Question 1

Which innate defense mechanism initiate(s) a cascade effect in response to foreign proteins in the body?

Accepted Answer

A)  Antibodies
B)  Interferon
C)  The complement system
D)  Natural killer cellsE) None of the above
F) C) and D)

Question 2

What are pathogens?

Accepted Answer

A)  A type of antibody
B)  Agents that alter DNA base sequences
C)  Disease-causing agents
D)  Phagocytic leukocytesE) All of the above
F) A) and D)

Question 3

The formation of lymph increases as a result of

Accepted Answer

A)  increasing osmotic pressure in blood capillaries.
B)  increasing hydrostatic pressure in tissue fluid.
C)  decreasing volume of tissue fluid.
D)  decreasing protein concentration in tissue fluid.E) A) and C)
F) All of the above

Question 4

A population of lymphocytes whose members are all alike and are capable of responding to the same specific antigen is called a(n)________.

Accepted Answer

The answer of A population of lymphocytes whose members are...

Question 5

As a result of the allergen-antibody reaction, mast cells release histamine.

Accepted Answer

A) True 
 B)False

Question 6

Lymph is ________ that has entered a lymphatic capillary.

Accepted Answer

The answer of Lymph is ________ that has entered a...

Question 7

Which of the following examples best demonstrates species resistance?

Accepted Answer

A)  Certain strains of H1N1 virus infect both humans and pigs.
B)  Certain strains of avian flu are transmissible between chickens, ducks, and other birds.
C)  A worker at an animal shelter encounters a cat with Calicivirus, but cannot become sick with Calicivirus themselves.
D)  A worker at an animal shelter encounters a cat with Calicivirus and infects their own cat at home after the cat is exposed to their work clothes.E) All of the above
F) None of the above

Question 8

An antigen is ________, whereas an antibody is ________.

Accepted Answer

A)  a foreign substance such as a protein or a polysaccharide to which lymphocytes respond; a globular protein that reacts with an antigen to eliminate the antigen
B)  an immunoglobulin that is produced by lymph nodes in response to bacteria; a foreign protein that enters the body and causes an immune reaction
C)  a hapten molecule that is complex in shape; an enzyme produced by the thymus gland that neutralizes antigens
D)  only on a pathogen; only in a human bodyE) All of the above
F) None of the above

Question 9

An immunoglobulin molecule is an antigen secreted by T lymphocytes.

Accepted Answer

A) True 
 B)False

Question 10

Which of the following is not a function of the lymphatic system?

Accepted Answer

A)  Returning interstitial fluid to the bloodstream
B)  Protecting the body against infection
C)  Transporting hormones to intestinal smooth muscle
D)  Transporting the products of lipid digestion from the intestine to the liverE) All of the above
F) B) and C)

Question 11

Which of the following is not an autoimmune disease?

Accepted Answer

A)  Juvenile rheumatoid arthritis
B)  Multiple sclerosis
C)  Type 1 diabetes mellitus
D)  Diabetes insipidusE) B) and C)
F) B) and D)

Question 12

Newborns can acquire ________ immunity through breast milk.

Accepted Answer

A)  specific
B)  passive
C)  active
D)  innateE) All of the above
F) A) and B)

Question 13

The region of a lymph node through which blood vessels and nerves pass is called the

Accepted Answer

A)  sinus.
B)  capsule.
C)  nodule.
D)  hilum.E) A) and C)
F) C) and D)

Question 14

________ are masses of partially encapsulated lymphatic nodules in the pharynx.

Accepted Answer

The answer of ________ are masses of partially encapsulated lymphatic...

Question 15

DiGeorge syndrome is a chromosomal disorder in which the thymus never develops/barely develops due to a deletion in a chromosome. Which of the following complications would you expect a child with DiGeorge syndrome to encounter?

Accepted Answer

A)  The child will not possess any B lymphocytes and will be immunocompromised.
B)  The space in which body fluid is filtered and pathogens are destroyed will be missing, so the child will be prone to life-threatening infections.
C)  The child will possess very few T lymphocytes and will be immunocompromised.
D)  The child will lose flow of lymph through the body, so recurrent edema will result.E) None of the above
F) A) and B)

Question 16

Innate defenses are

Accepted Answer

A)  fast and nonspecific.
B)  slow and nonspecific.
C)  fast and specific.
D)  slow and specific.E) A) and B)
F) All of the above

Question 17

Plasma cells

Accepted Answer

A)  increase the volume of the blood plasma.
B)  produce antibody molecules.
C)  directly attack antigens.
D)  produce interferon.E) A) and B)
F) A) and C)

Question 18

Fluid is kept from accumulating in tissue spaces by

Accepted Answer

A)  sweating.
B)  breathing.
C)  the urinary system.
D)  the lymphatic system.E) A) and B)
F) B) and C)

Question 19

One major symptom of Hodgkin's lymphoma is noticeable swelling of lymph nodes in the axillary, thoracic, and cervical regions. Which of the following does not reflect where you expect to find swellings?

Accepted Answer

A)  The hands
B)  The armpits
C)  The chest
D)  The mandible and neckE) A) and C)
F) C) and D)

Question 20

Autoimmune diseases are more common in older people.

Accepted Answer

A) True 
 B)False

Exam 16: Lymphatic System and Immunity

________ are masses of partially encapsulated lymphatic nodules in the pharynx.

Correct AnswerverifiedShow Answer

Which innate defense mechanism initiate(s) a cascade effect in response to foreign proteins in the body?

Correct AnswerverifiedShow Answer

Innate defenses are

Correct AnswerverifiedShow Answer

A population of lymphocytes whose members are all alike and are capable of responding to the same specific antigen is called a(n)________.

Correct AnswerverifiedShow Answer

Which of the following examples best demonstrates species resistance?

Correct AnswerverifiedShow Answer

Autoimmune diseases are more common in older people.

Correct AnswerverifiedShow Answer

Newborns can acquire ________ immunity through breast milk.

Correct AnswerverifiedShow Answer

DiGeorge syndrome is a chromosomal disorder in which the thymus never develops/barely develops due to a deletion in a chromosome. Which of the following complications would you expect a child with DiGeorge syndrome to encounter?

Correct AnswerverifiedShow Answer

The formation of lymph increases as a result of

Correct AnswerverifiedShow Answer

An antigen is ________, whereas an antibody is ________.

Correct AnswerverifiedShow Answer

What are pathogens?

Correct AnswerverifiedShow Answer

The region of a lymph node through which blood vessels and nerves pass is called the

Correct AnswerverifiedShow Answer

Which of the following is not an autoimmune disease?

Correct AnswerverifiedShow Answer

One major symptom of Hodgkin's lymphoma is noticeable swelling of lymph nodes in the axillary, thoracic, and cervical regions. Which of the following does not reflect where you expect to find swellings?

Correct AnswerverifiedShow Answer

As a result of the allergen-antibody reaction, mast cells release histamine.

Correct AnswerverifiedShow Answer

Plasma cells

Correct AnswerverifiedShow Answer

Lymph is ________ that has entered a lymphatic capillary.

Correct AnswerverifiedShow Answer

Which of the following is not a function of the lymphatic system?

Correct AnswerverifiedShow Answer

Fluid is kept from accumulating in tissue spaces by

Correct AnswerverifiedShow Answer

An immunoglobulin molecule is an antigen secreted by T lymphocytes.

Correct AnswerverifiedShow Answer

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An antigen is , whereas an antibody is .

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