Physiology 001 - Introduction to Human Physiology » Spring 2022 » Lecture test 4
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Question #1
Protein in blood plasma important in regulating blood volume by maintaining the osmotic pressure of blood compartments and keeping water from leaking out of the vessels.
A.
albumin
B.
globulins
C.
transferin
D.
hematocrit
E.
fibrinogen
Question #2
Most abundant formed elements.
A.
monocytes
B.
myeloids
C.
erythrocytes
D.
eosinophils
E.
basophils
Question #3
Blood formed element involved in inflammatory and allergic reactions.
A.
basophil
B.
erythrocyte
C.
lymphocyte
D.
neutrophil
E.
eosinophil
Question #4
Hematocrit measures the percentage of blood volume that consists of _________________.
A.
platelets
B.
plasma
C.
erythrocytes
D.
neutrophils
Question #5
Which of the following blood cells lack mitochondria?
A.
erythrocytes
B.
platelets
C.
neutrophils
D.
basophils
Question #6
___________________ is a condition in which the blood's capacity for carrying oxygen is diminished.
A.
Leukemia
B.
Polycythemia
C.
Anemia
D.
Thrombocytopenia
Question #7
Blood is associated with which of the following forms of homeostasis?
A.
removal of waste material such as carbon dioxide.
B.
supply of gases such as oxygen.
C.
All of the possible answers are correct.
D.
nutrient supply to the body.
E.
transport of hormones.
Question #8
Which white blood cells contain granules of histamine?
A.
eosinophils
B.
neutrophils
C.
lymphocytes
D.
basophils
Question #9
Diapedesis is defined as ____________________________________________.
A.
the exit of leukocytes from capillaries.
B.
amoeboid motion.
C.
the ingestion of bacteria by macrophages.
D.
the process by which eosinophils attack worms.
Question #10
An average female has approximately _____________ of blood .
A.
8 liters
B.
6 liters
C.
4 liters
D.
2 liter
Question #11
When centrifuged, blood separates into the following sequence of layers, from lightest to heaviest:
A.
buffy coat, plasma, hematocrit.
B.
buffy coat, hematocrit, plasma.
C.
plasma, buffy coat, hematocrit.
D.
hematocrit, plasma, buffy coat.
Question #12
T cells function to ___________________________.
A.
produce antibodies.
B.
respond primarily to bacteria and bacterial toxins in body fluids.
C.
destroy body cells infected with viruses.
D.
phagocytize antigen-antibody complexes.
Question #13
Which of the following cells develop into macrophages?
A.
lymphocytes
B.
neutrophils
C.
basophils
D.
monocytes
Question #14
If examination of the blood reveals a large number of immature leukocytes, the individual is probably suffering from _______________________________.
A.
leukemia.
B.
sickle cell disease.
C.
thrombocytopenia.
D.
anemia.
Question #15
Platelets develop from cells known as ____________________________.
A.
erythrocytes
B.
megakaryocytes
C.
lymphocytes
D.
monocytes
Question #16
B cells fight infections by _________________________________.
A.
acting as killer cells.
B.
killing off body cells.
C.
engulfing foreign pathogens.
D.
producing antibodies.
Question #17
Blood's disease in which there is an abnormal excess of erythrocytes.
A.
Polycythemia
B.
Anemia
C.
Thrombocytopenia
D.
Leukemia
Question #18
The percentage of erythrocytes in a normal volume of blood is about ____________.
A.
30%.
B.
45%
C.
10%.
D.
90%.
Question #19
Blood disease in which there is an abnormally low concentration of platelets in blood.
A.
Anemia
B.
Polycythemia
C.
Leukemia
D.
Thrombocytopenia
Question #20
Plasma protein involved in blood clotting.
A.
platele
B.
fibrinogen
C.
globulin
D.
albumin
Question #21
Which of the cells below are agranular leukocytes?
A.
monocytes and neutrophils
B.
neutrophils and basophils
C.
lymphocytes and monocytes
D.
eosinophils and monocytes
E.
neutrophils and lymphocytes
Question #22
What hormone produced in the kidneys stimulates production of red blood cells?
