Question 1

In which of the types of hearts is oxygen-rich and oxygen-poor blood mixed?

Accepted Answer

A)  two-chambered 
B)  three-chambered 
C)  four-chambered 
D)  two and three-chambered 
E)  all three types of hearts 
A)  two-chambered 
B)  three-chambered 
C)  four-chambered 
D)  two and three-chambered 
E)  all three types of hearts

Question 2

An animal with an open circulatory system

Accepted Answer

A)  lacks a continuous network of blood vessels that contain the blood at all times. 
B)  can have only one heart. 
C)  has two separate vascular circuits. 
D)  is able to distribute substances faster than a closed system. 
E)  can grow larger than one with a closed circulatory system. 
A)  lacks a continuous network of blood vessels that contain the blood at all times. 
B)  can have only one heart. 
C)  has two separate vascular circuits. 
D)  is able to distribute substances faster than a closed system. 
E)  can grow larger than one with a closed circulatory system.

Question 3

Anemia refers to

Accepted Answer

A)  too many or abnormal red blood cells. 
B)  too few or abnormal white blood cells. 
C)  too few or abnormal red blood cells. 
D)  too many or abnormal white blood cells. 
E)  a form of leukemia. 
A)  too many or abnormal red blood cells. 
B)  too few or abnormal white blood cells. 
C)  too few or abnormal red blood cells. 
D)  too many or abnormal white blood cells. 
E)  a form of leukemia.

Question 4

A large respiratory surface

Accepted Answer

A)  results in a slow rate of gas exchange. 
B)  results in a faster rate of gas exchange. 
C)  has no effect on the rate of gas exchange. 
D)  is important to support the respiratory needs of large animals. 
E)  results in a faster rate of gas exchange, and is important to support the respiratory needs of large animals. 
A)  results in a slow rate of gas exchange. 
B)  results in a faster rate of gas exchange. 
C)  has no effect on the rate of gas exchange. 
D)  is important to support the respiratory needs of large animals. 
E)  results in a faster rate of gas exchange, and is important to support the respiratory needs of large animals.

Question 5

In human lungs,where does gas exchange occur?

Accepted Answer

A)  the pharynx 
B)  the alveoli 
C)  the trachea 
D)  the bronchioles 
E)  more than one of these 
A)  the pharynx 
B)  the alveoli 
C)  the trachea 
D)  the bronchioles 
E)  more than one of these

Question 6

When the heart's pacemaker malfunctions ___ can result.

Accepted Answer

A)  artherosclerois 
B)  sudden cardiac arrest 
C)  congenital heart defect 
D)  coronary heart diseases 
E)  hypertrophic cardiac defect 
A)  artherosclerois 
B)  sudden cardiac arrest 
C)  congenital heart defect 
D)  coronary heart diseases 
E)  hypertrophic cardiac defect

Question 7

The driving force for heart contraction is

Accepted Answer

A)  contraction of the atria. 
B)  contraction of the ventricles. 
C)  closing of the AV valves. 
D)  opening of the AV valves. 
E)  closing of the aortic valve. 
A)  contraction of the atria. 
B)  contraction of the ventricles. 
C)  closing of the AV valves. 
D)  opening of the AV valves. 
E)  closing of the aortic valve.

Question 8

Which vessel of the human body can serve as a blood reservoir?

Accepted Answer

A)  vein 
B)  venule 
C)  capillary 
D)  arteriole 
E)  artery 
A)  vein 
B)  venule 
C)  capillary 
D)  arteriole 
E)  artery

Question 9

Osmosis in capillary exchange takes place in response to

Accepted Answer

A)  high oxygen concentrations. 
B)  low oxygen concentrations. 
C)  high plasma protein concentrations. 
D)  low plasma protein concentrations. 
E)  high carbon dioxide concentrations. 
A)  high oxygen concentrations. 
B)  low oxygen concentrations. 
C)  high plasma protein concentrations. 
D)  low plasma protein concentrations. 
E)  high carbon dioxide concentrations.

Question 10

Bicarbonate ions are formed from a reaction involving ___ and ___.

Accepted Answer

A)  oxygen...carbon dioxide 
B)  water...oxygen 
C)  water...carbon dioxide 
D)  glucose...water 
E)  glucose...oxygen 
A)  oxygen...carbon dioxide 
B)  water...oxygen 
C)  water...carbon dioxide 
D)  glucose...water 
E)  glucose...oxygen

Question 11

Using the flow chart,starting with the heart and going in order 1-5,which is the correct order of blood flow?

