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.
fibrinogen
B.
globulins
C.
hematocrit
D.
albumin
E.
transferin
Question #2
Most abundant formed elements.
A.
eosinophils
B.
monocytes
C.
erythrocytes
D.
basophils
E.
myeloids
Question #3
Blood formed element involved in inflammatory and allergic reactions.
A.
eosinophil
B.
basophil
C.
lymphocyte
D.
neutrophil
E.
erythrocyte
Question #4
Hematocrit measures the percentage of blood volume that consists of _________________.
A.
plasma
B.
erythrocytes
C.
neutrophils
D.
platelets
Question #5
Which of the following blood cells lack mitochondria?
A.
erythrocytes
B.
neutrophils
C.
platelets
D.
basophils
Question #6
___________________ is a condition in which the blood's capacity for carrying oxygen is diminished.
A.
Anemia
B.
Leukemia
C.
Polycythemia
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.
nutrient supply to the body.
C.
All of the possible answers are correct.
D.
transport of hormones.
E.
supply of gases such as oxygen.
Question #8
Which white blood cells contain granules of histamine?
A.
basophils
B.
lymphocytes
C.
neutrophils
D.
eosinophils
Question #9
Diapedesis is defined as ____________________________________________.
A.
the process by which eosinophils attack worms.
B.
the exit of leukocytes from capillaries.
C.
amoeboid motion.
D.
the ingestion of bacteria by macrophages.
Question #10
An average female has approximately _____________ of blood .
A.
6 liters
B.
4 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, plasma, hematocrit.
C.
hematocrit, plasma, buffy coat.
D.
buffy coat, hematocrit, plasma.
Question #12
T cells function to ___________________________.
A.
destroy body cells infected with viruses.
B.
produce antibodies.
C.
phagocytize antigen-antibody complexes.
D.
respond primarily to bacteria and bacterial toxins in body fluids.
Question #13
Which of the following cells develop into macrophages?
A.
basophils
B.
neutrophils
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.
thrombocytopenia.
C.
sickle cell disease.
D.
anemia.
Question #15
Platelets develop from cells known as ____________________________.
A.
erythrocytes
B.
monocytes
C.
megakaryocytes
D.
lymphocytes
Question #16
B cells fight infections by _________________________________.
A.
killing off body cells.
B.
engulfing foreign pathogens.
C.
acting as killer cells.
D.
producing antibodies.
Question #17
Blood's disease in which there is an abnormal excess of erythrocytes.
A.
Thrombocytopenia
B.
Polycythemia
C.
Anemia
D.
Leukemia
Question #18
The percentage of erythrocytes in a normal volume of blood is about ____________.
A.
30%.
B.
10%.
C.
45%
D.
90%.
Question #19
Blood disease in which there is an abnormally low concentration of platelets in blood.
A.
Thrombocytopenia
B.
Leukemia
C.
Polycythemia
D.
Anemia
Question #20
Plasma protein involved in blood clotting.
A.
globulin
B.
albumin
C.
platele
D.
fibrinogen
Question #21
Which of the cells below are agranular leukocytes?
A.
monocytes and neutrophils
B.
neutrophils and lymphocytes
C.
eosinophils and monocytes
D.
lymphocytes and monocytes
E.
neutrophils and basophils
Question #22
What hormone produced in the kidneys stimulates production of red blood cells?
A.
prolactin
B.
carbonic anhydrase
C.
erythropoietin
D.
lipase
E.
adrenalin
Question #23
If your blood type is A, 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 #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.
B antibodies
D.
A antibodies and B antibodies
Question #25
If your blood type is AB, your blood plasma has ______________________.
A.
A antibodies and B antibodies are NOT present in plasma.
B.
A antibodies
C.
B antibodies
D.
A antibodies and B antibodies
Question #26
If your blood type is B, your blood plasma has ______________________.
A.
B antibodies
B.
A antibodies and B antibodies are NOT present in plasma.
C.
A antibodies
D.
A antibodies and B antibodies
Question #27
People with _________ blood type are often called "universal recipients".
A.
O-
B.
A+
C.
B-
D.
AB+
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.
O
B.
A
C.
AB
D.
B
Question #29
What is the heart chamber that receives oxygenated blood from the pulmonary veins?
A.
right atrium
B.
left atrium
C.
left ventricle
D.
right ventricle
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.
tricuspid valve
C.
pulmonary semilunar valve
D.
pectinate muscles
E.
bicuspid valve
Question #32
Death of heart musculature due to lack of oxygen.
A.
valve insufficiency
B.
ventricular fibrillation
C.
myocardial infarction
D.
Cor pulmonale
E.
heart block
Question #33
Which layer of the heart wall is the thickest?
