Exam (elaborations)

Immunology Study Questions and Answers 2024 Graded A

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Course
Immunology

Institution
Immunology

Examples of pathogens that cause human disease include: a. bacteria b. viruses c. fungi d. parasites (protozoans and worms) e. All of the above - e. All of the above Which of the following is not associated with mucosal surfaces? a. mucus-secreting goblet cells b. lysozyme c. M ce...

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immunology
immunology study questions and answers 2024 graded
immunology study questions and answers 2024
immunology study questions and answers
immunology study questions

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Course Immunology

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Immunology Study Questions and
Answers 2024 Graded A
immunology

possiblea 8/21/24 .

, Immunology Study Questions and Answers 2024 Graded A
Examples of pathogens that cause human disease include:
a. bacteria
b. viruses
c. fungi
d. parasites (protozoans and worms)
e. All of the above - e. All of the above

Which of the following is not associated with mucosal surfaces?
a. mucus-secreting goblet cells
b. lysozyme
c. M cells
d. beating cilia
e. white pulp - e. white pulp

One reason that pathogenic microorganisms have an advantage in the host they infect
is because they:
a. have previously been encountered through natural exposure
b. reproduce and evolve more rapidly than the host can eliminate them.
c. have previously been encountered through vaccination
d. strengthen the host's immune response
e. reproduce and evolve more slowly than the host can eliminate them. - b. reproduce
and evolve more rapidly than the host can eliminate them.

Which of the following is not a characteristic of inflammation?
a. increased vascular permeability and edema
b. vasodilation
c. pain
d. inactivation of macrophages
e. influx of leukocytes - d. inactivation of macrophages

Which of the following pairs is mismatched?
a. natural killer cell: kills virus-infected cells
b. macrophage: phagocytosis and killing of microorganisms
c. lymphocytes: innate immune response
d. erythrocyte: oxygen transport
e. eosinophil: defense against parasites. - c. lymphocytes: innate immune response

A term generally used to describe all white blood cells is:
a. leukocytes
b. hematopoietic cells

Immunology Study Questions and Answers 2024 Graded A

, Immunology Study Questions and Answers 2024 Graded A
c. myeloid progenitor
d. dendritic cells
e. monocytes - a. leukocytes

Examples of granulocytes include all of the following except:
a. neutrophil
b. basophil
c. eosinophil
d. monocyte
e. All of the above are examples of granulocytes. - d. monocyte

The most abundant type of leukocyte in human peripheral blood is:
a. eosinophil
b. basophil
c. monocyte
d. lymphocyte
e. neutrophil - e. neutrophil

Which of the following statements is correct?
a. Macrophages are granulocytes.
b. Macrophages are non-phagocytic.
c. Macrophages derive from monocytes.
d. Macrophages do not reside in the tissues.
e. All of the above statements are false. - c. Macrophages derive from monocytes.

Which of the following pairs is mismatched?
a. monocyte progenitor: macrophage
b. erythroid progenitor: megakaryocyte
c. myeloid progenitor: neutrophil
d. lymphoid progenitor: natural killer cell
e. None of the above is mismatched. - e. None of the above is mismatched.

Which of the following pairs of associations is mismatched?
a. megakaryocyte: platelet
b. B cell: plasma cell
c. monocyte: macrophage
d. large granular lymphocyte: T cell
e. myeloid progenitor: neutrophil. - d. large granular lymphocyte: T cell

Which of the following statements is false?

Immunology Study Questions and Answers 2024 Graded A

, Immunology Study Questions and Answers 2024 Graded A
a. The hematopoietic stem cell gives rise to white blood cells but a different stem cell is
the progenitor of red blood cells.
b. During human development, hematopoiesis takes place at different anatomical
locations.
c. Hematopoietic stem cells are self-renewing.
d. Platelets participate in clotting reactions to prevent blood loss.
e. Megakaryocytes do not circulate and reside only in the bone marrow. - a. The
hematopoietic stem cell gives rise to white blood cells but a different stem cell is
the progenitor of red blood cells.

Which statement below is TRUE regarding the regulation and homeostasis of
hematopoiesis?
a. Transcription factors are extracellular proteins that bind to genes in the nucleus and
down-regulate (inhibit) their expression. They play important roles in the regulation
of hematopoiesis.
b. Hematopoiesis is a steady-state process: mature blood cells are produced at a higher
rate at which they are lost.
c. It is the development of white blood cells or leukocytes (e.g., lymphocytes,
neutrophils, basophils, eosinophils, and monocytes) but not red blood cells and
dendritic cells.
d. The development of pluripotent stem cells into different cell types requires the
expression of different sets of lineage-determining and lineage-specific genes, at
appropriate times and in the correct order.
e. All the answers above are true. - d. The development of pluripotent stem cells into
different cell types requires the
expression of different sets of lineage-determining and lineage-specific genes, at
appropriate times and in the correct order.

As to human stem cells, which statement below is false?
a. Embryonic stem cells are unipotent, that is, they can only generate the same cell type
as themselves. In contrast, adult (somatic) stem cells are pluripotent and can give rise
to most but not all of the cell types.
b. Stem cells are undifferentiated or unspecialized cells that can differentiate into
different cell types.
c. All stem cells, regardless of their source, have three general properties: 1) they are
capable of dividing and renewing themselves for long periods; 2) they are
unspecialized; and 3) they can give rise to specialized cell types.
d. Embryonic stem cells derived from embryos that develop from eggs that have been
fertilized in vitro.
e. Adult (or somatic) stem cells are undifferentiated cells found among differentiated

Immunology Study Questions and Answers 2024 Graded A

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