Question 1

Which of the following statements is not true of the location of the heart?

Accepted Answer

A) It lies in the mediastinum. 
B) It lies to the right of the midline of the body. 
C) It lies behind the body of the sternum. 
D) All of the above are true about the location of the heart. 
A) It lies in the mediastinum. 
B) It lies to the right of the midline of the body. 
C) It lies behind the body of the sternum. 
D) All of the above are true about the location of the heart.

Question 2

Which of the following is not an atrioventricular valve?

Accepted Answer

A) Aortic 
B) Mitral 
C) Bicuspid 
D) Tricuspid 
A) Aortic 
B) Mitral 
C) Bicuspid 
D) Tricuspid

Question 3

Most of the blood vessels of the heart return to the heart via the coronary sinus.

Accepted Answer

A) True 
 B)False

Question 4

The valve that guards the left atrioventricular orifice is called the _____ valve.

Accepted Answer

A) bicuspid 
B) mitral 
C) tricuspid 
D) Both A and B are correct. 
A) bicuspid 
B) mitral 
C) tricuspid 
D) Both A and B are correct.

Question 5

The cavity of the heart that normally has the thickest wall is the:

Accepted Answer

A) right atrium. 
B) left atrium. 
C) right ventricle. 
D) left ventricle. 
A) right atrium. 
B) left atrium. 
C) right ventricle. 
D) left ventricle.

Question 6

The ventricle of the heart that ejects blood toward the lungs is the:

Accepted Answer

A) right atrium. 
B) right ventricle. 
C) left atrium. 
D) left ventricle. 
A) right atrium. 
B) right ventricle. 
C) left atrium. 
D) left ventricle.

Question 7

The left pump helps to move blood through the systemic circulation.

Accepted Answer

A) True 
 B)False

Question 8

The right ventricle has the thickest wall of any of the heart chambers.

Accepted Answer

A) True 
 B)False

Question 9

Ventricles are the pumping chambers of the heart.

Accepted Answer

A) True 
 B)False

Question 10

The right atrioventricular valve is also called the:

Accepted Answer

A) bicuspid. 
B) tricuspid. 
C) mitral. 
D) aortic. 
A) bicuspid. 
B) tricuspid. 
C) mitral. 
D) aortic.

Question 11

Which of the following is not true of ventricles?

Accepted Answer

A) They are the pumping chambers of the heart. 
B) The myocardium of the ventricles is thicker than that of the atria. 
C) The myocardium of the left ventricle is thicker than that of the right ventricle. 
D) All of the above are true of the ventricles. 
A) They are the pumping chambers of the heart. 
B) The myocardium of the ventricles is thicker than that of the atria. 
C) The myocardium of the left ventricle is thicker than that of the right ventricle. 
D) All of the above are true of the ventricles.

Question 12

As a person grows to adulthood, the heart increases in size and becomes a greater percentage of the body weight.

Accepted Answer

A) True 
 B)False

Question 13

Match each ECG wave or complex with the corresponding action in the cardiac cycle.
-Late repolarization of the Purkinje fibers, larger with hypokalemia

Accepted Answer

A) QRS complex 
B) P wave 
C) T wave 
D) U wave 
A) QRS complex 
B) P wave 
C) T wave 
D) U wave

Question 14

During isovolumetric ventricular relaxation, both the semilunar valves and the AV valves are closed.

Accepted Answer

A) True 
 B)False

Question 15

Which chamber of the heart normally has the thickest wall? Why is this thick wall helpful in accomplishing its function?

Accepted Answer

The chamber of the heart that normally h

Question 16

Match each term related to heart circulation with its corresponding location or description.
-Valve through which the left ventricle pumps blood

Accepted Answer

A) Right ventricle 
B) Right atrium 
C) Left atrium 
D) Left ventricle 
E) Right atrioventricular valve
F)Left atrioventricular valve
G)Aortic semilunar valve
H)Pulmonary semilunar valve
I)Superior vena cava
J)Aorta
K)Pulmonary vein
L)Pulmonary artery 
A) Right ventricle 
B) Right atrium 
C) Left atrium 
D) Left ventricle 
E) Right atrioventricular valve
F)Left atrioventricular valve
G)Aortic semilunar valve
H)Pulmonary semilunar valve
I)Superior vena cava
J)Aorta
K)Pulmonary vein
L)Pulmonary artery

Question 17

The blood entering the aorta has just left which heart chamber?

