3.2.2 Blood & Circulation 2 FMQuiz Homework Solution
Q. Name two common blood-grouping systems.
A. ABO and Rhesus
Q. Is the blood in the Aorta oxygenated or
deoxygenated?
A. Oxygenated
Q. The hepatic portal vein carries blood from the
alimentary canal to the …
A. Liver
Q. Give one reason why the wall of the left
ventricle is thicker than the wall of the right
ventricle.
A. Pumps blood further
Q. Name the structure in the heart that controls
the heartbeat.
A. Pacemaker
Q. What is blood plasma?
A. Blood without cells or Watery liquid part of
blood
Q. State a possible effect of smoking on the pulse
resting rate.
A. Raises rate
Q. The ABO blood group system has four blood
groups. What are these four groups?
A. A, B, AB, O
Q. Name the major blood vessels that carry blood
from the heart to the lungs.
A. Pulmonary arteries
Q. Suggest a reason why it is important to know a
person’s blood group.
A. When getting a transfusion or To avoid reaction
by mother to foetus
Q. Valves are present in veins. What is their
function?
A. To prevent back flow of blood
Q. Give a role for blood plasma.
A. Transports dissolved substances
Q. Name the major blood vessels that carry blood
from the lungs to the heart.
A. Pulmonary veins
Q. What is the function of blood platelets?
A. Blood clotting
Q. Which has the bigger lumen (cavity), an artery
or a vein?
A. Vein
Q. What structure(s) protects the heart?
A. Rib-cage
Q. The wall of capillaries is only one cell thick. How
is this related to their function?
A. Substances can diffuse easily into and out of
capillaries
Q. Why are valves not needed in arteries?
A. Blood is under pressure as it is pumped from
heart
Q. How does a portal vein differ from other veins?
A. Capillaries at both ends
Q. Name the upper chambers of the heart.
A. Atria or Auricle
Q. Name the valve between the upper and lower
chambers on the left-hand side.
A. Bicuspid (mitral) valve
Q. Where in the body are white blood cells
produced?
A. Bone marrow
Q. Name the blood vessels that carry blood from
the aorta to the kidneys.
A. Renal arteries
Q. Name the chamber of the heart that receives
blood back from the lungs.
A. Left atrium (auricle)
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