Question 1

When the SA node is not working correctly, the heart has a backup pacemaker called the ____________________ .

Accepted Answer

A)   coronary sulcus
B)   chorda tendinea
C)   atrioventricular (AV)  node
D)   His-Purkinje systemE) B) and D)
F) B) and C)

Question 2

What do intercalated discs allow?

Accepted Answer

A)   Cardiac muscle to create synchronized contractions.
B)   Blood to fill the right and left atria.
C)   Nutrients to be released into the blood.
D)   Blood to be pumped into the lungs.E) A) and B)
F) B) and D)

Question 3

What valve, when closed, holds blood in the right ventricle until a contraction opens the valve and allows the blood to be pumped into the lungs?

Accepted Answer

A)   Pulmonic
B)   Bicuspid
C)   Tricuspid
D)   MitralE) B) and C)
F) All of the above

Question 4

When all four heart valves are operating correctly, the valves should open and close completely once each ______________.

Accepted Answer

A)   contraction
B)   cardiac cycle
C)   dilation
D)   normal cell cycleE) B) and D)
F) B) and C)

Question 5

A major vein located within the heart that begins along the anterior ventricles in the apex of the heart is known as the _________________ vein.

Accepted Answer

A)   coronary sulcus
B)   superior vena cava
C)   great coronary
D)   inferior vena cavaE) A) and B)
F) A) and D)

Question 6

The heart is surrounded by a protective fibrous membrane called the__________.

Accepted Answer

A)   epicardium
B)   myocardium
C)   endocardium
D)   pericardiumE) A) and B)
F) All of the above

Question 7

The process of creating an electrical impulse can only occur in what type of cells?

Accepted Answer

A)   Endothelial
B)   Smooth muscle
C)   Cardiac stem
D)   PacemakerE) None of the above
F) A) and B)

Question 8

What artery carries deoxygenated blood to the lungs from the right ventricle?

Accepted Answer

A)   Pulmonary
B)   Ascending aorta
C)   Right coronary
D)   Aortic archE) C) and D)
F) A) and D) A

Question 9

Veins carry what type of blood back to the heart so the cycle can repeat?

Accepted Answer

A)   Deoxygenated
B)   Nutrient enriched
C)   Oxygenated
D)   IncomingE) None of the above
F) All of the above A

Question 10

Which of the following represents the blood flow between the heart and the lungs?

Accepted Answer

A)   Vasodilatation
B)   Pulmonary circulation
C)   Systemic circulation
D)   Cardiac outputE) A) and B)
F) A) and C)

Question 11

What is total peripheral resistance (TPR)  determined by?

Accepted Answer

A)   Electrical stimulation
B)   Systemic circulation
C)   Blood flow between the heart and the lungs
D)   Pulmonary circulationE) A) and D)
F) A) and C)

Question 12

Cardio myocytes consist of cardiac working cells responsible for ___________.

Accepted Answer

A)   pulmonary circulation
B)   changing the diameter of the blood vessels
C)   electrical impulses
D)   contractionsE) B) and C)
F) None of the above

Question 13

Which of the following plays the important role of exchanging oxygen and nutrients or waste for the other vessels to transport?

Accepted Answer

A)   Arteries
B)   Venules
C)   Arterioles
D)   CapillariesE) A) and B)
F) A) and C)

Question 14

Which of the following cells provide protection from microbial invasions, selective absorption, and transcellular transportation?

Accepted Answer

A)   Endothelial
B)   Epithelial
C)   Smooth muscle
D)   PacemakerE) A) and D)
F) B) and C) B

Question 15

Which of the following means a formation that is platelike or consisting of scales?

Accepted Answer

A)   Sulcus
B)   Squama
C)   Epi
D)   EndoE) All of the above
F) A) and D)

Question 16

What muscular membrane separates the heart chambers medially into right and left sides?

Accepted Answer

A)   Chorda tendinea
B)   Ventricular wall
C)   Septum
D)   Coronary sulcusE) A) and D)
F) B) and D)

Question 17

Within the heart, what type of muscles hold the tricuspid and mitral valves in place along the ventricle walls?

Accepted Answer

A)   Thick
B)   Papillary
C)   Voluntary
D)   UnstraitedE) All of the above
F) C) and D)

Question 18

The process of creating a(n) ____________can only occur in the pacemaker cells that are found in specific regions of the heart.

Accepted Answer

A)   regulated arterial pressure
B)   change blood pressure
C)   synchronized contraction
D)   electrical impulseE) A) and B)
F) C) and D)

Question 19

What type of circulation is blood flow to the entire body except the lungs?

Accepted Answer

A)   Vasoconstricted
B)   Systemic
C)   Vasodilated
D)   PulmonaryE) A) and C)
F) A) and B)

Question 20

The largest part of the human heart is composed of four hollow cavities referred to as the _______________________.

Accepted Answer

A)   coronary sulcus
B)   two sided pump
C)   heart chambers
D)   heart's pacemakerE) None of the above
F) All of the above

Exam 1: Anatomy of the Heart

When the SA node is not working correctly, the heart has a backup pacemaker called the ____________________ .

Correct AnswerverifiedShow Answer

What do intercalated discs allow?

Correct AnswerverifiedShow Answer

What valve, when closed, holds blood in the right ventricle until a contraction opens the valve and allows the blood to be pumped into the lungs?

Correct AnswerverifiedShow Answer

When all four heart valves are operating correctly, the valves should open and close completely once each ______________.

Correct AnswerverifiedShow Answer

A major vein located within the heart that begins along the anterior ventricles in the apex of the heart is known as the _________________ vein.

Correct AnswerverifiedShow Answer

The heart is surrounded by a protective fibrous membrane called the__________.

Correct AnswerverifiedShow Answer

The process of creating an electrical impulse can only occur in what type of cells?

Correct AnswerverifiedShow Answer

What artery carries deoxygenated blood to the lungs from the right ventricle?

Correct AnswerverifiedA

Veins carry what type of blood back to the heart so the cycle can repeat?

Correct AnswerverifiedA

Which of the following represents the blood flow between the heart and the lungs?

Correct AnswerverifiedShow Answer

What is total peripheral resistance (TPR) determined by?

Correct AnswerverifiedShow Answer

Cardio myocytes consist of cardiac working cells responsible for ___________.

Correct AnswerverifiedShow Answer

Which of the following plays the important role of exchanging oxygen and nutrients or waste for the other vessels to transport?

Correct AnswerverifiedShow Answer

Which of the following cells provide protection from microbial invasions, selective absorption, and transcellular transportation?

Correct AnswerverifiedB

Which of the following means a formation that is platelike or consisting of scales?

Correct AnswerverifiedShow Answer

What muscular membrane separates the heart chambers medially into right and left sides?

Correct AnswerverifiedShow Answer

Within the heart, what type of muscles hold the tricuspid and mitral valves in place along the ventricle walls?

Correct AnswerverifiedShow Answer

The process of creating a(n) ____________can only occur in the pacemaker cells that are found in specific regions of the heart.

Correct AnswerverifiedShow Answer

What type of circulation is blood flow to the entire body except the lungs?

Correct AnswerverifiedShow Answer

The largest part of the human heart is composed of four hollow cavities referred to as the _______________________.

Correct AnswerverifiedShow Answer

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