A.
carbonic anhydrase
B.
adrenalin
C.
erythropoietin
D.
prolactin
E.
lipase
Question #23
If your blood type is A, your blood plasma has ______________________.
A.
B antibodies
B.
A antibodies
C.
A antibodies and B antibodies are NOT present in plasma
D.
A antibodies and B antibodies
Question #24
If your blood type is O, your blood plasma has ______________________.
A.
A antibodies and B antibodies
B.
B antibodies
C.
A antibodies and B antibodies are NOT present in plasma.
D.
A antibodies
Question #25
If your blood type is AB, your blood plasma has ______________________.
A.
A antibodies and B antibodies
B.
A antibodies
C.
A antibodies and B antibodies are NOT present in plasma.
D.
B antibodies
Question #26
If your blood type is B, your blood plasma has ______________________.
A.
A antibodies
B.
A antibodies and B antibodies
C.
A antibodies and B antibodies are NOT present in plasma.
D.
B antibodies
Question #27
People with _________ blood type are often called "universal recipients".
A.
AB+
B.
B-
C.
A+
D.
O-
Question #28
If the mother's blood type is B and father's blood type is O. What would be the blood type of the baby ?
A.
B
B.
AB
C.
A
D.
O
Question #29
What is the heart chamber that receives oxygenated blood from the pulmonary veins?
A.
right ventricle
B.
left ventricle
C.
right atrium
D.
left atrium
Question #30
What is the heart chamber that receives blood from the superior vena cava, inferior vena cava, and coronary sinus?
A.
right ventricle
B.
left atrium
C.
right atrium
D.
left ventricle
Question #31
What is the valve responsible for preventing backflow of blood from the lungs into the heart?
A.
aortic semilunar valve
B.
pectinate muscles
C.
bicuspid valve
D.
tricuspid valve
E.
pulmonary semilunar valve
Question #32
Death of heart musculature due to lack of oxygen.
A.
myocardial infarction
B.
Cor pulmonale
C.
ventricular fibrillation
D.
heart block
E.
valve insufficiency
Question #33
Which layer of the heart wall is the thickest?
A.
endothelium
B.
epicardium
C.
myocardium
D.
endocardium
Question #34
The inner endothelial layer that lines the heart is the ___________________.
A.
myocardium
B.
pericardium
C.
epicardium
D.
endocardium
Question #35
Which of the following vessels does not carry oxygen-poor blood to the heart?
A.
the pulmonary veins
B.
the coronary sinus
C.
the inferior vena cava
D.
the superior vena cava
Question #36
The right ventricle pumps blood into which vessel?
A.
the superior vena cava
B.
the pulmonary vein
C.
the pulmonary trunk
D.
the aorta
Question #37
A.
between the ventricles and the great arteries (aorta and pulmonary trunk)
B.
only between the left ventricle and the aorta.
C.
between the atria and the ventricles.
D.
between the great veins and the atria.
Question #38
Fast heart rhythm that originates in one of the ventricles of the heart.
A.
pulmonary arterial hypertension.
B.
congestive heart failure.
C.
atrial fibrillation.
D.
ventricular tachycardia.
Question #39
During ventricular systole _______________________________________________.
A.
There is gas exchange in the capillary bed of the right and left lungs.
B.
pressure raises in ventricles pumping blood into the pulmonary trunk and aorta.
C.
blood flows into the right and left ventricles.
D.
deoxygenated blood flows into the right atrium.
Question #40
Blood within the pulmonary veins returns to the ______________________________.
A.
left atrium
B.
right atrium
C.
left ventricle
D.
right ventricle
Question #41
Heart chamber responsible for pumping oxygenated blood to tissues all over the body.
A.
right ventricle.
B.
left atrium.
C.
left ventricle.
D.
right atrium.
Question #42
All cardiac cells can generate electrical impulses.
A.
True
B.
False
Question #43
The heart "heartstrings" are _______________________________.
A.
papillary muscles
B.
cusps of the atrioventricular valves
C.
trabeculae carneae
D.
chordae tendineae.
Question #44
The heart contracts twice for every heartbeat. One contraction is the atrial contraction while the other is the ventricular contraction. During ventricular contraction, which two valves of the heart open?
