Immunity that develops over time due to exposure to various antigens is termed

) Any organism that causes disease is classified as a(n)

(1pts)

pathogen.

mechanical vector.

antigen.

biological vector.

2) Immunity that develops over time due to exposure to various antigens is termed

(1pts)

adaptive immunity.

innate immunity.

coordinated immunity

learned immunity.

3) The core of the immune system is made up of

(1pts)

intact mucus membranes.

intact skin.

red blood cells.

white blood cells.

4) The first barrier to invasion is

(1pts)

antibody production.

intact skin and body cavity linings.

direct attack by white blood cells.

development of memory cells.

5) All but which of the following can be called a pathogen?

(1pts)

fungus

fly

virus

bacterium

6) The production site for white blood cells is the

(1pts)

spleen

bone marrow.

tonsils

liver

7) Lymph nodes enlarge during an infection because

(1pts)

they become infected.

lymphocytes destroy invaders inside of them.

they become clogged due to infections in the blood.

the body produces double the amount of lymph.

8) T cells multiply and become specialized in the

(1pts)

spleen.

thymus.

thyroid.

bone marrow.

9) Which chemical released by white blood cells causes arterioles to dilate?

(1pts)

complement

histamine

cytokines

interferons

10) Fever develops when ____ stimulate the brain to release prostaglandins.

(1pts)

histamines

complement

interferons

cytokines

11) Skin is a component of which type of immunity?

(1pts)

Adaptive

Innate

12) Cells produced by dividing B or T cells may be set aside for future responses to threat. These cells ‘remember’ the pathogen and are called

(1pts)

phagocytes.

fibroblasts.

effector cells.

memory cells.

13) Which is the first antibody secreted during immune responses and the first one produced by newborns?

(1pts)

IgD

IgM

IgA

IgG

14) Which antibody is involved in allergic reaction?

(1pts)

IgD

IgM

IgA

IgE

15) Natural Killer cells are

(1pts)

neutrophils

present outside of the lymphatic system only.

macrophages

detect and kill virus-infected body cells.

16) Plasma cells come from

(1pts)

T cells.

macrophages.

dendritic cells.

B cells.

17) How many different ‘types’ of Antibodies are there in the human body?

(1pts)

2

5

1

4

18) The purpose of a booster shot is to

(1pts)

counteract specific antigens in the system.

elicit a secondary response to an antigen.

elicit a primary response to an antigen.

re-establish the formation of antibodies.

19) Passive immunization

(1pts)

is used to prevent a person from becoming infected.

causes antibody formation.

is the same thing as immunotherapy.

is the administration of already formed antibodies from another source.

20) What is the name given to the chemicals which disrupt viral replication?

(1pts)

interferons

lymphokines

monoclonal antibodies

vaccine

21) Which of the following act as “filters” in the lymph system?

(1pts)

macrophages

lymph nodes

complements

immunoglobulins

22) The largest lymphoid organ is the

(1pts)

liver

thymus

tonsil

spleen

23)

The lymph vascular system begins at

(1pts)

the arterioles.

the heart.

the capillaries.

the arteries.

24) Which characteristic(s) of urine help it to bar pathogens from the urinary tract?

(1pts)

mucous production

a high pH

ammonia concentrations

a low pH

25) Which chemical released by white blood cells causes capillaries to leak?

(1pts)

complement

interferons

histamine

cytokines

26) Which of the following would NOT be an action of the complement system?

(1pts)

marking of pathogens for destruction by macrophages

attraction of phagocytes to the scene of pathogen invasion

trapping of pathogens in tangled protein threads

lysis of a pathogen’s membrane

27) The markers that identify an individual’s cells are referred to as Major Histocompatibility complexes, what are the letters that represent this complex?

(1pts)

RSW.

ADS.

HTC.

MHC.

28) Which cells make you immune to a disease that you were previously exposed to?

(1pts)

fibroblasts.

phagocytes.

effector cells.

memory cells.

29) Antigen-presenting cells include

(1pts)

monocytes, lymphocytes, and basophils.

neutrophils, monocytes, and eosinophils

macrophages, dendritic cells, and B cells.

lymphocytes, basophils, and neutrophils

30) What stimulates activation of B and T cells?

(1pts)

lysozyme release

cell recognition of an antigen

production of complement

histamine production

Order a unique copy of this paper
(550 words)

Approximate price: $22

Basic features
  • Free title page and bibliography
  • Unlimited revisions
  • Plagiarism-free guarantee
  • Money-back guarantee
  • 24/7 support
On-demand options
  • Writer’s samples
  • Part-by-part delivery
  • Overnight delivery
  • Copies of used sources
  • Expert Proofreading
Paper format
  • 275 words per page
  • 12 pt Arial/Times New Roman
  • Double line spacing
  • Any citation style (APA, MLA, Chicago/Turabian, Harvard)

Our guarantees

Delivering a high-quality product at a reasonable price is not enough anymore.
That’s why we have developed 5 beneficial guarantees that will make your experience with our service enjoyable, easy, and safe.

Money-back guarantee

You have to be 100% sure of the quality of your product to give a money-back guarantee. This describes us perfectly. Make sure that this guarantee is totally transparent.

Read more

Zero-plagiarism guarantee

Each paper is composed from scratch, according to your instructions. It is then checked by our plagiarism-detection software. There is no gap where plagiarism could squeeze in.

Read more

Free-revision policy

Thanks to our free revisions, there is no way for you to be unsatisfied. We will work on your paper until you are completely happy with the result.

Read more

Privacy policy

Your email is safe, as we store it according to international data protection rules. Your bank details are secure, as we use only reliable payment systems.

Read more

Fair-cooperation guarantee

By sending us your money, you buy the service we provide. Check out our terms and conditions if you prefer business talks to be laid out in official language.

Read more

Calculate the price of your order

550 words
We'll send you the first draft for approval by September 11, 2018 at 10:52 AM
Total price:
$26
The price is based on these factors:
Academic level
Number of pages
Urgency

Order your essay today and save 10% with the discount code MHWCOVID10