
Cardiology Midterm
Quiz
•
Biology
•
University
•
Practice Problem
•
Hard
Deeksha Lakhani
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32 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which of the following contains blood with the lowest oxygen contact?
a. aorta
e. systemic arterioles
b. left atrium
c. right ventricle
d. pulmonary veins
e. systemic arterioles
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
If other factors are equal, which of the following vessels have the lowest resistance?
length = l cm radius = 1 cm
length = 4 cm radius = 1 cm
length = 8 cm
radius = 1 cm
length = 1 cm
radius = 2 cm
length = 0.5 cm
radius = 2 cm
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which of the following correctly ranks pressure during isovolumetric contraction of a normal cardiac cycle?
left ventricular > aortic > left atrial
aortic > left atrial > left ventricular
left atrial > aortic > left ventricular
aortic > left ventricular > left atrial
left ventricular > left atrial > aortic
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Considered as a whole, the body's capillaries have
smaller cross-sectional area than the arteries
less total blood flow than in the veins
greater total resistance than the arterioles
slower blood velocity than in the arteries
greater total blood flow than in the arteries
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which of the following would not result in tissue edema?
an increase in the concentration of plasma proteins
an increase in the pore size of systemic capillaries
an increase in venous pressure
blockage of lymph vessels
a decrease in the protein concentration of the plasma
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which statement comparing the systemic and pulmonary circuits is true?
the blood flow is greater through the systemic
the blood flow is greater through the pulmonary
the absolute pressure is higher in the pulmonary
the blood flow is the same in both
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is mainly responsible for the delay between the atrial and ventricular contractions?
the shallow slope of AV node pacemaker potentials
slow action potential conduction velocity of AV node cells
slow action potential conduction velocity along atrial muscle cell membranes
slow action potential conduction velocity in the Purkinje network of the ventricles
greater sympathetic nerve firing to the ventricles to the atria
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