Answer

A)  Hypertension...140/90 
B)  Hypertension...120/80 
C)  Atherosclerosis...140/90 
D)  Atherosclerosis...120/80 
E)  Hypertension...160/90 
A)  Hypertension...140/90 
B)  Hypertension...120/80 
C)  Atherosclerosis...140/90 
D)  Atherosclerosis...120/80 
E)  Hypertension...160/90

Question 4

In this disease there is a buildup of lipids in arterial walls that forms a plaque that narrows the space inside the artery.This disease is

Accepted Answer

A)  atherosclerosis. 
B)  hemophilia. 
C)  hypertension. 
D)  sickle-cell anemia. 
E)  more than one of these. 
A)  atherosclerosis. 
B)  hemophilia. 
C)  hypertension. 
D)  sickle-cell anemia. 
E)  more than one of these.

Question 5

When blood flows through pulmonary capillaries,it picks up ___ and releases ___.

Accepted Answer

A)  oxygen---carbon dioxide 
B)  carbon dioxide---oxygen 
C)  oxygen---oxygen 
D)  carbon dioxide---carbon dioxide 
A)  oxygen---carbon dioxide 
B)  carbon dioxide---oxygen 
C)  oxygen---oxygen 
D)  carbon dioxide---carbon dioxide

Question 6

The human respiratory surface consists of

Accepted Answer

A)  the walls of alveoli and pulmonary capillaries 
B)  the walls of alveoli and pulmonary capillaries and their basement membranes 
C)  the walls of bronchioles, alveoli, and capillaries 
D)  the walls of bronchioles, alveoli, capillaries, and their basement membranes 
E)  the walls of alveoli 
A)  the walls of alveoli and pulmonary capillaries 
B)  the walls of alveoli and pulmonary capillaries and their basement membranes 
C)  the walls of bronchioles, alveoli, and capillaries 
D)  the walls of bronchioles, alveoli, capillaries, and their basement membranes 
E)  the walls of alveoli

Question 7

____ is the lowest blood pressure of the cardiac cycle and occurs when the ____.

Accepted Answer

A)  Systolic pressure; ventricles are fully relaxed 
B)  Diastolic pressure; ventricles are contracting 
C)  Systolic pressure; ventricles are contracting 
D)  Diastolic pressure; ventricles are fully relaxed 
E)  None of these 
A)  Systolic pressure; ventricles are fully relaxed 
B)  Diastolic pressure; ventricles are contracting 
C)  Systolic pressure; ventricles are contracting 
D)  Diastolic pressure; ventricles are fully relaxed 
E)  None of these

Question 8

Which of the following is NOT a factor in moving blood back to the heart?

Accepted Answer

A)  systolic pressure 
B)  smooth muscle contraction 
C)  skeletal muscle contraction 
D)  one-way valves in veins 
E)  more than one of these is NOT a direct factor in moving blood back to the heart 
A)  systolic pressure 
B)  smooth muscle contraction 
C)  skeletal muscle contraction 
D)  one-way valves in veins 
E)  more than one of these is NOT a direct factor in moving blood back to the heart

Question 9

In which of the following blood vessels would pressure be the least?

Accepted Answer

A)  arterioles serving skeletal muscles 
B)  venules serving skeletal muscles 
C)  the aorta 
D)  the pulmonary artery 
E)  the vena cavae 
A)  arterioles serving skeletal muscles 
B)  venules serving skeletal muscles 
C)  the aorta 
D)  the pulmonary artery 
E)  the vena cavae

Question 10

Match the respiratory structure with its description.
-structure not found in the human respiratory system

Accepted Answer

The answer of Match the respiratory structure with its description.
-structure...

Question 11

Capillary walls consist of

Accepted Answer

A)  stratified squamous epithelium. 
B)  simple squamous epithelium. 
C)  simple cuboidal epithelium. 
D)  stratified cuboidal epithelium. 
E)  simple columnar epithelium. 
A)  stratified squamous epithelium. 
B)  simple squamous epithelium. 
C)  simple cuboidal epithelium. 
D)  stratified cuboidal epithelium. 
E)  simple columnar epithelium.

Question 12

Match the respiratory structure with its description.
-small airway branching off from a bronchus

Accepted Answer

A) alveolus 
B) bronchiole 
C) epiglottis 
D) glottis 
E) larynx
F)pharynx
G)trachea
H)spiracle 
A) alveolus 
B) bronchiole 
C) epiglottis 
D) glottis 
E) larynx
F)pharynx
G)trachea
H)spiracle

Question 13

Approximately half of the blood volume consists of

Accepted Answer

A)  plasma. 
B)  erythrocytes. 
C)  lymph. 
D)  plasma proteins. 
E)  leukocytes. 
A)  plasma. 
B)  erythrocytes. 
C)  lymph. 
D)  plasma proteins. 
E)  leukocytes.

