Question 1

The carotid and aortic sinuses contain ____________________ to detect changes in ____________________.

Accepted Answer

pressoreceptors, blood pressure
pressoreceptors blood pressure

Question 2

The normal range of resting heart rate for a near-term fetus is:

Accepted Answer

A) 60-80 bpm 
B) 70-90 bpm 
C) 80-90 bpm 
D) 100-140 bpm 
A) 60-80 bpm 
B) 70-90 bpm 
C) 80-90 bpm 
D) 100-140 bpm D

Question 3

The function of the endocardium is to:

Accepted Answer

A) pump blood 
B) prevent friction 
C) prevent abnormal clotting 
D) prevent excessive contraction 
A) pump blood 
B) prevent friction 
C) prevent abnormal clotting 
D) prevent excessive contraction C

Question 4

The ventricle with the thicker walls is the ____ ventricle, because it pumps blood to the ____.

Accepted Answer

A) right/lungs 
B) left/body 
C) right/body 
D) left/lungs 
A) right/lungs 
B) left/body 
C) right/body 
D) left/lungs

Question 5

The cardiac reserve is the:

Accepted Answer

A) ability of the heart to speed up when necessary 
B) ability of the heart to pump more forcefully 
C) difference between resting heart rate and maximum exercise heart rate 
D) difference between resting cardiac output and maximum exercise cardiac output 
A) ability of the heart to speed up when necessary 
B) ability of the heart to pump more forcefully 
C) difference between resting heart rate and maximum exercise heart rate 
D) difference between resting cardiac output and maximum exercise cardiac output

Question 6

The term for contraction of the chambers of the heart is ____________________.

Accepted Answer

The answer of The term for contraction of the chambers...

Question 7

The normal range of resting heart rate for a healthy adult is:

Accepted Answer

A) 50-70 bpm 
B) 60-80 bpm 
C) 90-100 bpm 
D) 80-110 bpm 
A) 50-70 bpm 
B) 60-80 bpm 
C) 90-100 bpm 
D) 80-110 bpm

Question 8

The layer of the heart wall that pumps blood is the ____________________.

Accepted Answer

The answer of The layer of the heart wall that...

Question 9

Chemoreceptors that detect changes in blood oxygen levels are located in the:

Accepted Answer

A) aortic and carotid bodies 
B) carotid and basal bodies 
C) basal and ventricular bodies 
D) ventricular and aortic bodies 
A) aortic and carotid bodies 
B) carotid and basal bodies 
C) basal and ventricular bodies 
D) ventricular and aortic bodies

Question 10

The area in the ____ cavity in which the heart is located is called the ____.

Accepted Answer

A) thoracic/mediastinum 
B) dorsal/pericardial space 
C) thoracic/pericardial space 
D) dorsal/mediastinum 
A) thoracic/mediastinum 
B) dorsal/pericardial space 
C) thoracic/pericardial space 
D) dorsal/mediastinum

Question 11

The visceral pericardium is also called the ____________________.

Accepted Answer

The answer of The visceral pericardium is also called the...

Question 12

The outer layer of the pericardial membranes is the:

Accepted Answer

A) parietal pericardium 
B) fibrous pericardium 
C) endocardium 
D) visceral pericardium 
A) parietal pericardium 
B) fibrous pericardium 
C) endocardium 
D) visceral pericardium

Question 13

The term systole means ____________________ of the heart chambers.

Accepted Answer

The answer of The term systole means ____________________ of the...

Question 14

Which statement is NOT true of the ventricles of the heart?

Accepted Answer

A) The septum between them is made of myocardium. 
B) They are the lower chambers. 
C) The right ventricle pumps blood to the lungs. 
D) The left ventricle has thin walls because the blood it pumps is only going to the body. 
A) The septum between them is made of myocardium. 
B) They are the lower chambers. 
C) The right ventricle pumps blood to the lungs. 
D) The left ventricle has thin walls because the blood it pumps is only going to the body.

Question 15

An athlete has a resting cardiac output of 4750 mL. What are the pulse and stroke volume?

