Question 1

Vertebrates with a three-chambered heart include

Accepted Answer

A)  fish. 
B)  amphibians. 
C)  birds. 
D)  mammals. 
E)  annelids. 
A)  fish. 
B)  amphibians. 
C)  birds. 
D)  mammals. 
E)  annelids.

Question 2

Blood pressure is the force that

Accepted Answer

A)  interstitial fluid exerts on the walls of the arteries. 
B)  blood exerts on the walls of the ventricles of the heart. 
C)  blood exerts on the walls of the arteries. 
D)  interstitial fluid exerts on the walls of the veins. 
E)  blood exerts on the walls of the atruims of the heart. 
A)  interstitial fluid exerts on the walls of the arteries. 
B)  blood exerts on the walls of the ventricles of the heart. 
C)  blood exerts on the walls of the arteries. 
D)  interstitial fluid exerts on the walls of the veins. 
E)  blood exerts on the walls of the atruims of the heart.

Question 3

A defibrillator contains two paddles that are placed on a person's chest and through which an electrical shock is administered.What is this procedure treating?

Accepted Answer

A)  aneurysm 
B)  heart attack due to atherosclerosis 
C)  anemia 
D)  tachycardia 
E)  arrhythmia 
A)  aneurysm 
B)  heart attack due to atherosclerosis 
C)  anemia 
D)  tachycardia 
E)  arrhythmia

Question 4

If you had a patient with blood improperly draining from all areas above the diaphragm,you would suspect a problem with the

Accepted Answer

A)  femoral vein. 
B)  superior vena cava. 
C)  pulmonary vein. 
D)  inferior vena cava. 
E)  jugular vein. 
A)  femoral vein. 
B)  superior vena cava. 
C)  pulmonary vein. 
D)  inferior vena cava. 
E)  jugular vein.

Question 5

The scientific name of the "windpipe" is the

Accepted Answer

A)  larynx. 
B)  pharynx. 
C)  vocal cords. 
D)  esophagus. 
E)  trachea. 
A)  larynx. 
B)  pharynx. 
C)  vocal cords. 
D)  esophagus. 
E)  trachea.

Question 6

The chambers of the heart that push blood to the lungs or body are the ventricles.

Accepted Answer

A) True 
 B)False

Question 7

Why would exercise help your blood circulation in your legs?

Accepted Answer

A)  As muscles contract they squeeze blood through the veins and increased heart rate pushes more blood into the legs. 
B)  Increased heart rate pushes more blood into the legs only. 
C)  As muscles contract they squeeze blood through the veins only. 
D)  Exercise increases the amount of red blood cells only. 
E)  Exercise increases the amount of red blood cells and increased heart rate pushes more blood into the legs. 
A)  As muscles contract they squeeze blood through the veins and increased heart rate pushes more blood into the legs. 
B)  Increased heart rate pushes more blood into the legs only. 
C)  As muscles contract they squeeze blood through the veins only. 
D)  Exercise increases the amount of red blood cells only. 
E)  Exercise increases the amount of red blood cells and increased heart rate pushes more blood into the legs.

Question 8

The liquid matrix of blood is

Accepted Answer

A)  interstitial fluid. 
B)  water. 
C)  cytosol. 
D)  plasma. 
E)  lymph. 
A)  interstitial fluid. 
B)  water. 
C)  cytosol. 
D)  plasma. 
E)  lymph.

Question 9

Air moves into the lungs when the air pressure in the lungs is ________ than the air pressure outside of the lungs.This occurs when the muscles of the diaphragm ________.

Accepted Answer

A)  lower; relax 
B)  lower; contract 
C)  higher; relax 
D)  higher; contract 
A)  lower; relax 
B)  lower; contract 
C)  higher; relax 
D)  higher; contract

Question 10

Why could a human not absorb enough oxygen through the skin,as opposed to creatures like sea anemones?

Accepted Answer

A)  Our surface area to volume ratio is too high for oxygen to reach all tissues. 
B)  Sea anemones live in water, and there is more oxygen available. 
C)  Our surface area to volume ratio is too low for oxygen to reach all tissues. 
D)  Our capillaries do not come close enough to the skin to absorb oxygen. 
E)  Sea anemones have a larger heart relative to the rest of their body. 
A)  Our surface area to volume ratio is too high for oxygen to reach all tissues. 
B)  Sea anemones live in water, and there is more oxygen available. 
C)  Our surface area to volume ratio is too low for oxygen to reach all tissues. 
D)  Our capillaries do not come close enough to the skin to absorb oxygen. 
E)  Sea anemones have a larger heart relative to the rest of their body.

Question 11

A heartbeat begins in the

Accepted Answer

A)  atrioventricular valve. 
B)  atrioventricular node. 
C)  sinoatrial node. 
D)  right ventricle. 
E)  left atrium. 
A)  atrioventricular valve. 
B)  atrioventricular node. 
C)  sinoatrial node. 
D)  right ventricle. 
E)  left atrium.

Question 12

A decrease in the oxygen-carrying capacity of blood is called anemia.

