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Bio 142 - Summer > Exam 22 Flashcards > Flashcards

Exam 22 Flashcards

1
Q

A substance is identified as foreign by the immune system based on a protein known as the:

A

Major histocompatibility complex

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2
Q

All of the following are true of the thymus gland, except:

A

Activates B cells

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3
Q

An antigen presenting cell

A

Phagocyte

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4
Q

Anything that is foreign to the body and causes a reaction is called a/an: (one option)

A

Antigen

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5
Q

Cancer cells may be identified and destroyed by:

A

NK cells

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6
Q

Choose the option that is NOT an example of your bodie’s non-specific defenses.

A

Immunglobulin

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7
Q

Choose the option that is NOT a pathogen

A

Pollen

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8
Q

Cytokines function MOST in cell:

A

Communication

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9
Q

Damage to lymph nodes or lymphatic vessels resulting blockage might cause:

A

Lymphedema

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10
Q

Hormones that suppress the immune system

A

Steroids

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11
Q

Immunity from catching the flu from your classmate:

A

Naturally acquired active

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12
Q

Lacteals are lymphatic capillaries found in the:

A

Small intestine

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13
Q

Lymphatic fluid recirculates into the bloodstream via the ________ vein.

A

Subclavian

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14
Q

Lymphatic tissue _________ in the presence of an antigen.

A

Swells

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15
Q

Lymphatic tissue differs from a lymphatic organ because it lacks:

A

A capsule

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16
Q

Lymphatic tissue often removed alone with the tonsils:

A

Adenoids

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17
Q

MHC proteins are located:

A

On the cell membrane

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18
Q

Maternal antibodies through the placenta would be an example of _________ and ___________ immunity

A

Naturally acquired, passive

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19
Q

Natural killer cells differ from b cells and t cells because they:

A

Do not require prior exposure to an antigen

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20
Q

Organ transplant patients must take life-long anti rejection drugs because of the ______ of the new organ.

A

MHC’s

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21
Q

Proteins manufactured in the liver that assist antibodies:

A

Complement

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22
Q

Stem cells for B cells, T cells, and NK cells are found in the

A

Bone marrow

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23
Q

The “m” in MALT refers to

A

Mucosa

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24
Q

The antibody present in colostrum

A

IgA

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25
Q

A sample of John’s blood shows a high level of interleukin I. This would indicate that John

A

Is running a fever

26
Q

If the thymus shrank and stopped making thymosins, we would expect to see an immediate decrease in the number of

A

T cells

27
Q

Immunoglobulins that are the first antibodies to be produced in response to infection, are

A

IgM

28
Q

Immunoglobulins that are primarily sound in glandular secretions such as saliva and tears are

A

igA

29
Q

Immunoglobulins that are most abundant and are responsible for longer resistance against many viruses, bacteria, and bacterial toxins

A

IgG

30
Q

In passive immunization, the

A

Body receives antibodies produced by other humans or by an animal

31
Q

The term lymphadenopathy refers to

A

A chronic or excessive enlargement of lymph nodes

32
Q

The primary function of the lymphatic system is

A

Defending the body against both environmental hazards and internal threats

33
Q

Suppressor T cells act to

A

Inhibit T and B cells activities

34
Q

The cells directly responsible for cellular immunity are the _________ cells.

A

Cytotoxic T

35
Q

The cells responsible for humoral immunity are the __________ cells.

A

B

36
Q

The cells that preform immunological surveillance are the ________ cells

A

NK

37
Q

Microphages

A

Neutrophils and eosinophils

38
Q

Inflammation produces localized

A

Swelling, redness, heat, and pain

39
Q

_________ are large lymphatic nodules that are located in the walls of the pharynx

A

Tonsils

40
Q

The faster production of antibodies after the second infection is a result of:

A

Memory B cells

41
Q

The enlarged collection area for lymphatic fluid is called the:

A

Cisterna chylli

42
Q

The immunoglobulin involved in allergies and anaphylaxis

A

IgE

43
Q

The process of making a bacterium “sticky” to enhance phagocytosis uses:

A

Opsonins

44
Q

Aden-, Adeno-

A

Gland

45
Q

Anti-

A

Against

46
Q

Auto-

A

Self

47
Q

De-

A

From, away

48
Q

Hormon-

A

To set in motion

49
Q

Immun-

A

Free

50
Q

Mono-

A

Single

51
Q

Multi-

A

Much, many

52
Q

Phag-

A

To eat

53
Q

Poly-

A

Many

54
Q

Tetra-

A

Hour

55
Q

Thorac-

A

Chest

56
Q

-aglesia

A

Pain

57
Q

-arche

A

Beginning

58
Q

-crineto

A

Seperate

59
Q

Your former best friend sneezed on you a couple of days ago, and now you are in the clutches of a Rhinovirus, which has given you a nasty head cold. Your virus-infected cells are sending out warnings to the yet un-infected cells in the form of proteins called ____________.

A

Interferons

60
Q

You were frying eggs in your new non-stick pan this morning. You picked up your phone to answer a text, and totally burned your eggs. The non stick coating became so overheated that it released toxic PTFE fumes. You inhaled it, and it caused a cancerous mutation in a cell deep in your lungs. So you had lung cancer by the time you reached class. Fortunately for you, your _____________ cells did their job, attacked the cancerous cells by noon, and you were cancer free by lunch time.

A

Natural Killer cells

61
Q

Babesiosis is a disease in which the Babesia organism attaches to the red blood cell. This results in anemia, because the ____________, which filters the blood, identifies the infected cells and removes them from circulation.

A

Spleen

62
Q

Little Mahmood had a surgery to have his __________ removed, because they were chronically infected and swollen.

A

Tonsils

Bio 142 - Summer (11 decks)

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