Question 1

Sympathetic stimulation increases

Accepted Answer

A)  end-diastolic volume. 
B)  stroke volume. 
C)  end-systolic volume. 
D)  blood vessel volume. 
A)  end-diastolic volume. 
B)  stroke volume. 
C)  end-systolic volume. 
D)  blood vessel volume.

Question 2

The celiac artery provides blood to the

Accepted Answer

A)  diaphragm. 
B)  large intestine. 
C)  liver and spleen. 
D)  adrenal glands. 
A)  diaphragm. 
B)  large intestine. 
C)  liver and spleen. 
D)  adrenal glands.

Question 3

In an ECG pattern, the PQ interval indicates how long it takes for the cardiac impulse to travel from the

Accepted Answer

A)  SA node to the atrial muscle fibers. 
B)  SA node to the Purkinje fibers. 
C)  AV node to the atrial muscle fibers. 
D)  SA node through the AV node. 
A)  SA node to the atrial muscle fibers. 
B)  SA node to the Purkinje fibers. 
C)  AV node to the atrial muscle fibers. 
D)  SA node through the AV node.

Question 4

Kidney disease can cause hypertension by

Accepted Answer

A)  activating the renin-angiotensin mechanism. 
B)  stimulating the secretion of aldosterone. 
C)  increasing retention of sodium and water. 
D)  all of the above. 
A)  activating the renin-angiotensin mechanism. 
B)  stimulating the secretion of aldosterone. 
C)  increasing retention of sodium and water. 
D)  all of the above.

Question 5

The apical heartbeat is heard by listening between the fifth and sixth ribs about 7.5 cm left of the midline.

Accepted Answer

A) True 
 B)False

Question 6

Metarterioles connect arterioles and venules, and allow blood to bypass the capillaries.

Accepted Answer

A) True 
 B)False

Question 7

The effect on the heart of excess potassium ion concentration usually is

Accepted Answer

A)  increased rate and increased force of contraction. 
B)  decreased rate and increased force of contraction. 
C)  decreased rate and decreased force of contraction. 
D)  increased rate and decreased force of contraction. 
A)  increased rate and increased force of contraction. 
B)  decreased rate and increased force of contraction. 
C)  decreased rate and decreased force of contraction. 
D)  increased rate and decreased force of contraction.

Question 8

Capillary walls consist of a single layer of epithelial cells, and they exchange substances in the blood for substances in the tissue fluid surrounding body cells.

Accepted Answer

A) True 
 B)False

Question 9

The loose-fitting sac around the heart is the

Accepted Answer

A)  fibrous pericardium. 
B)  visceral pericardium. 
C)  epicardium. 
D)  endocardium. 
A)  fibrous pericardium. 
B)  visceral pericardium. 
C)  epicardium. 
D)  endocardium.

Question 10

The visceral pericardium lines the pericardial cavity, whereas the parietal pericardium covers the surface of the heart.

Accepted Answer

A) True 
 B)False

Question 11

A sphygmomanometer measures

Accepted Answer

A)  clotting time. 
B)  blood pressure. 
C)  hematocrit. 
D)  brain function. 
A)  clotting time. 
B)  blood pressure. 
C)  hematocrit. 
D)  brain function.

Question 12

Arteries are strong, elastic vessels that carry blood to the heart.

Accepted Answer

A) True 
 B)False

Question 13

Cells of the conducting system in the heart are more sensitive to which ion?

Accepted Answer

A)  Sodium 
B)  Iron 
C)  Potassium 
D)  Chloride 
A)  Sodium 
B)  Iron 
C)  Potassium 
D)  Chloride

Question 14

The distribution of blood in capillary pathways is largely controlled by the action of precapillary sphincters.

Accepted Answer

A) True 
 B)False

Question 15

Pulse pressure is calculated by

Accepted Answer

A)  adding systolic and diastolic pressures. 
B)  multiplying systolic and diastolic pressures. 
C)  subtracting systolic pressure from diastolic pressure. 
D)  subtracting diastolic pressure from systolic pressure. 
A)  adding systolic and diastolic pressures. 
B)  multiplying systolic and diastolic pressures. 
C)  subtracting systolic pressure from diastolic pressure. 
D)  subtracting diastolic pressure from systolic pressure.

Question 16

Which of the following waves of an ECG pattern is/are correctly described?

Accepted Answer

A)  P wave-depolarization of atria 
B)  QRS complex-repolarization of ventricles 
C)  T wave-depolarization of ventricles 
D)  QRST complex-depolarization of ventricles 
A)  P wave-depolarization of atria 
B)  QRS complex-repolarization of ventricles 
C)  T wave-depolarization of ventricles 
D)  QRST complex-depolarization of ventricles

Question 17

Which of the following might serve as a secondary pacemaker for the heart?

Accepted Answer

A)  AV node 
B)  Purkinje fibers 
C)  Both AV node and Purkinje fibers 
D)  Neither AV node nor Purkinje fibers 
A)  AV node 
B)  Purkinje fibers 
C)  Both AV node and Purkinje fibers 
D)  Neither AV node nor Purkinje fibers

Question 18

The pulmonary trunk divides into the right and left pulmonary arteries about __ centimeters above its origin.

Accepted Answer

A)  5 
B)  8 
C)  10 
D)  12 
A)  5 
B)  8 
C)  10 
D)  12

Question 19

Venules continue from capillaries to form veins, which return blood to the atria.

Accepted Answer

A) True 
 B)False

Question 20

Circulation is vital because it

Accepted Answer

A)  supplies oxygen and nutrients to and removes wastes from tissues. 
B)  inflates the lungs. 
C)  delivers carbon dioxide to tissues and removes excess oxygen. 
D)  delivers wastes to tissues. 
A)  supplies oxygen and nutrients to and removes wastes from tissues. 
B)  inflates the lungs. 
C)  delivers carbon dioxide to tissues and removes excess oxygen. 
D)  delivers wastes to tissues.

Exam 15: Cardiovascular System

Sympathetic stimulation increases

The celiac artery provides blood to the

In an ECG pattern, the PQ interval indicates how long it takes for the cardiac impulse to travel from the

Kidney disease can cause hypertension by

The apical heartbeat is heard by listening between the fifth and sixth ribs about 7.5 cm left of the midline.

Metarterioles connect arterioles and venules, and allow blood to bypass the capillaries.

The effect on the heart of excess potassium ion concentration usually is

Capillary walls consist of a single layer of epithelial cells, and they exchange substances in the blood for substances in the tissue fluid surrounding body cells.

The loose-fitting sac around the heart is the

The visceral pericardium lines the pericardial cavity, whereas the parietal pericardium covers the surface of the heart.

A sphygmomanometer measures

Arteries are strong, elastic vessels that carry blood to the heart.

Cells of the conducting system in the heart are more sensitive to which ion?

The distribution of blood in capillary pathways is largely controlled by the action of precapillary sphincters.

Pulse pressure is calculated by

Which of the following waves of an ECG pattern is/are correctly described?

Which of the following might serve as a secondary pacemaker for the heart?

The pulmonary trunk divides into the right and left pulmonary arteries about __ centimeters above its origin.

Venules continue from capillaries to form veins, which return blood to the atria.

Circulation is vital because it

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

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