Question 1

Which of the following blood vessels are small, thin, and porous enough to exchange substances at the tissue level of organization?

Accepted Answer

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

Question 2

What are the upper chambers of the heart called?

Accepted Answer

A)  atria 
B)  auricles 
C)  AV valves 
D)  ventricles 
E)  septa 
A)  atria 
B)  auricles 
C)  AV valves 
D)  ventricles 
E)  septa

Question 3

What is the function of valves in the veins?

Accepted Answer

A)  increase the rate of blood flow 
B)  prevent the backward flow of blood 
C)  regulation of blood pressure 
D)  oxygenate the blood 
E)  remove debris from the blood 
A)  increase the rate of blood flow 
B)  prevent the backward flow of blood 
C)  regulation of blood pressure 
D)  oxygenate the blood 
E)  remove debris from the blood

Question 4

The cardiac muscle is supplied with nutrients from the blood within the heart itself.

Accepted Answer

A) True 
 B)False

Question 5

If a person is dehydrated, how will this affect nutrient exchange at the capillaries?

Accepted Answer

A)  It will have no effect. 
B)  Water will not leave the arterial end of the capillary and enter the tissues. 
C)  Oxygen will not leave the capillary and enter the tissues. 
D)  Carbon dioxide will not leave the tissues and enter the capillary. 
E)  Plasma proteins will be able to leave the capillary and enter the tissues. 
A)  It will have no effect. 
B)  Water will not leave the arterial end of the capillary and enter the tissues. 
C)  Oxygen will not leave the capillary and enter the tissues. 
D)  Carbon dioxide will not leave the tissues and enter the capillary. 
E)  Plasma proteins will be able to leave the capillary and enter the tissues.

Question 6

Mrs. Hinson was informed that her blood pressure was 150/95. These numbers indicate that she has __________.

Accepted Answer

A)  normal blood pressure 
B)  prehypertension 
C)  hypotension 
D)  stage 1 hypertension 
E)  stage 2 hypertension 
A)  normal blood pressure 
B)  prehypertension 
C)  hypotension 
D)  stage 1 hypertension 
E)  stage 2 hypertension

Question 7

What is the name of the thick, membranous sac that surrounds and protects the heart?

Accepted Answer

A)  mesothelium 
B)  endothelium 
C)  pericardium 
D)  myocardium 
E)  epicardium 
A)  mesothelium 
B)  endothelium 
C)  pericardium 
D)  myocardium 
E)  epicardium

Question 8

When dissecting a specimen, Barry noticed that the arteries were thicker and more elastic than the veins. Why?

Accepted Answer

A)  Veins return blood to the heart against gravity. 
B)  Arteries contain a greater volume of blood. 
C)  Veins have valves. 
D)  Arteries are under greater pressure. 
E)  Arteries have less smooth muscle than veins. 
A)  Veins return blood to the heart against gravity. 
B)  Arteries contain a greater volume of blood. 
C)  Veins have valves. 
D)  Arteries are under greater pressure. 
E)  Arteries have less smooth muscle than veins.

Question 9

Which of the following could be used to take a pulse?

Accepted Answer

A)  radial vein 
B)  radial artery 
C)  inferior vena cava 
D)  superior vena cava 
E)  renal capillaries 
A)  radial vein 
B)  radial artery 
C)  inferior vena cava 
D)  superior vena cava 
E)  renal capillaries

Question 10

All veins carry oxygen-poor blood.

Accepted Answer

A) True 
 B)False

Question 11

What happens to the excess fluid that leaves the capillaries at the venous end?

Accepted Answer

A)  There is no excess fluid, 100% always returns to the capillary beds. 
B)  The excess fluid is excreted by the kidneys. 
C)  The excess fluid is reabsorbed by the intestines. 
D)  The excess fluid will accumulate in the cells causing them to rupture. 
E)  The excess fluid is collected in the lymphatic capillaries. 
A)  There is no excess fluid, 100% always returns to the capillary beds. 
B)  The excess fluid is excreted by the kidneys. 
C)  The excess fluid is reabsorbed by the intestines. 
D)  The excess fluid will accumulate in the cells causing them to rupture. 
E)  The excess fluid is collected in the lymphatic capillaries.

Question 12

What are the string-like structures in the heart that anchor the valves?

Accepted Answer

A)  cingulated pectorale 
B)  chordae tendinae 
C)  corpus albicans 
D)  corpus callosum 
E)  choroid plexus 
A)  cingulated pectorale 
B)  chordae tendinae 
C)  corpus albicans 
D)  corpus callosum 
E)  choroid plexus

Question 13

Dr. Ferguson explained that in a condition known as situs inversus, the internal organs are reversed in their orientation. Thus, the apex of the heart would be oriented to the ___.

Accepted Answer

A)  middle 
B)  right 
C)  left 
D)  front 
E)  back 
A)  middle 
B)  right 
C)  left 
D)  front 
E)  back

Question 14

Which of the following is the largest artery of the systemic circuit?

Accepted Answer

A)  aorta 
B)  vena cava 
C)  femoral artery 
D)  carotid artery 
E)  pulmonary artery 
A)  aorta 
B)  vena cava 
C)  femoral artery 
D)  carotid artery 
E)  pulmonary artery

Question 15

Which of the following heart tissues is not part of the internal conduction system of the heart?

Accepted Answer

A)  atrioventricular bundle 
B)  atrioventricular node 
C)  Purkinje fibers 
D)  sinoatrial node 
E)  semilunar valve 
A)  atrioventricular bundle 
B)  atrioventricular node 
C)  Purkinje fibers 
D)  sinoatrial node 
E)  semilunar valve

Question 16

If your pulse is 70 beats per minute, how fast is your heart beating?

Accepted Answer

A)  140 beats per minute 
B)  35 beats per minute 
C)  70 beats per minute 
D)  120 beats per minute 
E)  80 beats per minute 
A)  140 beats per minute 
B)  35 beats per minute 
C)  70 beats per minute 
D)  120 beats per minute 
E)  80 beats per minute

Question 17

Compare the structure and function of the arteries to that of the veins.

Accepted Answer

Arteries are blood vessels that transpor

Question 18

Blood pressure ______ with distance from the left ventricle while the total cross-sectional area of the blood vessels __________.

Accepted Answer

A)  decreases, increases 
B)  increases, decreases 
C)  stays the same, decreases 
D)  stays the same, increases 
E)  decreases, stays the same 
A)  decreases, increases 
B)  increases, decreases 
C)  stays the same, decreases 
D)  stays the same, increases 
E)  decreases, stays the same

Question 19

The American Heart Association recommends a diet low in saturated fat and cholesterol to prevent which disease?

Accepted Answer

A)  hypotension 
B)  aneurysm 
C)  hypertension 
D)  atherosclerosis 
E)  infarction 
A)  hypotension 
B)  aneurysm 
C)  hypertension 
D)  atherosclerosis 
E)  infarction

Question 20

Which blood vessel of the pulmonary circuit will carry deoxygenated blood?

Accepted Answer

A)  pulmonary artery 
B)  pulmonary vein 
C)  vena cava 
D)  aorta 
E)  all of these carry deoxygenated blood 
A)  pulmonary artery 
B)  pulmonary vein 
C)  vena cava 
D)  aorta 
E)  all of these carry deoxygenated blood

Exam 5: Cardiovascular System: Heart and Blood Vessels

Which of the following blood vessels are small, thin, and porous enough to exchange substances at the tissue level of organization?

What are the upper chambers of the heart called?

What is the function of valves in the veins?

The cardiac muscle is supplied with nutrients from the blood within the heart itself.

If a person is dehydrated, how will this affect nutrient exchange at the capillaries?

Mrs. Hinson was informed that her blood pressure was 150/95. These numbers indicate that she has __________.

What is the name of the thick, membranous sac that surrounds and protects the heart?

When dissecting a specimen, Barry noticed that the arteries were thicker and more elastic than the veins. Why?

Which of the following could be used to take a pulse?

All veins carry oxygen-poor blood.

What happens to the excess fluid that leaves the capillaries at the venous end?

What are the string-like structures in the heart that anchor the valves?

Dr. Ferguson explained that in a condition known as situs inversus, the internal organs are reversed in their orientation. Thus, the apex of the heart would be oriented to the ___.

Which of the following is the largest artery of the systemic circuit?

Which of the following heart tissues is not part of the internal conduction system of the heart?

If your pulse is 70 beats per minute, how fast is your heart beating?

Compare the structure and function of the arteries to that of the veins.

Blood pressure ______ with distance from the left ventricle while the total cross-sectional area of the blood vessels __________.

The American Heart Association recommends a diet low in saturated fat and cholesterol to prevent which disease?

Which blood vessel of the pulmonary circuit will carry deoxygenated blood?

Exploring Life and Science

Chemistry of Life

Cell Structure and Function

Organization and Regulation of Body Systems

Cardiovascular System: Blood

The Lymphatic and Immune Systems

Digestive System and Nutrition

Respiratory System

Urinary System

Skeletal System

Muscular System

Nervous System

Senses

Endocrine System

Reproductive System

Human Development and Aging

Patterns of Chromosome Inheritance

Cancer

Patterns of Genetic Inheritance

DNA Biology and Technology

Human Evolution

Global Ecology and Human Interferences

Human Population, Planetary Resources, and Conservation

Infectious Diseases Supplement

Filters

Blood pressure with distance from the left ventricle while the total cross-sectional area of the blood vessels ____.