Question 1

-In this figure showing an oblique section of the heart,the pulmonary semilunar valve is number

Accepted Answer

A)  1.
B)  2.
C)  3.
D)  5.
E)  6.F) A) and E)
G) A) and C)

Question 2

In an EKG,the T wave denotes

Accepted Answer

A)  depolarization of the atria.
B)  depolarization of the right ventricle.
C)  repolarization of the ventricles.
D)  closure of the AV valves.
E)  depolarization of the left ventricle.F) None of the above
G) B) and E)

Question 3

Which may predispose one to inadequate coronary blood flow?

Accepted Answer

A)  Bradycardia
B)  Hypertension
C)  Angina pectoris
D)  Tachycardia
E)  None of these answers is correct.F) D) and E)
G) All of the above

Question 4

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,eF) A) and D)
G) None of the above

Question 5

Parasympathetic innervation of the heart occurs via

Accepted Answer

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

Question 6

The papillary muscles attach to the cusps of the atrioventricular valves by means of the

Accepted Answer

A)  pectinate muscles.
B)  trabeculae carneae.
C)  conus arteriosus.
D)  chordae tendineae.
E)  tricuspid valve.F) A) and B)
G) C) and D)

Question 7

The great cardiac vein runs alongside the

Accepted Answer

A)  anterior interventricular artery.
B)  posterior interventricular artery.
C)  right marginal artery.
D)  circumflex artery.
E)  coronary sinus.F) C) and D)
G) B) and E)

Question 8

Another name for the visceral layer of the serous pericardium is ________________.

Accepted Answer

The answer of Another name for the visceral layer of...

Question 9

The beginning of the cardiac cycle is when the

Accepted Answer

A)  atria fill with blood.
B)  ventricles fill with blood.
C)  atria contract.
D)  two semilunar valves close.
E)  ventricles contract.F) C) and E)
G) B) and C)

Question 10

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

Accepted Answer

A) True 
 B)False

Question 11

Which of the cardiovascular system's circuits has deoxygenated blood in its arteries?

Accepted Answer

A)  Pulmonary circuit
B)  Innards circuit
C)  Antithesis circuit
D)  Systemic circuit
E)  Vanguard circuitF) B) and C)
G) A) and E)

Question 12

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

Accepted Answer

The answer of The term used to describe the inadequate...

Question 13

Which valve prevents the backflow of blood into the left ventricle when the ventricles relax?

Accepted Answer

A)  Left atrioventricular valve
B)  Aortic semilunar valve
C)  Right atrioventricular valve
D)  Pulmonary semilunar valve
E)  None of these answers is correct.F) A) and E)
G) B) and C)

Question 14

The chordae tendineae are made out of

Accepted Answer

A)  collagen fibers.
B)  elastin fibers.
C)  hyaline cartilage.
D)  reticulin fibers.
E)  trabeculae carneae.F) A) and B)
G) A) and C)

Question 15

Typically,there are __________ papillary muscles that project from the wall of the left ventricle and attach to the chordae tendineae that support the left AV valve.

Accepted Answer

A)  three
B)  two
C)  a highly variable number of
D)  six
E)  noF) B) and E)
G) B) and C)

Question 16

Like the right atrium,the left atrium has pectinate muscles along its anterior wall.

Accepted Answer

A) True 
 B)False

Question 17

One example of cardiac arrhythmia is _________,in which a rapid,repetitious movement of the ventricular muscle replaces normal contractions.

Accepted Answer

A)  atrial fibrillation
B)  atrial flutter
C)  ventricular fibrillation
D)  premature ventricular contraction
E)  None of the choices is correct.F) C) and E)
G) A) and E)

Question 18

The _______________ cardiac vein travels alongside the right marginal artery.

Accepted Answer

The answer of The _______________ cardiac vein travels alongside the...

Question 19

Though the autonomic innervation by autonomic centers in the brainstem cannot initiate a heartbeat,it can increase or decrease the heart rate.

Accepted Answer

A) True 
 B)False

Question 20

The arteries and veins that leave and enter the heart are called the great vessels because

Accepted Answer

A)  they are associated with the heart directly.
B)  they carry the most highly oxygenated blood.
C)  they are longer than any other blood vessels in the body.
D)  they have relatively large diameters.
E)  Both types have the highest blood pressure in the body.F) B) and C)
G) A) and D)

Exam 22: Heart

The arteries and veins that leave and enter the heart are called the great vessels because

Correct AnswerverifiedShow Answer

Which may predispose one to inadequate coronary blood flow?

Correct AnswerverifiedShow Answer

-In this figure showing an oblique section of the heart,the pulmonary semilunar valve is number

Correct AnswerverifiedShow Answer

Which of the cardiovascular system's circuits has deoxygenated blood in its arteries?

Correct AnswerverifiedShow Answer

The chordae tendineae are made out of

Correct AnswerverifiedShow Answer

The _______________ cardiac vein travels alongside the right marginal artery.

Correct AnswerverifiedShow Answer

In an EKG,the T wave denotes

Correct AnswerverifiedShow Answer

The beginning of the cardiac cycle is when the

Correct AnswerverifiedShow Answer

Which valve prevents the backflow of blood into the left ventricle when the ventricles relax?

Correct AnswerverifiedShow Answer

Typically,there are __________ papillary muscles that project from the wall of the left ventricle and attach to the chordae tendineae that support the left AV valve.

Correct AnswerverifiedShow Answer

The great cardiac vein runs alongside the

Correct AnswerverifiedShow Answer

Parasympathetic innervation of the heart occurs via

Correct AnswerverifiedShow Answer

The papillary muscles attach to the cusps of the atrioventricular valves by means of the

Correct AnswerverifiedShow Answer

Another name for the visceral layer of the serous pericardium is ________________.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Like the right atrium,the left atrium has pectinate muscles along its anterior wall.

Correct AnswerverifiedShow Answer

Though the autonomic innervation by autonomic centers in the brainstem cannot initiate a heartbeat,it can increase or decrease the heart rate.

Correct AnswerverifiedShow Answer

One example of cardiac arrhythmia is _________,in which a rapid,repetitious movement of the ventricular muscle replaces normal contractions.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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