Question 14

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

Accepted Answer

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

Question 15

If a small vessel is torn,which component of the blood will temporarily fill the breach?

Accepted Answer

A)  plasma proteins 
B)  leukocytes 
C)  platelets 
D)  erythrocytes 
E)  all of these 
A)  plasma proteins 
B)  leukocytes 
C)  platelets 
D)  erythrocytes 
E)  all of these

Question 16

In the process of blood clotting,which of the following do platelets do?

Accepted Answer

A)  engulf and digest cellular debris 
B)  release substances that repel more platelets 
C)  convert fibrin into fibrinogen 
D)  clump together 
E)  platelets do all of these 
A)  engulf and digest cellular debris 
B)  release substances that repel more platelets 
C)  convert fibrin into fibrinogen 
D)  clump together 
E)  platelets do all of these

Question 17

The circulatory system below would be representative of a circulatory system found in a

Accepted Answer

A)  frog. 
B)  pig. 
C)  bird. 
D)  grasshopper. 
E)  pig and a bird. 
A)  frog. 
B)  pig. 
C)  bird. 
D)  grasshopper. 
E)  pig and a bird.

Question 18

Which of the following is an advantage of the three-chambered heart over the two-chambered heart?

Accepted Answer

A)  blood flow is faster when there are two circuits instead of one circuit 
B)  blood pressure is independently controlled in each vascular circuit 
C)  oxygen-rich and oxygen-poor blood do not mix 
D)  capillary beds are possible with a three-chambered heart but not a two-chambered heart 
E)  more than one of these is an advantage of the three-chambered heart over the two-chambered heart 
A)  blood flow is faster when there are two circuits instead of one circuit 
B)  blood pressure is independently controlled in each vascular circuit 
C)  oxygen-rich and oxygen-poor blood do not mix 
D)  capillary beds are possible with a three-chambered heart but not a two-chambered heart 
E)  more than one of these is an advantage of the three-chambered heart over the two-chambered heart

Question 19

With a __ concentration of LDLs and a __ concentration of HDLs,lipids can build up on artery walls leading to ___.

Accepted Answer

A)  low...high...atherosclerosis 
B)  high...low...atherosclerosis 
C)  high...high...hypertension 
D)  low...low...atherosclerosis 
E)  high...low...hypertension 
A)  low...high...atherosclerosis 
B)  high...low...atherosclerosis 
C)  high...high...hypertension 
D)  low...low...atherosclerosis 
E)  high...low...hypertension

Question 20

A genetic disorder that involves impaired blood clotting is

Accepted Answer

A)  leukemia. 
B)  sickle cell anemia. 
C)  hemophilia. 
D)  atherosclerosis. 
E)  hypertension. 
A)  leukemia. 
B)  sickle cell anemia. 
C)  hemophilia. 
D)  atherosclerosis. 
E)  hypertension.

Exam 21: Circulation and Respiration

In the lup-dup sound of a beating heart,which of the following make the first heart sound?

In this diagram of the heart,which of the following choices correctly identifies A and B?

___ refers to chronically high blood pressure - above ___.

In this disease there is a buildup of lipids in arterial walls that forms a plaque that narrows the space inside the artery.This disease is

When blood flows through pulmonary capillaries,it picks up ___ and releases ___.

The human respiratory surface consists of

____ is the lowest blood pressure of the cardiac cycle and occurs when the ____.

Which of the following is NOT a factor in moving blood back to the heart?

In which of the following blood vessels would pressure be the least?

Match the respiratory structure with its description. -structure not found in the human respiratory system

Capillary walls consist of

Match the respiratory structure with its description. -small airway branching off from a bronchus

Approximately half of the blood volume consists of

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

If a small vessel is torn,which component of the blood will temporarily fill the breach?

In the process of blood clotting,which of the following do platelets do?

The circulatory system below would be representative of a circulatory system found in a

Which of the following is an advantage of the three-chambered heart over the two-chambered heart?

With a __ concentration of LDLs and a __ concentration of HDLs,lipids can build up on artery walls leading to ___.

A genetic disorder that involves impaired blood clotting is

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

_ refers to chronically high blood pressure - above _.

When blood flows through pulmonary capillaries,it picks up _ and releases _.

is the lowest blood pressure of the cardiac cycle and occurs when the .

With a concentration of LDLs and a concentration of HDLs,lipids can build up on artery walls leading to ___.