BSC2086 Lab Exam Questions and Answers with Verified Solutions
| Latest Update
QUESTION
What heart valve controls the flow of blood between the left atrium and the left ventricle?
Answer:
Mitral valve
QUESTION
What is the name of the great vessel that supplies blood to the right atrium?
Answer:
Superior and inferior vena cavae
QUESTION
How does the myocardium receive its blood supply?
Answer:
It receives its blood through the right and left coronary arteries
QUESTION
The cardiac cycle is:
Answer:
The sequence of events that make up a heartbeat
QUESTION
The myocardium of the heart wall is made of specialized muscle that spontaneously depolarizes
to cause contraction.
Answer:
True
, QUESTION
The heart pushes oxygenated blood to the lungs and de-oxygenated blood around the entire body.
Answer:
False
QUESTION
The heart muscle itself, which varies in thickness depending on its location, being thin in the atria
and thick in the ventricles.
Answer:
Myocardium
QUESTION
The pulmonary valve is located between the atria and the ventricles and prevent the blood in the
ventricles from flowing back into the atria.
Answer:
False
QUESTION
The vessels that carry blood away from the heart are:
Answer:
Arteries
QUESTION
What is the purpose of the valves in veins?
Answer:
Prevent the backflow of blood
QUESTION
............. returns venous blood to the heart via the liver
Answer:
Portal circulation
QUESTION
Each blood vessel is composed of three layers of tissue, from superficial to deep they are:
1. Tunica intima; 2. Tunica externa; 3. Tunica media
Answer:
2, 3, 1
| Latest Update
QUESTION
What heart valve controls the flow of blood between the left atrium and the left ventricle?
Answer:
Mitral valve
QUESTION
What is the name of the great vessel that supplies blood to the right atrium?
Answer:
Superior and inferior vena cavae
QUESTION
How does the myocardium receive its blood supply?
Answer:
It receives its blood through the right and left coronary arteries
QUESTION
The cardiac cycle is:
Answer:
The sequence of events that make up a heartbeat
QUESTION
The myocardium of the heart wall is made of specialized muscle that spontaneously depolarizes
to cause contraction.
Answer:
True
, QUESTION
The heart pushes oxygenated blood to the lungs and de-oxygenated blood around the entire body.
Answer:
False
QUESTION
The heart muscle itself, which varies in thickness depending on its location, being thin in the atria
and thick in the ventricles.
Answer:
Myocardium
QUESTION
The pulmonary valve is located between the atria and the ventricles and prevent the blood in the
ventricles from flowing back into the atria.
Answer:
False
QUESTION
The vessels that carry blood away from the heart are:
Answer:
Arteries
QUESTION
What is the purpose of the valves in veins?
Answer:
Prevent the backflow of blood
QUESTION
............. returns venous blood to the heart via the liver
Answer:
Portal circulation
QUESTION
Each blood vessel is composed of three layers of tissue, from superficial to deep they are:
1. Tunica intima; 2. Tunica externa; 3. Tunica media
Answer:
2, 3, 1
