Question 1

Cardiac output is calculated by multiplying the stroke volume by the systolic blood pressure.

Accepted Answer

A) True 
 B)False  False

Question 2

Which of the following is due to an aging cardiovascular system?

Accepted Answer

A)  The tunica interna thickens. 
B)  The direction of blood flow in some capillaries reverses. 
C)  Arteries become less rigid. 
D)  Veins lose collagen. 
A)  The tunica interna thickens. 
B)  The direction of blood flow in some capillaries reverses. 
C)  Arteries become less rigid. 
D)  Veins lose collagen. A

Question 3

A left ventricular assist device

Accepted Answer

A)  is routinely used in people who have had heart attacks. 
B)  can substitute for the atria. 
C)  can maintain cardiac function until a donor heart becomes available. 
D)  is an implantable replacement heart. 
A)  is routinely used in people who have had heart attacks. 
B)  can substitute for the atria. 
C)  can maintain cardiac function until a donor heart becomes available. 
D)  is an implantable replacement heart. C

Question 4

The external carotid arteries branch to structures in the

Accepted Answer

A)  scalp. 
B)  face. 
C)  base of the skull. 
D)  all of the above. 
A)  scalp. 
B)  face. 
C)  base of the skull. 
D)  all of the above.

Question 5

Bruce has colorectal cancer that has spread to his lymphatic system. He is given a drug that is an angiogenesis inhibitor. The drug works by

Accepted Answer

A)  stimulating new blood vessels to serve tissue damaged by the cancer. 
B)  starving tumors by cutting off their blood supplies. 
C)  halting cell division only in tumor cells. 
D)  cutting off the supply of ATP to cancer cells. 
A)  stimulating new blood vessels to serve tissue damaged by the cancer. 
B)  starving tumors by cutting off their blood supplies. 
C)  halting cell division only in tumor cells. 
D)  cutting off the supply of ATP to cancer cells.

Question 6

Which of the following gases does endothelium release?

Accepted Answer

A)  Nitric oxide 
B)  Oxygen 
C)  Nitrogen 
D)  Methane 
A)  Nitric oxide 
B)  Oxygen 
C)  Nitrogen 
D)  Methane

Question 7

Water and dissolved substances leave the arteriole end of a capillary due to ____, and enter the venule end of a capillary due to ______.

Accepted Answer

A)  hydrostatic pressure being higher than osmotic pressure; active transport being greater than osmotic pressure 
B)  osmotic pressure being higher than hydrostatic pressure; hydrostatic pressure being higher than osmotic pressure 
C)  hydrostatic pressure being higher than osmotic pressure; osmotic pressure being higher than hydrostatic pressure 
D)  osmosis; active transport 
A)  hydrostatic pressure being higher than osmotic pressure; active transport being greater than osmotic pressure 
B)  osmotic pressure being higher than hydrostatic pressure; hydrostatic pressure being higher than osmotic pressure 
C)  hydrostatic pressure being higher than osmotic pressure; osmotic pressure being higher than hydrostatic pressure 
D)  osmosis; active transport

Question 8

Which of the following is not a factor that increases risk of developing atherosclerosis?

Accepted Answer

A)  A diet high in unsaturated fats 
B)  Tobacco smoking 
C)  Lack of physical exercise 
D)  Low blood pressure 
A)  A diet high in unsaturated fats 
B)  Tobacco smoking 
C)  Lack of physical exercise 
D)  Low blood pressure

Question 9

Sudden cardiac arrest can result from

Accepted Answer

A)  an artery blocked with plaque. 
B)  scar tissue from a previous heart attack. 
C)  accelerated heart rate. 
D)  all of the above. 
A)  an artery blocked with plaque. 
B)  scar tissue from a previous heart attack. 
C)  accelerated heart rate. 
D)  all of the above.

Question 10

An abnormally slow heart rate is termed

Accepted Answer

A)  tachycardia. 
B)  bradycardia. 
C)  fibrillation. 
D)  cardioversion. 
A)  tachycardia. 
B)  bradycardia. 
C)  fibrillation. 
D)  cardioversion.

Question 11

Once cells in the SA node reach threshold,

Accepted Answer

A)  an action potential is triggered. 
B)  a heart attack occurs. 
C)  nothing happens until the AV node is innervated. 
D)  the heart stops beating. 
A)  an action potential is triggered. 
B)  a heart attack occurs. 
C)  nothing happens until the AV node is innervated. 
D)  the heart stops beating.

Question 12

The great saphenous vein is the longest vein in the body.

Accepted Answer

A) True 
 B)False

Question 13

The skeleton of the heart consists of

Accepted Answer

A)  bone within the myocardium. 
B)  bone within the interatrial septum. 
C)  fibrous connective tissue in the endocardium. 
D)  fibrous connective tissue encircling the atrioventricular orifices. 
A)  bone within the myocardium. 
B)  bone within the interatrial septum. 
C)  fibrous connective tissue in the endocardium. 
D)  fibrous connective tissue encircling the atrioventricular orifices.

Question 14

Impulses that the vagus nerve carries to the heart

Accepted Answer

A)  are parasympathetic and increase heart rate. 
B)  are parasympathetic and decrease heart rate. 
C)  are sympathetic and increase heart rate. 
D)  are sympathetic and decrease heart rate. 
A)  are parasympathetic and increase heart rate. 
B)  are parasympathetic and decrease heart rate. 
C)  are sympathetic and increase heart rate. 
D)  are sympathetic and decrease heart rate.

Question 15

When the ventricular walls contract,

Accepted Answer

A)  the mitral valve opens and the tricuspid valve closes. 
B)  the tricuspid valve opens and the mitral valve closes. 
C)  the mitral and tricuspid valves close. 
D)  the mitral and tricuspid valves open. 
A)  the mitral valve opens and the tricuspid valve closes. 
B)  the tricuspid valve opens and the mitral valve closes. 
C)  the mitral and tricuspid valves close. 
D)  the mitral and tricuspid valves open.

Question 16

Plasma proteins in capillaries help to

Accepted Answer

A)  maintain the osmotic pressure of the blood. 
B)  decrease the osmotic pressure of the blood. 
C)  maintain the hydrostatic pressure of the blood. 
D)  decrease the hydrostatic pressure of the blood. 
A)  maintain the osmotic pressure of the blood. 
B)  decrease the osmotic pressure of the blood. 
C)  maintain the hydrostatic pressure of the blood. 
D)  decrease the hydrostatic pressure of the blood.

Question 17

The structures that contain chemoreceptors that detect blood levels of oxygen and carbon dioxide are the

Accepted Answer

A)  aortic bodies. 
B)  aortic sinuses. 
C)  aortic branches. 
D)  capillary buds. 
A)  aortic bodies. 
B)  aortic sinuses. 
C)  aortic branches. 
D)  capillary buds.

Question 18

Blood from the face and scalp is drained by the

Accepted Answer

A)  external jugular vein. 
B)  subclavian vein. 
C)  superior vena cava. 
D)  cephalic vein. 
A)  external jugular vein. 
B)  subclavian vein. 
C)  superior vena cava. 
D)  cephalic vein.

Question 19

Atrial natriuretic peptide is a hormone that

Accepted Answer

A)  is released from certain muscle cells of the heart. 
B)  inhibits the release of renin and aldosterone. 
C)  lowers blood pressure. 
D)  all of the above. 
A)  is released from certain muscle cells of the heart. 
B)  inhibits the release of renin and aldosterone. 
C)  lowers blood pressure. 
D)  all of the above.

Question 20

The aorta is the largest artery in the pulmonary circuit.

Accepted Answer

A) True 
 B)False

Exam 15: Cardiovascular System

Cardiac output is calculated by multiplying the stroke volume by the systolic blood pressure.

Which of the following is due to an aging cardiovascular system?

A left ventricular assist device

The external carotid arteries branch to structures in the

Bruce has colorectal cancer that has spread to his lymphatic system. He is given a drug that is an angiogenesis inhibitor. The drug works by

Which of the following gases does endothelium release?

Water and dissolved substances leave the arteriole end of a capillary due to ____, and enter the venule end of a capillary due to ______.

Which of the following is not a factor that increases risk of developing atherosclerosis?

Sudden cardiac arrest can result from

An abnormally slow heart rate is termed

Once cells in the SA node reach threshold,

The great saphenous vein is the longest vein in the body.

The skeleton of the heart consists of

Impulses that the vagus nerve carries to the heart

When the ventricular walls contract,

Plasma proteins in capillaries help to

The structures that contain chemoreceptors that detect blood levels of oxygen and carbon dioxide are the

Blood from the face and scalp is drained by the

Atrial natriuretic peptide is a hormone that

The aorta is the largest artery in the pulmonary circuit.

Introduction to Human Anatomy and Physiology

Chemical Basis of Life

Cells

Cellular Metabolism

Tissues

Integumentary System

Skeletal System

Joints of the Skeletal System

Muscular System

Nervous System I: Basic Structure and Function

Nervous System II: Division of the Nervous System

Nervous System III: Senses

Endocrine System

Blood

Lymphatic System and Immunity

Digestive System

Nutrition and Metabolism

Respiratory System

Urinary System

Water, Electrolyte, and Acid-Based Balance

Reproductive Systems

Pregnancy, Growth, and Development

Genetics and Genomics

Filters

Water and dissolved substances leave the arteriole end of a capillary due to , and enter the venule end of a capillary due to __.