quiz 8 Flashcards
The right ventricle pumps blood to the
Pulmonary artery
What is the name of the condition caused by a diet that is deficient in iron?
anemia
What is the average lifespan of a red blood cell in the human body?
120 days
The aorta receives blood from the
left ventricle
Which layer of the heart allows it to act as a pump?
myocardium
Bilirubin is a breakdown product of
redblood cells
Hemolysis causes
hyperbilirubinemia
Which of the following causes granulocytopenia?
myelosuppression
Which of the following best describes the function of the pulmonary artery?
It carries unoxygenated blood to the pulmonary capillaries, where gas exchange occurs.
Which of the following defines a nodal rhythm?
Question 10Answer
a.
Sinus rhythm is normal.
b.
The ventricular myocardium is fibrillating.
c.
The electrical signal arises within the AV node.
d.
The electrical signal arises within the SA node.
The electrical signal arises within the AV node.
Which of the following is an oxygen-carrying blood cell?
Question 11Answer
a.
Granulocyte
b.
Erythrocyte
c.
Eosinophil
d.
Thrombocyte
erythocyte
Blood flows from the right atrium through which atrioventricular valve to the right ventricle?
Question 12Answer
a.
Mitral
b.
Tricuspid
c.
Bicuspid
d.
Pulmonic
tricuspid
The purpose of the right heart is to pump blood
Question 13Answer
a.
into the aorta.
b.
to the lungs for oxygenation.
c.
to the systemic circulation.
d.
into the coronary arteries
to the lungs for ocygenation
Erythropoietin
Question 14Answer
a.
is secreted by the kidneys.
b.
stimulates the bone marrow to produce RBCs.
c.
is released in response to hypoxemia.
d.
All of the above are true.
all of the above are true
Which of the following receives oxygenated blood?
Question 15Answer
a.
Venae cavae
b.
Pulmonary veins
c.
Pulmonic valve
d.
Right atrium
pulmonary veins
Which is true of the semilunar valves?
Question 16Answer
a.
They have chordae tendineae attached to their cusps.
b.
They are both located in the left heart.
c.
They prevent the backflow of blood from the aorta and pulmonary artery into their respective ventricles.
d.
They are entrance valves.
They prevent the backflow of blood from the aorta and pulmonary artery into their respective ventricles.
What is the hardest working cardiac chamber and therefore has the thickest myocardium?
Question 17Answer
a.
Right ventricle
b.
Right atrium
c.
Left atrium
d.
Left ventricle
left ventricle
Which of the following structures receives unoxygenated blood?
Question 18Answer
a.
Pulmonary veins
b.
Left ventricle
c.
Pulmonary artery
d.
Aorta
pulmonary artery
At the end of 120 days, the red blood cell
Question 19Answer
a.
becomes known as a reticulocyte.
b.
is converted to fibrin.
c.
becomes known as a “poly.”
d.
is removed from the circulation and broken down.
is removed from the circulation and broken down
The pacemaker of the heart is located in the upper wall of the
Question 20Answer
a.
right ventricle.
b.
right atrium.
c.
left atrium.
d.
left ventricle.
Feedback
The correct answer is: right atrium.
right atrium
Which of the following terms refers to the circulation of blood between the heart and the lungs?
Question 21Answer
a.
Systemic circulation
b.
Major circulation
c.
Coronary circulation
d.
Pulmonary circulation
pulmonary circulation
Which cavity first receives unoxygenated blood from the vena cava?
Question 22Answer
a.
Left ventricle
b.
Right atrium
c.
Left atrium
d.
Right ventricle
right atrium
Rapid breakdown of which blood cell causes jaundice?
Question 23Answer
a.
Platelet
b.
Lymphocyte
c.
Red blood cell
d.
Granulocyte
rbc
Which of the following supplies oxygenated blood to the heart muscle?
Question 24Answer
a.
Coronary arteries
b.
Pulmonary veins
c.
Pulmonary artery
d.
Cardiac veins
coronary arteries