Accepted Answer

A) 46 bpm and 98 mL 
B) 52 bpm and 100 mL 
C) 48 bpm and 105 mL 
D) 50 bpm and 95 mL 
A) 46 bpm and 98 mL 
B) 52 bpm and 100 mL 
C) 48 bpm and 105 mL 
D) 50 bpm and 95 mL

Question 16

If cardiac output is 6000 mL and stroke volume is 75 mL, then pulse is ____________________.

Accepted Answer

The answer of If cardiac output is 6000 mL and...

Question 17

Impulses carried by sympathetic nerves to the heart will ____________________ the heart rate.

Accepted Answer

The answer of Impulses carried by sympathetic nerves to the...

Question 18

The function of atrial natriuretic peptide (ANP) is to:

Accepted Answer

A) lower blood volume to lower blood pressure 
B) lower blood volume to raise blood pressure 
C) increase blood volume to raise blood pressure 
D) increase blood volume to lower blood pressure 
A) lower blood volume to lower blood pressure 
B) lower blood volume to raise blood pressure 
C) increase blood volume to raise blood pressure 
D) increase blood volume to lower blood pressure

Question 19

The term for contraction of chambers of the heart is:

Accepted Answer

A) blood pressure 
B) systole 
C) diastole 
D) hypertension 
A) blood pressure 
B) systole 
C) diastole 
D) hypertension

Question 20

Which statement is NOT true of the valves of the heart?

Accepted Answer

A) The mitral valve prevents backflow of blood from the left atrium to the left ventricle. 
B) The aortic semilunar valve prevents backflow of blood to the left ventricle when the ventricle relaxes. 
C) The tricuspid valve prevents backflow of blood from the right ventricle to the right atrium. 
D) The pulmonary semilunar valve prevents backflow of blood from the pulmonary artery to the right ventricle. 
A) The mitral valve prevents backflow of blood from the left atrium to the left ventricle. 
B) The aortic semilunar valve prevents backflow of blood to the left ventricle when the ventricle relaxes. 
C) The tricuspid valve prevents backflow of blood from the right ventricle to the right atrium. 
D) The pulmonary semilunar valve prevents backflow of blood from the pulmonary artery to the right ventricle.

Exam 12: The Heart

The carotid and aortic sinuses contain ____________________ to detect changes in ____________________.

The normal range of resting heart rate for a near-term fetus is:

The function of the endocardium is to:

The ventricle with the thicker walls is the ____ ventricle, because it pumps blood to the ____.

The cardiac reserve is the:

The term for contraction of the chambers of the heart is ____________________.

The normal range of resting heart rate for a healthy adult is:

The layer of the heart wall that pumps blood is the ____________________.

Chemoreceptors that detect changes in blood oxygen levels are located in the:

The area in the ____ cavity in which the heart is located is called the ____.

The visceral pericardium is also called the ____________________.

The outer layer of the pericardial membranes is the:

The term systole means ____________________ of the heart chambers.

Which statement is NOT true of the ventricles of the heart?

An athlete has a resting cardiac output of 4750 mL. What are the pulse and stroke volume?

If cardiac output is 6000 mL and stroke volume is 75 mL, then pulse is ____________________.

Impulses carried by sympathetic nerves to the heart will ____________________ the heart rate.

The function of atrial natriuretic peptide (ANP) is to:

The term for contraction of chambers of the heart is:

Which statement is NOT true of the valves of the heart?

Organization and General Plan of the Body

Some Basic Chemistry

Cells

Tissues and Membranes

The Integumentary System

The Skeletal System

The Muscular System

The Nervous System

The Senses

The Endocrine System

Blood

The Vascular System

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Body Temperature and Metabolism

The Urinary System

Fluidelectrolyte and Acidbase Balance

The Reproductive Systems

Human Development and Genetics

An Introduction to Microbiology and Human Disease

Filters

The carotid and aortic sinuses contain to detect changes in .

The ventricle with the thicker walls is the ventricle, because it pumps blood to the .

The area in the cavity in which the heart is located is called the .