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WorksheetsCardiovascular System Test
Total questions: 40
Worksheet time: 25mins
Which of the following is the function of the cardiovascular system?
regulating body temperature and fluid volume
preventing infection
transporting hormones and wastes
all of these are functions of the cardiovascular system
All of the following are formed elements of the blood except:
plasma
erythrocytes
thrombocytes
leukocytes
Which of the following components of blood makes up the smallest percentage by volume?
plasma
erythrocytes
leukocytes & thrombocytes
An erythrocyte is more commonly known as
a white blood cell
a red blood cell
a platelet
hemoglobin
Blood plasma is mostly made of
water
granules
oxygen
hemoglobin
The process of hemostasis is completed by which type of cells?
white blood cells
red blood cells
platelets
plasmas
Which of the following is NOT true of hematopoiesis?
It occurs in the red bone marrow of adults.
It begins with a monocyte.
It is stimulated by epinephrine.
It causes the differentiation of all types of blood cells.
The hormone that stimulates platelet formation is
erythropoietin
interleukin
thrombopoietin
Which of the following is the first step of hemostasis:
A fibrin mesh is formed
The blood vessel contracts
Platelets are activated
An individual with B+ blood would have what on their erythrocytes?
B antigens & no Rh antigens
B antibodies & no Rh antigens
B antigens & Rh antigens
B antibodies & Rh antigens
A person with Type A blood needs a blood transfusion. Which blood types are safe to provide to her?
A blood only
A and O blood
B and O blood
O blood only
Which is a possible genotype for an individual with B blood?
IAi
IBIB
ii
IB
The pericardium around the heart is responsible for
opening and closing the heart valves
creating the heart beat
reducing friction around the heart
bringing oxygen in from the lungs
The real work of the heart contractions is done by which layer?
epicardium
pericardium
endocardium
myocardium
The human cardiovascular system has two loops. Which loop takes blood from the heart to the body tissues and back?
pulmonary loop
coronary loop
systemic loop
systolic loop
Which type of blood vessel contains blood at the highest pressure?
veins
arteries
capillaries
shunts
Blood passes from the legs into the ____________ vena cava and then into the _____________.
inferior, right atrium
inferior, left atrium
superior, right atrium
superior, left atrium
The major blood vessel that carries oxygenated blood away from the heart is the
vena cava.
aorta.
pulmonary artery.
pulmonary vein.
An embolus is a free-floating clot while a thrombus is attached.
True
False
Which of the following is the correct sequence for the intrinsic conduction system?
SA node → AV node → AV bundles → Purkinje fibers → bundle branches
AV node → AV bundles → SA node → bundle branches → Purkinje fibers
AV node → AV bundles → Purkinje fibers → bundle branches → SA node
SA node → AV node → AV bundles → bundle branches → Purkinje fibers
Which of the following chambers of the heart are involved in the “ejection phase” of the cardiac cycle?
right atrium and left atrium
right ventricle and left ventricle
right atrium and right ventricle
left atrium and left ventricle
Which is the correct formula for calculating cardiac output?
cardiac output = stroke volume + heart rate
cardiac output = stroke volume – heart rate
cardiac output = stroke volume x heart rate
cardiac output = stroke volume/heart rate
Three tissue layers are found in:
the arteries
the veins
the arteries and veins
the capillaries
After eating a meal, your hands and feet feel cold because blood is being directed to your stomach. How does this occur?
The capillary sphincters restrict blood flow from the shunt to the true capillaries.
The shunt restricts blood flow from the capillary sphincters to the true capillaries.
The capillary sphincters restrict blood flow from the true capillaries to the shunt.
The shunt restricts blood flow from the true capillaries to the capillary sphincters.
Match the following structure to the correct description.
Also called the cardiac pacemaker
Sinoatrial Node
Externally covers an atrium
Auricle
Caused by dropping blood oxygen levels
Negative Feedback Loop
The contraction portion of the cardiac cycle
Systole
The relaxation portion of the cardiac cycle
Diastole
Match the following structure to the correct description.
Prevents back flow of blood
Valves
Divides the deoxygenated blood and oxygenated blood
Septum
Agranulocyte with a nucleus that is kidney bean shaped
Monocyte
Agranulocyte with large and spherical nucleus that can divide into T-Cells or B-Cells
Lymphocyte
Based on the prefixes and suffixes you've learned, provide a probable definition for the following word: 1) bacteriostasis
The inhibition of the growth of bacteria without killing them
The complete destruction of bacteria
The multiplication of bacteria
The transformation of bacteria into viruses
Based on the prefixes and suffixes you've learned, provide a probable definition for the following word: 2) erythropenia
A deficiency of red blood cells
An excess of white blood cells
A condition of high blood pressure
A decrease in blood platelets
Two ways in which the structure of an erythrocyte complements its function are:
It is biconcave and lacks a nucleus, allowing efficient gas exchange and flexibility.
It has a thick cell wall and contains chloroplasts for photosynthesis.
It is elongated and contains large vacuoles for water storage.
It has cilia and produces mucus for trapping dust particles.
The structure of a hemoglobin protein consists of:
Four polypeptide chains, each with a heme group
Two polypeptide chains and one heme group
A single polypeptide chain with no heme group
Three polypeptide chains and two heme groups
Select the option that correctly lists 3 differences between red blood cells and white blood cells.
Red blood cells carry oxygen, lack a nucleus, and are more numerous; white blood cells fight infection, have a nucleus, and are fewer in number.
Red blood cells fight infection, have a nucleus, and are fewer in number; white blood cells carry oxygen, lack a nucleus, and are more numerous.
Red blood cells are larger, have a nucleus, and fight infection; white blood cells are smaller, lack a nucleus, and carry oxygen.
Red blood cells produce antibodies, have a nucleus, and are fewer in number; white blood cells carry oxygen, lack a nucleus, and are more numerous.
List the layers of the pericardium from outermost to innermost.
Fibrous pericardium, parietal layer of serous pericardium, visceral layer of serous pericardium
Visceral layer of serous pericardium, parietal layer of serous pericardium, fibrous pericardium
Parietal layer of serous pericardium, fibrous pericardium, visceral layer of serous pericardium
Fibrous pericardium, visceral layer of serous pericardium, parietal layer of serous pericardium
The layers of the heart wall from outermost to innermost are:
Epicardium, myocardium, endocardium
Endocardium, myocardium, epicardium
Myocardium, epicardium, endocardium
Pericardium, myocardium, endocardium
Name one event that can alter stroke volume and one event that can alter heart rate. Make sure to designate which is which.
Exercise can increase stroke volume, while stress can increase heart rate.
Sleep can increase stroke volume, while dehydration can increase heart rate.
Eating can decrease stroke volume, while fever can decrease heart rate.
Cold weather can decrease stroke volume, while hunger can decrease heart rate.
The drawbacks to artificial blood substitutes that are currently available include:
Limited oxygen-carrying capacity
Enhanced immune response
Permanent solution for blood loss
No risk of side effects
Superior Vena Cava
Bicuspid Valve
Pulmonary Arteries
Tricuspid Valve
Right Atrium