A.
epicardium
B.
endocardium
C.
endothelium
D.
myocardium
Question #34
The inner endothelial layer that lines the heart is the ___________________.
A.
epicardium
B.
myocardium
C.
endocardium
D.
pericardium
Question #35
Which of the following vessels does not carry oxygen-poor blood to the heart?
A.
the superior vena cava
B.
the pulmonary veins
C.
the inferior vena cava
D.
the coronary sinus
Question #36
The right ventricle pumps blood into which vessel?
A.
the aorta
B.
the superior vena cava
C.
the pulmonary trunk
D.
the pulmonary vein
Question #37
Where are the semilunar valves located?
A.
only between the left ventricle and the aorta.
B.
between the great veins and the atria.
C.
between the atria and the ventricles.
D.
between the ventricles and the great arteries (aorta and pulmonary trunk)
Question #38
Fast heart rhythm that originates in one of the ventricles of the heart.
A.
ventricular tachycardia.
B.
congestive heart failure.
C.
atrial fibrillation.
D.
pulmonary arterial hypertension.
Question #39
During ventricular systole _______________________________________________.
A.
blood flows into the right and left ventricles.
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.
deoxygenated blood flows into the right atrium.
Question #40
Blood within the pulmonary veins returns to the ______________________________.
A.
right atrium
B.
right ventricle
C.
left atrium
D.
left ventricle
Question #41
Heart chamber responsible for pumping oxygenated blood to tissues all over the body.
A.
right ventricle.
B.
left ventricle.
C.
left atrium.
D.
right atrium.
Question #42
All cardiac cells can generate electrical impulses.
A.
True
B.
False
Question #43
The heart "heartstrings" are _______________________________.
A.
cusps of the atrioventricular valves
B.
trabeculae carneae
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 and aortic semilunar valves
B.
Pulmonary semilunar and tricuspid valves
C.
Aortic semilunar and mitral valves
D.
Aortic semilunar and tricuspid valves
Question #45
The semilunar valves are closed when ______________________________________.
A.
the atrioventricular valves are closed.
B.
the ventricles are relaxing.
C.
the ventricles are contracting
D.
There is gas exchange in the capillary beds of the lungs.
Question #46
The left ventricular wall of the heart is thicker than the right ventricular wall so that it can _____________________________________.
A.
pump blood through a smaller valve
B.
pump blood with greater pressure
C.
accommodate a greater volume of blood
D.
expand the thoracic cage during diastole
Question #47
A.
pulmonary trunk
B.
pulmonary vein
C.
superios vena cava
D.
aorta
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.
pituitary gland of the diencephalon
B.
medulla oblongata of the brain stem
C.
cerebral cortex of the temporal lobe
D.
thoracic segments of the spinal cord
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.
veins, blood and heart
B.
arteries and veins
C.
heart, blood and blood vessels
D.
capillaries, arteries, heart and veins
E.
arteries, veins and heart
Question #52
Contraction of the left ventricle produces pressure to open the ______________.
A.
tricuspid valve
B.
pulmonary semilunar valve
C.
pulmonary artery
D.
aortic semilunar valve
E.
mitral valve
Question #53
What is the function of semilunar valves in veins?
A.
increase the rate of blood flow
B.
remove debris from blood
C.
regulation of blood pressure
D.
oxygenate the 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 atrium
B.
aorta
C.
right ventricle
D.
left ventricle
E.
right atrium
Question #55
Which vessel of the heart receives blood during right ventricular systole?
A.
pulmonary veins
B.
pulmonary trunk
C.
aorta
D.
superior vena cava
Question #56
What is considered the pacemaker of the heart?
A.
the atrioventricular node
B.
medulla oblongata
C.
the sinoatrial node
D.
atrioventricular bundle
E.
Purkinje fibers
Question #57
If the aortic semilunar valve was blocked, where would blood accumulate?
A.
right ventricle
B.
left atrium
C.
left ventricle
D.
right atrium
E.
lungs
Question #58
The first heart sound “LUB” is produced when _______________________.
A.
The semilunar valves close (pulmonary and aortic)
B.
Gas exchange occurs in the capillary beds of the lungs
C.
The atrioventricular valves close (tricuspid and bicuspid)
D.
The ventricles contract
Question #59
The second heart sound “DUB” is produced when _____________________.
A.
The semilunar valves close (pulmonary and aortic)
B.
The ventricles contract
C.
The atrioventricular valves close (tricuspid and bicuspid)
D.
Gas exchange occurs in the capillary beds of the lungs
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.
Capillaries
C.
Veins
Question #62
Blood vessels which shows only one wall layer known as the tunica intima to allow gas exchange.
A.
Arteries
B.
Veins
C.
Capillaries
Question #63
Which of the blood vessels below has the highest blood pressure?
A.
Veins
B.
Capillaries
C.
Arteries
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