Question 1

The average resting heart rate of a healthy adult human is

Accepted Answer

A) 50 beats per minute 
B) 60 beats per minute 
C) 75 beats per minute 
D) 85 beats per minute 
E) 100 beats per minute 
A) 50 beats per minute 
B) 60 beats per minute 
C) 75 beats per minute 
D) 85 beats per minute 
E) 100 beats per minute

Question 2

Oxygenated blood is delivered to the myocardium of the heart by the

Accepted Answer

A) aortic arch 
B) descending aorta 
C) pulmonary arteries 
D) coronary sinus 
E) coronary arteries 
A) aortic arch 
B) descending aorta 
C) pulmonary arteries 
D) coronary sinus 
E) coronary arteries

Question 3

The chordae tendineae and papillary muscles of the atrioventricular valves prevent the valve's cusp from pushing up into the atria during ventricular contraction.

Accepted Answer

A) True 
 B)False

Question 4

Which of following conditions commonly causes pulmonary edema?

Accepted Answer

A) heart murmurs 
B) angina pectoris 
C) ischemia 
D) congestive heart failure 
E) all of the choices are correct 
A) heart murmurs 
B) angina pectoris 
C) ischemia 
D) congestive heart failure 
E) all of the choices are correct

Question 5

Which of the labeled structures in the diagram of the heart action potential conduction system is the bundle of His?

Accepted Answer

A) A 
B) B 
C) C 
D) D 
E) E 
A) A 
B) B 
C) C 
D) D 
E) E

Question 6

Silent myocardial ischemia is a reduced blood flow to the heart tissue without any pain or forewarning of heart problems.

Accepted Answer

A) True 
 B)False

Question 7

Which of the following vessels carries blood with the highest concentration of oxygen under normal conditions?

Accepted Answer

A) inferior vena cava 
B) superior vena cava 
C) pulmonary veins 
D) coronary vein 
E) pulmonary arteries 
A) inferior vena cava 
B) superior vena cava 
C) pulmonary veins 
D) coronary vein 
E) pulmonary arteries

Question 8

In the diagram, where is the auricle of left atrium?

Accepted Answer

A) A 
B) B 
C) C 
D) F 
E) G 
A) A 
B) B 
C) C 
D) F 
E) G

Question 9

The three vessels that deliver blood to the right atrium include the

Accepted Answer

A) three pulmonary veins. 
B) superior and inferior vena cavae and the coronary arteries. 
C) superior and inferior vena cavae and the coronary sinus. 
D) two pulmonary veins and the pulmonary trunk. 
E) left and right common carotid arteries and the iliac artery. 
A) three pulmonary veins. 
B) superior and inferior vena cavae and the coronary arteries. 
C) superior and inferior vena cavae and the coronary sinus. 
D) two pulmonary veins and the pulmonary trunk. 
E) left and right common carotid arteries and the iliac artery.

Question 10

At a normal resting heart rate, each cardiac cycle lasts approximately

Accepted Answer

A) 0.1 seconds 
B) 0.2 seconds 
C) 0.4 seconds 
D) 0.8 seconds 
E) 2.0 seconds 
A) 0.1 seconds 
B) 0.2 seconds 
C) 0.4 seconds 
D) 0.8 seconds 
E) 2.0 seconds

Question 11

Closing of the AV valves produces the

Accepted Answer

A) P wave 
B) T wave 
C) QRS wave 
D) first heart sound (lubb) 
E) second heart sound (dupp) 
A) P wave 
B) T wave 
C) QRS wave 
D) first heart sound (lubb) 
E) second heart sound (dupp)

Question 12

Cardiac output is defined as the

Accepted Answer

A) total volume of blood within the body. 
B) volume of blood pumped per beat by the left ventricle. 
C) volume of blood pumped per minute by the left ventricle. 
D) number of times that heart beats per minute. 
E) volume of blood pumped by the heart per day. 
A) total volume of blood within the body. 
B) volume of blood pumped per beat by the left ventricle. 
C) volume of blood pumped per minute by the left ventricle. 
D) number of times that heart beats per minute. 
E) volume of blood pumped by the heart per day.

Question 13

Which of the following stimulates an increase in heart rate?