Accepted Answer

A) Right atrium 
B) Right ventricle 
C) Left atrium 
D) Left ventricle 
A) Right atrium 
B) Right ventricle 
C) Left atrium 
D) Left ventricle

Question 18

The period between the filling of the ventricles and the opening of the semilunar valves is called:

Accepted Answer

A) atrial systole. 
B) isovolumetric ventricular contraction. 
C) isovolumetric ventricular relaxation. 
D) passive ventricular filling. 
A) atrial systole. 
B) isovolumetric ventricular contraction. 
C) isovolumetric ventricular relaxation. 
D) passive ventricular filling.

Question 19

Which of the following most accurately describes what is measured by an electrocardiogram?

Accepted Answer

A) Electrical conductivity 
B) Number of contractions per minute 
C) The speed and strength of contractions 
D) Any abnormal functioning 
A) Electrical conductivity 
B) Number of contractions per minute 
C) The speed and strength of contractions 
D) Any abnormal functioning

Question 20

Match each term related to heart circulation with its corresponding location or description.
-Valve through which the right ventricle pumps blood

Accepted Answer

A) Right ventricle 
B) Right atrium 
C) Left atrium 
D) Left ventricle 
E) Right atrioventricular valve
F)Left atrioventricular valve
G)Aortic semilunar valve
H)Pulmonary semilunar valve
I)Superior vena cava
J)Aorta
K)Pulmonary vein
L)Pulmonary artery 
A) Right ventricle 
B) Right atrium 
C) Left atrium 
D) Left ventricle 
E) Right atrioventricular valve
F)Left atrioventricular valve
G)Aortic semilunar valve
H)Pulmonary semilunar valve
I)Superior vena cava
J)Aorta
K)Pulmonary vein
L)Pulmonary artery

Exam 28: Heart

Which of the following statements is not true of the location of the heart?

Which of the following is not an atrioventricular valve?

Most of the blood vessels of the heart return to the heart via the coronary sinus.

The valve that guards the left atrioventricular orifice is called the _____ valve.

The cavity of the heart that normally has the thickest wall is the:

The ventricle of the heart that ejects blood toward the lungs is the:

The left pump helps to move blood through the systemic circulation.

The right ventricle has the thickest wall of any of the heart chambers.

Ventricles are the pumping chambers of the heart.

The right atrioventricular valve is also called the:

Which of the following is not true of ventricles?

As a person grows to adulthood, the heart increases in size and becomes a greater percentage of the body weight.

Match each ECG wave or complex with the corresponding action in the cardiac cycle. -Late repolarization of the Purkinje fibers, larger with hypokalemia

During isovolumetric ventricular relaxation, both the semilunar valves and the AV valves are closed.

Which chamber of the heart normally has the thickest wall? Why is this thick wall helpful in accomplishing its function?

Match each term related to heart circulation with its corresponding location or description. -Valve through which the left ventricle pumps blood

The blood entering the aorta has just left which heart chamber?

The period between the filling of the ventricles and the opening of the semilunar valves is called:

Which of the following most accurately describes what is measured by an electrocardiogram?

Match each term related to heart circulation with its corresponding location or description. -Valve through which the right ventricle pumps blood

Organization of the Body

Homeostasis

Chemistry of Life

Biomolecules

Cell Structure

Cell Function

Cell Growth and Development

Introduction to Tissues

Tissue Types

Skin

Skeletal Tissues

Axial Skeleton

Appendicular Skeleton

Articulations

Axial Muscles

Appendicular Muscles

Muscle Contraction

Nervous System Cells

Nerve Signaling

Central Nervous System

Peripheral Nervous System

Autonomic Nervous System

General Senses

Special Senses

Endocrine Regulation

Endocrine Glands

Blood

Blood Vessels

Circulation of the Blood

Lymphatic System

Innate Immunity

Adaptive Immunity

Stress

Respiratory Tract

Ventilation

Gas Exchange Transport

Upper Digestive Tract

Lower Digestive Tract

Digestion and Absorption

Nutrition and Metabolism

Urinary System

Fluid and Electrolyte Balance

Acid-Base Balance

Male Reproductive System

Female Reproductive System

Growth, Development, and Aging

Genetics and Heredity

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