BIO202L LAB_V3
Lab 12 The Lymphatic System and Immunity
Started on Thursday, December 1, 2022, 2:32 PM
State Finished
Completed on Thursday,
... [Show More] December 1, 2022, 2:48 PM
Time taken 15 mins 26 secs
Grade 31.50 out of 35.00 (90%)
Question 1
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Lymph flows:
Select one:
a. Away from the heart only.
b. In a circular pattern within the tissues.
c. Into the capillaries.
d. Toward the heart only.
Question 2
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Which of the following is NOT true regarding lymphatic capillaries?
Select one:
a. Lymphatic capillaries are the smallest lymphatic vessels.
b. Lymphatic capillaries are dead-end vessels.
c. Lymphatic capillaries are less porous than blood capillaries.
d. Lymphatic capillaries are more porous than blood capillaries.
Question 3
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Where are immune cells synthesized?
Select one:
a. The liver.
b. The spleen.
c. The bone marrow.
d. The pancreas.
Question 4
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Which of the following cells plays a role in both specific and non-specific defenses?
Select one:
a. Neutrophils
b. Lymphocytes
c. Macrophages
d. Eosinophils
Question 5
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What are the proteins released by leukocytes to recruit other immune cells and regulate the
immune response?
Select one:
a. Interferon
b. Interleukins
c. Cytokines
d. Lymph
Question 6Correct
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Acquired immunity that a fetus obtains from maternal antibodies that cross the placenta is
called:
Select one:
a. Artificially acquired natural immunity.
b. Naturally acquired passive immunity.
c. Naturally acquired active immunity.
d. Artificially acquired active immunity.
Question 7
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External barriers are the primary defense against pathogen entry into the body.
Select one:
a. True
b. False
Question 8
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Immature T-cells travel from bone marrow to the spleen to finish developing.
Select one:
a. True
b. False
Question 9
Correct
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What are the small proteins that are secreted by virally infected cells that protect
neighboring cells and thwart further multiplication of viruses?
Select one:
a. Interferon
b. Interleukins
c. Heparin
d. Histamine
Question 10
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Which of the following cells is a phagocyte?
Select one:
a. Neutrophils
b. Monocytes
c. Eosinophils
d. All of the above. [Show Less]