Accepted Answer

A) norepinephrine 
B) acetylcholine 
C) parasympathetic stimulation 
D) both norepinephrine and parasympathetic stimulation 
E) both acetylcholine and parasympathetic stimulation 
A) norepinephrine 
B) acetylcholine 
C) parasympathetic stimulation 
D) both norepinephrine and parasympathetic stimulation 
E) both acetylcholine and parasympathetic stimulation

Question 14

The left ventricle pumps blood directly into the

Accepted Answer

A) pulmonary trunk 
B) ascending aorta 
C) descending aorta 
D) pulmonary vein 
E) vena cavae 
A) pulmonary trunk 
B) ascending aorta 
C) descending aorta 
D) pulmonary vein 
E) vena cavae

Question 15

Which of the following layers of the pericardium is also referred to as the epicardium?

Accepted Answer

A) adipose layer of the fibrous pericardium 
B) fibrous pericardium 
C) parietal layer of the serous pericardium 
D) visceral layer of the serous pericardium 
E) pericardial cavity 
A) adipose layer of the fibrous pericardium 
B) fibrous pericardium 
C) parietal layer of the serous pericardium 
D) visceral layer of the serous pericardium 
E) pericardial cavity

Question 16

The step labeled 1 in the diagram of blood flow through the heart shows deoxygenated blood entering the right atrium through the

Accepted Answer

A) superior and inferior vena cavae 
B) ascending and descending aorta 
C) internal and external iliac veins 
D) pulmonary arteries 
E) pulmonary veins 
A) superior and inferior vena cavae 
B) ascending and descending aorta 
C) internal and external iliac veins 
D) pulmonary arteries 
E) pulmonary veins

Question 17

Which of the labeled structures in the diagram of the heart action potential conduction system consists of specialized cardiac muscle cells that spontaneously create action potentials at a set rate?

Accepted Answer

A) A only 
B) B only 
C) A and B 
D) A, B, and C 
E) A, B, C, D, and E 
A) A only 
B) B only 
C) A and B 
D) A, B, and C 
E) A, B, C, D, and E

Question 18

The atria receive the blood returning to the heart.

Accepted Answer

A) True 
 B)False

Question 19

The blood vessel that collects deoxygenated blood from the coronary circulation and delivers it to the right atrium is the

Accepted Answer

A) vena cava 
B) sigmoid sinus 
C) pulmonary sinus 
D) coronary sinus 
E) coronary artery 
A) vena cava 
B) sigmoid sinus 
C) pulmonary sinus 
D) coronary sinus 
E) coronary artery

Question 20

The scientific study of the heart and diseases associated with it is known as

Accepted Answer

A) pathology 
B) physiology 
C) hematology 
D) oncology 
E) cardiology 
A) pathology 
B) physiology 
C) hematology 
D) oncology 
E) cardiology

Exam 15: The Cardiovascular System: Heart

The average resting heart rate of a healthy adult human is

Oxygenated blood is delivered to the myocardium of the heart by the

The chordae tendineae and papillary muscles of the atrioventricular valves prevent the valve's cusp from pushing up into the atria during ventricular contraction.

Which of following conditions commonly causes pulmonary edema?

Which of the labeled structures in the diagram of the heart action potential conduction system is the bundle of His?

Silent myocardial ischemia is a reduced blood flow to the heart tissue without any pain or forewarning of heart problems.

Which of the following vessels carries blood with the highest concentration of oxygen under normal conditions?

In the diagram, where is the auricle of left atrium?

The three vessels that deliver blood to the right atrium include the

At a normal resting heart rate, each cardiac cycle lasts approximately

Closing of the AV valves produces the

Cardiac output is defined as the

Which of the following stimulates an increase in heart rate?

The left ventricle pumps blood directly into the

Which of the following layers of the pericardium is also referred to as the epicardium?

The step labeled 1 in the diagram of blood flow through the heart shows deoxygenated blood entering the right atrium through the

Which of the labeled structures in the diagram of the heart action potential conduction system consists of specialized cardiac muscle cells that spontaneously create action potentials at a set rate?

The atria receive the blood returning to the heart.

The blood vessel that collects deoxygenated blood from the coronary circulation and delivers it to the right atrium is the

The scientific study of the heart and diseases associated with it is known as

Organization of the Human Body

Introductory Chemistry

Cells

Tissues

The Integumentary System

The Skeletal System

Joints

The Muscular System

Nervous Tissue

Central Nervous System, Spinal Nerves, and Cranial Nerves

Autonomic Nervous System

Somatic Senses and Special Sense

The Endocrine System

The Cardiovascular System: Blood

The Cardiovascular System: Blood Vessels and Circulation

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Nutrition and Metabolism

The Urinary System

Fluid, Electrolyte, and Acid-Base Balance

The Reproductive Systems

Development and Inheritance

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