Accepted Answer

A)  capillaries, venules, veins, arteries, arterioles 
B)  arterioles, arteries, venules, veins, capillaries 
C)  arteries, arterioles, capillaries, venules, veins 
D)  veins, venules, capillaries, arterioles, arteries 
E)  arteries, veins, arterioles, capillaries, venules 
A)  capillaries, venules, veins, arteries, arterioles 
B)  arterioles, arteries, venules, veins, capillaries 
C)  arteries, arterioles, capillaries, venules, veins 
D)  veins, venules, capillaries, arterioles, arteries 
E)  arteries, veins, arterioles, capillaries, venules

Question 12

Arteries carry

Accepted Answer

A)  blood away from the heart. 
B)  blood towards the heart. 
C)  only oxygen-rich blood. 
D)  only oxygen-poor blood. 
E)  a combination of more than one of these. 
A)  blood away from the heart. 
B)  blood towards the heart. 
C)  only oxygen-rich blood. 
D)  only oxygen-poor blood. 
E)  a combination of more than one of these.

Question 13

From the cardiac pacemaker,the excitatory signal travels to the

Accepted Answer

A)  sinoatrial node. 
B)  atrioventricular node. 
C)  septum. 
D)  base of the ventricles. 
E)  aortic valve. 
A)  sinoatrial node. 
B)  atrioventricular node. 
C)  septum. 
D)  base of the ventricles. 
E)  aortic valve.

Question 14

The excitatory signal generated by the cardiac pacemaker spreads from fiber to fiber via

Accepted Answer

A)  gap junctions. 
B)  tight junctions. 
C)  gated channels. 
D)  desmosomes. 
E)  sodium-potassium channels. 
A)  gap junctions. 
B)  tight junctions. 
C)  gated channels. 
D)  desmosomes. 
E)  sodium-potassium channels.

Question 15

Use the above diagram to answer the following question(s).
-In the above diagram,the ____ is (are)labeled with the letter "E".

Accepted Answer

A)  esophagus 
B)  larynx 
C)  trachea 
D)  epiglottis 
E)  bronchi 
A)  esophagus 
B)  larynx 
C)  trachea 
D)  epiglottis 
E)  bronchi

Question 16

Blood pumped from the left ventricle goes into the

Accepted Answer

A)  vena cava. 
B)  aorta. 
C)  pulmonary artery. 
D)  right ventricle. 
E)  left atrium. 
A)  vena cava. 
B)  aorta. 
C)  pulmonary artery. 
D)  right ventricle. 
E)  left atrium.

Question 17

Examine the diagram above,and answer the following question(s).
-The above diagram is an example of

Accepted Answer

A)  a closed circulatory system with one heart. 
B)  an open circulatory system with one heart. 
C)  a closed circulatory system with a three-chambered heart. 
D)  an open circulatory system with a two-chambered heart. 
E)  a closed circulatory system with a four-chambered heart. 
A)  a closed circulatory system with one heart. 
B)  an open circulatory system with one heart. 
C)  a closed circulatory system with a three-chambered heart. 
D)  an open circulatory system with a two-chambered heart. 
E)  a closed circulatory system with a four-chambered heart.

Question 18

Which of the following is NOT associated with alveolus structure?

Accepted Answer

A)  stratified squamous epithelium 
B)  secretory cells 
C)  pulmonary capillaries 
D)  basement membrane 
E)  all of these are associated with alveolus structure 
A)  stratified squamous epithelium 
B)  secretory cells 
C)  pulmonary capillaries 
D)  basement membrane 
E)  all of these are associated with alveolus structure

Question 19

Which of the following do lobsters and clams have in common with fishes?

Accepted Answer

A)  an exoskeleton 
B)  a two-chambered heart 
C)  internal gills 
D)  skin as a respiratory surface 
E)  more than one of these 
A)  an exoskeleton 
B)  a two-chambered heart 
C)  internal gills 
D)  skin as a respiratory surface 
E)  more than one of these

Question 20

Inhalation

Accepted Answer

A)  causes the diaphragm to contract and move downwards. 
B)  is an active process. 
C)  causes the rib cage to move upward. 
D)  causes the thoracic cavity to expand. 
E)  does all of these. 
A)  causes the diaphragm to contract and move downwards. 
B)  is an active process. 
C)  causes the rib cage to move upward. 
D)  causes the thoracic cavity to expand. 
E)  does all of these.

Exam 21: Circulation and Respiration

In which of the types of hearts is oxygen-rich and oxygen-poor blood mixed?

An animal with an open circulatory system

Anemia refers to

A large respiratory surface

In human lungs,where does gas exchange occur?

When the heart's pacemaker malfunctions ___ can result.

The driving force for heart contraction is

Which vessel of the human body can serve as a blood reservoir?

Osmosis in capillary exchange takes place in response to

Bicarbonate ions are formed from a reaction involving ___ and ___.

Using the flow chart,starting with the heart and going in order 1-5,which is the correct order of blood flow?

Arteries carry

From the cardiac pacemaker,the excitatory signal travels to the

The excitatory signal generated by the cardiac pacemaker spreads from fiber to fiber via

Use the above diagram to answer the following question(s). -In the above diagram,the ____ is (are)labeled with the letter "E".

Blood pumped from the left ventricle goes into the

Examine the diagram above,and answer the following question(s). -The above diagram is an example of

Which of the following is NOT associated with alveolus structure?

Which of the following do lobsters and clams have in common with fishes?

Inhalation

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

Bicarbonate ions are formed from a reaction involving _ and _.