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