Question 1

The heart is surrounded by the _____, a double layered sac that protects it and anchors it in place.

Accepted Answer

A)  peritoneum 
B)  perineum 
C)  pericardium 
D)  peristalsis 
E)  periwinkle 
A)  peritoneum 
B)  perineum 
C)  pericardium 
D)  peristalsis 
E)  periwinkle

Question 2

Circulatory systems ____.

Accepted Answer

A)  are found in all animals 
B)  result in slow distribution of nutrients and gases 
C)  include one or more hearts 
D)  are always closed systems 
E)  are found in cnidarians and flatworms 
A)  are found in all animals 
B)  result in slow distribution of nutrients and gases 
C)  include one or more hearts 
D)  are always closed systems 
E)  are found in cnidarians and flatworms

Question 3

In this diagram of the heart, A is the ____ and B is the ____.

Accepted Answer

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

Question 4

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 5

The purpose of performing CPR on a person who has experienced sudden cardiac arrest is to ____.

Accepted Answer

A)  restart their heart 
B)  ensure an oxygen supply to their brain 
C)  keep their lungs inflated 
D)  restart their heart and ensure an oxygen supply to their brain 
E)  restart their heart and keep their lungs inflated 
A)  restart their heart 
B)  ensure an oxygen supply to their brain 
C)  keep their lungs inflated 
D)  restart their heart and ensure an oxygen supply to their brain 
E)  restart their heart and keep their lungs inflated

Question 6

One advantage of the three-chambered heart over the two-chambered heart is that ____.

Accepted Answer

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

Question 7

Thanks to the efforts of Matt Nader, Texas passed a law requiring that all high schools have ____.

Accepted Answer

A)  more CPR classes 
B)  physicians at all football games 
C)  rigorous physical examinations for all high school athletes 
D)  automated external defibrillators available for emergencies 
E)  coaches who do not overexert the school's athletes 
A)  more CPR classes 
B)  physicians at all football games 
C)  rigorous physical examinations for all high school athletes 
D)  automated external defibrillators available for emergencies 
E)  coaches who do not overexert the school's athletes

Question 8

Breathing is under _____ control.

Accepted Answer

A)  voluntary 
B)  involuntary 
C)  voluntary and involuntary 
D)  Oxygen-mediated 
E)  ATP-mediated 
A)  voluntary 
B)  involuntary 
C)  voluntary and involuntary 
D)  Oxygen-mediated 
E)  ATP-mediated

Question 9

A unique feature of the diaphragm is that it is_____.

Accepted Answer

A)  the only smooth muscle in the human body 
B)  the only smooth muscle that can be voluntarily controlled 
C)  only found in humans 
D)  the only skeletal muscle that is under involuntary control 
E)  easily replaceable 
A)  the only smooth muscle in the human body 
B)  the only smooth muscle that can be voluntarily controlled 
C)  only found in humans 
D)  the only skeletal muscle that is under involuntary control 
E)  easily replaceable

Question 10

The respiratory pacemaker is located in the ____.

Accepted Answer

A)  lungs 
B)  cerebral cortex 
C)  brain stem 
D)  bronchioles 
E)  alveoli 
A)  lungs 
B)  cerebral cortex 
C)  brain stem 
D)  bronchioles 
E)  alveoli

Question 11

The driving force for blood circulation 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 12

Extra fluid that leaks out of the capillary bed enters the ____.

Accepted Answer

A)  surrounding cells 
B)  lymphatic system 
C)  venules 
D)  capillary again 
E)  adjoining arterioles 
A)  surrounding cells 
B)  lymphatic system 
C)  venules 
D)  capillary again 
E)  adjoining arterioles

Question 13

Breathing rates are automatically increased when _____ levels are _____.

Accepted Answer

A)  oxygen; high 
B)  carbon dioxide; high 
C)  oxygen; low 
D)  carbon dioxide; low 
E)  ATP; low 
A)  oxygen; high 
B)  carbon dioxide; high 
C)  oxygen; low 
D)  carbon dioxide; low 
E)  ATP; low

Question 14

In the above diagram, the _____ is/are labeled with the letter "E."

Accepted Answer

A)  e sophagus 
B)  l arynx 
C)  t rachea 
D)  e piglottis 
E)  b ronchi 
A)  e sophagus 
B)  l arynx 
C)  t rachea 
D)  e piglottis 
E)  b ronchi

Exam 22: Circulation and Respiration

The heart is surrounded by the _____, a double layered sac that protects it and anchors it in place.

Circulatory systems ____.

In this diagram of the heart, A is the ____ and B is the ____.

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

The purpose of performing CPR on a person who has experienced sudden cardiac arrest is to ____.

One advantage of the three-chambered heart over the two-chambered heart is that ____.

Thanks to the efforts of Matt Nader, Texas passed a law requiring that all high schools have ____.

Breathing is under _____ control.

A unique feature of the diaphragm is that it is_____.

The respiratory pacemaker is located in the ____.

The driving force for blood circulation is ____.

Extra fluid that leaks out of the capillary bed enters the ____.

Breathing rates are automatically increased when _____ levels are _____.

In the above diagram, the _____ is/are labeled with the letter "E."

Invitation to Biology

Molecules of Life

Cell Structure

Energy and Metabolism

Photosynthesis

Releasing Chemical Energy

Dna Structure and Function

Gene Expression and Control

How Cells Reproduce

Patterns of Inheritance

Biotechnology

Evidence of Evolution

Processes of Evolution

Prokaryotes, Protists, and 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

Animal Reproduction and Development

Plant Form and Function

Life Cycles of Flowering Plants

Filters

In this diagram of the heart, A is the and B is the .

Breathing rates are automatically increased when _ levels are _.