A.
Aortic semilunar and mitral valves
B.
Pulmonary and aortic semilunar valves
C.
Aortic semilunar and tricuspid valves
D.
Pulmonary semilunar and tricuspid valves
Question #45
The semilunar valves are closed when ______________________________________.
A.
There is gas exchange in the capillary beds of the lungs.
B.
the ventricles are relaxing.
C.
the ventricles are contracting
D.
the atrioventricular valves are closed.
Question #46
The left ventricular wall of the heart is thicker than the right ventricular wall so that it can _____________________________________.
A.
accommodate a greater volume of blood
B.
pump blood through a smaller valve
C.
pump blood with greater pressure
D.
expand the thoracic cage during diastole
Question #47
During left ventricular systole, blood exits the heart to enter the _____________.
A.
aorta
B.
pulmonary vein
C.
pulmonary trunk
D.
superios vena cava
Question #48
The tricuspid valve opens when blood flows from the left atrium to the left ventricle.
A.
False
B.
True
Question #49
The cardiac centers that control heart rate are located in the _________________.
A.
cerebral cortex of the temporal lobe
B.
pituitary gland of the diencephalon
C.
thoracic segments of the spinal cord
D.
medulla oblongata of the brain stem
Question #50
Which of the following is NOT a function of the cardiovascular system?
A.
transport oxygen to tissues and remove waste materials
B.
transports cells of the immune system
C.
allow for the detection of stimuli from the external environment
D.
participate in temperature homeostasis
Question #51
What are the components of the cardiovascular system?
A.
capillaries, arteries, heart and veins
B.
arteries, veins and heart
C.
veins, blood and heart
D.
arteries and veins
E.
heart, blood and blood vessels
Question #52
Contraction of the left ventricle produces pressure to open the ______________.
A.
tricuspid valve
B.
mitral valve
C.
pulmonary artery
D.
pulmonary semilunar valve
E.
aortic semilunar valve
Question #53
What is the function of semilunar valves in veins?
A.
increase the rate of blood flow
B.
regulation of blood pressure
C.
oxygenate the blood
D.
remove debris from blood
E.
prevent the backward flow of blood
Question #54
A hospital laboratory technician injects a dye into a vein in your right arm. What is the first chamber of the heart that the dye will reach?
A.
left ventricle
B.
aorta
C.
right ventricle
D.
right atrium
E.
left atrium
Question #55
Which vessel of the heart receives blood during right ventricular systole?
A.
pulmonary trunk
B.
pulmonary veins
C.
superior vena cava
D.
aorta
Question #56
What is considered the pacemaker of the heart?
A.
atrioventricular bundle
B.
the atrioventricular node
C.
medulla oblongata
D.
Purkinje fibers
E.
the sinoatrial node
Question #57
If the aortic semilunar valve was blocked, where would blood accumulate?
A.
right atrium
B.
left ventricle
C.
right ventricle
D.
left atrium
E.
lungs
Question #58
The first heart sound “LUB” is produced when _______________________.
A.
The atrioventricular valves close (tricuspid and bicuspid)
B.
The semilunar valves close (pulmonary and aortic)
C.
Gas exchange occurs in the capillary beds of the lungs
D.
The ventricles contract
Question #59
The second heart sound “DUB” is produced when _____________________.
A.
The semilunar valves close (pulmonary and aortic)
B.
Gas exchange occurs in the capillary beds of the lungs
C.
The ventricles contract
D.
The atrioventricular valves close (tricuspid and bicuspid)
Question #60
All the following are part of the cardiac conduction system except:
A.
the chordae tendineae
B.
the atrioventricular bundle
C.
the Purkinje fibers
D.
The Bundle of His
E.
the sinoatrial node
Question #61
Blood vessels with large amounts of smooth muscle and elastic fibers.
A.
Arteries
B.
Veins
C.
Capillaries
Question #62
Blood vessels which shows only one wall layer known as the tunica intima to allow gas exchange.
A.
Capillaries
B.
Veins
C.
Arteries
Question #63
Which of the blood vessels below has the highest blood pressure?
A.
Veins
B.
Capillaries
C.
Arteries
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