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WorksheetsGCSF2013 CARDIOVASCULAR SYSTEM QUIZ 1
Total questions: 25
Worksheet time: 50mins
Which of the following functions is associated with the blood?
Delivery of oxygen to tissue cells
Changing gene expression of target cells
Transport of neurotransmitters across synapses
Transport of digestive enzymes to the small intestine
he component of plasma that forms threadlike proteins during blood clotting is ______.
sodium.
globulin.
albumin.
fibrinogen.
When defective erythrocytes are broken down,
their iron is excreted into the small intestine.
they are removed from the blood by the lungs.
their heme groups are converted into amino acids.
bilirubin is formed from the breakdown of hemoglobin.
Which of the following cell types is incorrectly matched with its description?
Basophils – release histamine
Lymphocytes – become macrophages
Monocytes – largest of the white blood cells
Neutrophils – most numerous white blood cells
Platelets are continually produced in the red bone marrow by cells called _____________.
myelocytes
plasma cells
megakaryocytes
proerythroblasts
During platelet plug formation,
vitamin K production increases.
activated platelets release fibrinogen.
thrombin is released from endothelial cells.
platelets stick to the exposed collagen fibers of injured vessels.
Choose the arrangement that lists the chemicals in the order in which they would be used for coagulation.
(1) thrombin
(2) fibrinogen
(3) prothrombinase
(4) activated factor X
3, 2, 4, 1
3, 4, 1, 2
4, 3, 2, 1
4, 3, 1, 2
A person with type B blood
has antigen A.
has anti-A antibodies.
has anti-B antibodies.
will have a transfusion reaction if given type B blood.
The left side of the heart pumps blood through the __________ circulation, which delivers oxygen and nutrients to all the remaining tissues of the body.
fetal
systemic
coronary
pulmonary
We describe the heart as having left and right sides. Anatomically, the heart is tilted, and the left side of heart is located more __________, relative to the right side of the heart.
inferiorly
superiorly
posteriorly
to the right
The epicardium is also known as the
parietal peritoneum.
visceral peritoneum.
parietal pericardium.
visceral pericardium.
The wall of the __________ is much thicker than any other chamber in the heart, which allows for stronger contractions to pump blood through the systemic circulation.
left atrium
right atrium
left ventricle
right ventricle
The __________ valve is between the right atrium and right ventricle.
tricuspid valve
bicuspid valve
aortic semilunar
pulmonary semilunar
During __________, the AV valves are open, and blood flows from the atria into the ventricles.
the period of ejection
passive ventricular filling
the period of isovolumetric relaxation
the period of isovolumetric contraction
Which of the following does not occur during ventricular systole?
The ventricles contract.
The semilunar valves open.
The ventricles fill with blood.
The atrioventricular valves close.
In the heart, an action potential originates in the
sinoatrial node.
bundle branches.
atrioventricular node.
atrioventricular bundle.
Identify the correct sequence of an action potential travelling through the heart.
Sinoatrial node, atrioventricular node, atrioventricular bundle, bundle branches, Purkinje fibers
Atrioventricular bundle, atrioventricular node, sinoatrial node, bundle branches, Purkinje fibers
Atrioventricular node, sinoatrial node, atrioventricular bundle, bundle branches, Purkinje fibers
Purkinje fibers, atrioventricular bundle, atrioventricular node, sinoatrial node, bundle branches
Baroreceptors are located in the
aorta and carotid veins.
aorta and carotid arteries.
aorta and subclavian veins.
aorta and subclavian arteries.
When blood carbon dioxide levels increase,
blood pH decreases.
heart rate and stroke volume increase.
baroreceptors detect the change in the carotid arteries.
the cardioregulatory center decreases parasympathetic stimulation of the heart.
What is the order of the blood vessels that a red blood cell would pass through as the blood leaves the heart, travels to a tissue, and then returns to the heart?
Arteriole, artery, capillary, vein, venule
Capillary, arteriole, artery, vein, venule
Artery, arteriole, capillary, venule, vein
Vein, capillary, artery, arteriole, venule
The three major arteries of the upper limb that are continuous with one another include the __________.
brachial, radial, and ulnar arteries
brachial, axillary, and radial arteries
subclavian, axillary, and radial arteries
subclavian, axillary, and brachial arteries
Resistance in the cardiovascular system
is directly related to flow (↑ R → ↑ Flow).
tends to increase if blood viscosity increases.
tends to decrease as the diameter of blood vessels decreases.
dramatically increases blood flow through the circulatory system.
As veins become larger in diameter, their total cross-sectional area __________ and the velocity of blood flow __________.
increases; increases
increases; decreases
decreases; increases
decreases; decreases
If there is a rapid loss of blood volume: venous return to the heart would __________, preload would __________, and cardiac output would __________.
increase; increase; increase
decrease; increase; increase
increase; decrease; decrease
decrease; decrease; decrease
___________ equals the HR X SV.
Cardiac output
Vasomotor tone
Net filtration pressure
Mean arterial pressure
