– Final Exam Summer 2025 – Solved with 100%
Correct Answers
The main cells involved in cell-mediated immunity are called _________. -
ANSWER -T-cells, or T Lymphocytes
The main cells involved in humoral immunity are the _______ cells. - ANSWER -
B-cells, or B Lymphocytes
__________ cells develop in the Thymus gland. - ANSWER -T-cells, or T
Lymphocytes
Some of the _________ cells can develop into memory cells. - ANSWER -B-
cells, or B Lymphocytes
Lymph from about three-fourths of the body drains into the ___________. -
ANSWER -Thoracic Duct
Lymph from the right upper extremity and the right side of the head drains into the
_________ ________ ________. - ANSWER -Right lymphatic duct
The enlarged, pouch-like structure is in the abdomen that serves as a storage area
for lymph is called the ___________. - ANSWER -Cisterna chili
The many lymph vessels that enter the lymph node are called the ______ vessels.
The single vessel leaving the lymph node is called the ______ vessel. - ANSWER -
afferent vessels, efferent vessel
,The thymus gland is the site of maturation for these WBCs: ___________. It also
produces the hormone _________. - ANSWER -T Lymphocytes (T-cells),
Thymosin
The three pairs of tonsils are the _______ tonsils, the _______ tonsils, an the
________ tonsils. - ANSWER -Pharyngeal (adenoid), Palatine, Lingual
___________ kills invading cells by drilling holes in their plasma membrane,
which disrupts the sodium and water balance. - ANSWER -Compliment fixation
Macrophages were originally ________ that migrated into the tissues. - ANSWER
-Monocytes
________ cells produce antibodies. - ANSWER -B-cells
Lymphatic vessels in the walls of the small intestine:
a. veins
b. lacteals
c. thoracic duct
d. both a and b
e. none of the above - ANSWER -b. lacteals
Injection of a vaccine (such as polio vaccine):
a. natural active immunity
b. natural passive immunity
c. artificial active immunity
d. artificial passive immunity - ANSWER -c. artificial active immunity
Which of the following is NOT a primary cell of the immune system?
a. neutrophil
b. erythrocyte
c. monocyte
d. T- Lymphocyte
e. macrophage - ANSWER -b. erythrocyte
, The spleen is:
a. highly vascularized
b. poorly vascularized - ANSWER -a. highly vascularized
Phagocytosis of bacteria is a form of:
a. specific immunity
b. non specific immunity - ANSWER -b. non specific immunity
Involution is a process by which and organ is replaced with connective tissue and
fat. This is typical of the:
a. spleen
b. thymus
c. thyroid
d. tonsils
e. stomach - ANSWER -b. thymus
Lymph flow in the body:
a. moves only toward the heart
b. moves only away from the heart
c. moves both toward and away from the heart. - ANSWER -a. moves only toward
the heart
Protection received by an infant from the mother's breast milk:
a. natural active immunity
b. natural passive immunity
c. artificial active immunity
d. artificial passive immunity - ANSWER -b. natural passive immunity
A life-threatening hypersensitivity reaction of the immune system:
a. hives
b. anaphylactic shock
c. tonsillitis
d. appendicitis
e. allergy - ANSWER -b. anaphylactic shock
, The lining of lymphatic vessels allows for movement of materials into and out of
the vessels. The epithelium is:
a. columnar
b. stratified squamous
c. cuboidal
d. simple squamous
e. transitional - ANSWER -d. simple squamous
All of the following are true of antibodies EXCEPT:
a. are proteins produced by plasma cells
b. are also called imunoglobulins
c. are involved in humoral immunity
d. are produced in the pituitary gland. - ANSWER -d. are produced in the pituitary
gland
Inflammation is an example of:
a. innate immunity
b. specific immunity - ANSWER -a. innate immunity
Which one of the following is NOT a function of lymph nodes?
a. defense
b. white blood cell production
c. erythropoiesis (red blood cell formation)
d. filtration of lymph - ANSWER -c. erythropoiesis (red blood cell production)
RBC formation takes place in bone marrow.
This organ is located in the mediastinum (a space between the lungs), is involved
in the maturation of T-lymphocytes and atrophies or gets smaller as we age.
a. spleen
b. thyroid
c. pituitary
d. thymus
e. tonsils - ANSWER -d. thymus
The skin and mucosa serve a role in: