Question 1

Parasympathetic innervation of the heart occurs via

Accepted Answer

A) CN IV. 
B) CN VI. 
C) CN VIII. 
D) CN X. 
E) CN XII. 
A) CN IV. 
B) CN VI. 
C) CN VIII. 
D) CN X. 
E) CN XII. D

Question 2

The right and left coronary arteries are the only branches of the ascending aorta.

Accepted Answer

A) True 
 B)False  True

Question 3

The term used to describe the inadequate blood flow to a structure caused by obstruction of the blood supply is _________________.

Accepted Answer

ischemia

Question 4

Because of the constant inflow of blood,the atria are thick-walled and located inferiorly in the heart.

Accepted Answer

A) True 
 B)False

Question 5

About seventy percent of the ventricle filling is achieved passively without the contraction of the atria.

Accepted Answer

A) True 
 B)False

Question 6

The atria are separated from the ventricles externally by the

Accepted Answer

A) anterior interventricular sulcus. 
B) posterior interventricular sulcus. 
C) sinoventricular sulcus. 
D) coronary sulcus. 
A) anterior interventricular sulcus. 
B) posterior interventricular sulcus. 
C) sinoventricular sulcus. 
D) coronary sulcus.

Question 7

Which does not drain into the coronary sinus?

Accepted Answer

A) Great cardiac vein 
B) Small cardiac vein 
C) Anterior interventricular vein 
D) Middle cardiac vein 
E) No exceptions; all choices drain into the coronary sinus. 
A) Great cardiac vein 
B) Small cardiac vein 
C) Anterior interventricular vein 
D) Middle cardiac vein 
E) No exceptions; all choices drain into the coronary sinus.

Question 8

During a cardiac cycle,how many of the four chambers contract at any one time?

Accepted Answer

A) 1 
B) 2 
C) 4 
D) Highly variable,depending on the heart beat rate 
E) None of these answers is correct. 
A) 1 
B) 2 
C) 4 
D) Highly variable,depending on the heart beat rate 
E) None of these answers is correct.

Question 9

The right border of the heart is supplied by the

Accepted Answer

A) circumflex artery. 
B) posterior interventricular artery. 
C) anterior interventricular artery. 
D) right marginal artery. 
E) great cardiac vein. 
A) circumflex artery. 
B) posterior interventricular artery. 
C) anterior interventricular artery. 
D) right marginal artery. 
E) great cardiac vein.

Question 10

The connections shared by arteries that allow them to shunt blood from one artery to another are called _________________.

Accepted Answer

The answer of The connections shared by arteries that allow...

Question 11

The property that allows the heart to initiate each heartbeat itself is called __________________.

Accepted Answer

The answer of The property that allows the heart to...

Question 12

The sequence of events in the transmission of an impulse through the heart muscle is 
A: AV node
B: AV bundle
C: SA node
D: through the atria
E: through the ventricles
F: bundle branches
G: Purkinje fibers

Accepted Answer

A) c,d,a,b,f,g,e 
B) d,b,a,c,f,g,e 
C) b,a,d,c,f,g,e 
D) f,g,d,c,b,a,e 
E) c,d,a,f,b,g,e 
A) c,d,a,b,f,g,e 
B) d,b,a,c,f,g,e 
C) b,a,d,c,f,g,e 
D) f,g,d,c,b,a,e 
E) c,d,a,f,b,g,e

Question 13

The inferior,conical end of the heart is called the _______________.

Accepted Answer

The answer of The inferior,conical end of the heart is...

Question 14

The middle layer of the heart wall that is made of cardiac muscle tissue is the ________________.

Accepted Answer

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

Question 15

The serous fluid within the pericardial cavity works to

Accepted Answer

A) lubricate the membranes of the serous pericardium. 
B) slow the heart rate. 
C) equalize the pressure in the great vessels. 
D) eliminate blood pressure spikes. 
A) lubricate the membranes of the serous pericardium. 
B) slow the heart rate. 
C) equalize the pressure in the great vessels. 
D) eliminate blood pressure spikes.

Question 16

Most coronary blood flow occurs during ventricular ________________.

Accepted Answer

The answer of Most coronary blood flow occurs during ventricular...

Question 17

The left atrium and left ventricle are part of which circuit of the cardiovascular system?

Accepted Answer

A) Pulmonary circuit 
B) Systemic circuit 
A) Pulmonary circuit 
B) Systemic circuit

Question 18

In an EKG,the P wave is generated when the

Accepted Answer

A) ventricles depolarize. 
B) atria depolarize. 
C) atria repolarize. 
D) ventricles repolarize. 
E) SA node initiates an impulse. 
A) ventricles depolarize. 
B) atria depolarize. 
C) atria repolarize. 
D) ventricles repolarize. 
E) SA node initiates an impulse.

Question 19

All of the heart's sulci house blood vessels that supply the myocardium.

Accepted Answer

A) True 
 B)False

Question 20

It is during weeks 5-8 that the single heart tube of the embryo becomes partitioned into four chambers and the main vessels that leave and enter the heart form.

Accepted Answer

A) True 
 B)False

Exam 22: Heart

Parasympathetic innervation of the heart occurs via

The right and left coronary arteries are the only branches of the ascending aorta.

The term used to describe the inadequate blood flow to a structure caused by obstruction of the blood supply is _________________.

Because of the constant inflow of blood,the atria are thick-walled and located inferiorly in the heart.

About seventy percent of the ventricle filling is achieved passively without the contraction of the atria.

The atria are separated from the ventricles externally by the

Which does not drain into the coronary sinus?

During a cardiac cycle,how many of the four chambers contract at any one time?

The right border of the heart is supplied by the

The connections shared by arteries that allow them to shunt blood from one artery to another are called _________________.

The property that allows the heart to initiate each heartbeat itself is called __________________.

The sequence of events in the transmission of an impulse through the heart muscle is A: AV node B: AV bundle C: SA node D: through the atria E: through the ventricles F: bundle branches G: Purkinje fibers

The inferior,conical end of the heart is called the _______________.

The middle layer of the heart wall that is made of cardiac muscle tissue is the ________________.

The serous fluid within the pericardial cavity works to

Most coronary blood flow occurs during ventricular ________________.

The left atrium and left ventricle are part of which circuit of the cardiovascular system?

In an EKG,the P wave is generated when the

All of the heart's sulci house blood vessels that supply the myocardium.

It is during weeks 5-8 that the single heart tube of the embryo becomes partitioned into four chambers and the main vessels that leave and enter the heart form.

A First Look at Anatomy

The Celt Basic Unit of Structure and Function

Embryology

Tissue Level of Organization

Integumentary System

Cartilage and Bone

Axial Skeleton

Appendicular Skeleton

Articulations

Muscle Tissue and Organization

Axial Muscles

Appendicular Muscles

Surface Anatomy

Nervous Tissue

Brain and Cranial Nerves

Spinal Cord and Spinal Nerves

Pathways and Integrative Functions

Autonomic Nervous System

Senses: General and Special

Endocrine System

Blood

Vessels and Circulation

Lymphatic System

Respiratory System

Digestive System

Urinary System

Reproductive System

Filters