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