Accepted Answer

A) True 
 B)False

Question 13

Blood transports the most carbon dioxide in what form?

Accepted Answer

A)  as bicarbonate ions 
B)  in red blood cells 
C)  dissolved in the plasma 
D)  bound to hemoglobin 
E)  bound to myoglobin 
A)  as bicarbonate ions 
B)  in red blood cells 
C)  dissolved in the plasma 
D)  bound to hemoglobin 
E)  bound to myoglobin

Question 14

Patients with cardiovascular problems can be prescribed many different medications. Aspirin inhibits platelets, beta-blockers slow the heart rate, and diuretics cause the kidneys to release more water in the urine.
-Which drugs would be prescribed to a person who is at risk of forming a blood clot?

Accepted Answer

A)  a beta-blocker 
B)  aspirin 
C)  a diuretic 
D)  a beta-blocker and a diuretic 
E)  aspirin and a diuretic 
A)  a beta-blocker 
B)  aspirin 
C)  a diuretic 
D)  a beta-blocker and a diuretic 
E)  aspirin and a diuretic

Question 15

In a closed circulatory system,the heart pumps fluid through open-ended vessels into spaces where the fluid bathes the body's cells.

Accepted Answer

A) True 
 B)False

Question 16

The large vessels of the circulatory system that carry blood away from the heart are

Accepted Answer

A)  veins. 
B)  capillaries. 
C)  arteries. 
D)  lymph vessels. 
E)  sieve tubes. 
A)  veins. 
B)  capillaries. 
C)  arteries. 
D)  lymph vessels. 
E)  sieve tubes.

Question 17

The signal for the heart to contract begins at the sinoatrial node.

Accepted Answer

A) True 
 B)False

Question 18

If a doctor tells you to bring all of the bags with blood components that you can find in the lab refrigerator to the operating room,what would you leave behind?

Accepted Answer

A)  lymph 
B)  red blood cells 
C)  white blood cells 
D)  plasma 
E)  platelets 
A)  lymph 
B)  red blood cells 
C)  white blood cells 
D)  plasma 
E)  platelets

Question 19

A valve replacement would prevent the flow of blood from the

Accepted Answer

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

Question 20

The large vessels that carry blood to the heart are

Accepted Answer

A)  arteries. 
B)  veins. 
C)  capillaries. 
D)  lymph vessels. 
E)  sieve tubes. 
A)  arteries. 
B)  veins. 
C)  capillaries. 
D)  lymph vessels. 
E)  sieve tubes.

Exam 27: The Circulatory and Respiratory Systems

Vertebrates with a three-chambered heart include

Blood pressure is the force that

A defibrillator contains two paddles that are placed on a person's chest and through which an electrical shock is administered.What is this procedure treating?

If you had a patient with blood improperly draining from all areas above the diaphragm,you would suspect a problem with the

The scientific name of the "windpipe" is the

The chambers of the heart that push blood to the lungs or body are the ventricles.

Why would exercise help your blood circulation in your legs?

The liquid matrix of blood is

Air moves into the lungs when the air pressure in the lungs is ________ than the air pressure outside of the lungs.This occurs when the muscles of the diaphragm ________.

Why could a human not absorb enough oxygen through the skin,as opposed to creatures like sea anemones?

A heartbeat begins in the

A decrease in the oxygen-carrying capacity of blood is called anemia.

Blood transports the most carbon dioxide in what form?

Patients with cardiovascular problems can be prescribed many different medications. Aspirin inhibits platelets, beta-blockers slow the heart rate, and diuretics cause the kidneys to release more water in the urine. -Which drugs would be prescribed to a person who is at risk of forming a blood clot?

In a closed circulatory system,the heart pumps fluid through open-ended vessels into spaces where the fluid bathes the body's cells.

The large vessels of the circulatory system that carry blood away from the heart are

The signal for the heart to contract begins at the sinoatrial node.

If a doctor tells you to bring all of the bags with blood components that you can find in the lab refrigerator to the operating room,what would you leave behind?

A valve replacement would prevent the flow of blood from the

The large vessels that carry blood to the heart are

The Scientific Study of Life

The Chemistry of Life

Cells

The Energy of Life

Photosynthesis

Respiration and Fermentation

DNA Structure and Gene Function

DNA Replication,Binary Fission,and Mitosis

Sexual Reproduction and Meiosis

Patterns of Inheritance

DNA Technology

Forces of Evolutionary Change

Evidence of Evolution

Speciation and Extinction

Evolution and Diversity of Microbial Life

Evolution and Diversity of Plants

Evolution and Diversity of Animals

Populations

Communities and Ecosystems

Preserving Biodiversity

Plant Form and Function

Reproduction and Development of Flowering Plants

Animal Tissues and Organ Systems

The Nervous System and the Senses

The Endocrine System

The Skeletal and Muscular Systems

The Digestive and Urinary Systems

The Immune System

Animal Reproduction and Development

Filters

Air moves into the lungs when the air pressure in the lungs is than the air pressure outside of the lungs.This occurs when the muscles of the diaphragm .