Ch 43

Question 1

A macromolecule produced in the body which recognizes another molecule as foreign to the body

Answer 1

Antibody

Question 2

First line of defense against infection

Answer 2

Skin and mucous membranes

Question 3

What do macrophages and neutrophils have in common

Answer 3

They pagocytize pathogens

Question 4

Which of the following cells are part of the innate second (internal) line of defense

Answer 4

Macrophages

Question 5

If microorganisms penetrate the ensnare defenses, an inflammatory response may be initiated by the

Answer 5

Release of chemicals such as histamine by damaged cells and mast cells

Question 6

The proliferation of the b lymphocyte to which a specific antigen binds is referred to as

Answer 6

Clonal selection

Question 7

B lymphocytes ____

Answer 7

Make antibodies that circulate in blood and lymph

Question 8

Which of the following types of cells initiate a secondary immune response

Answer 8

Memory cells

Question 9

The idea behind vaccination is to induce ___ without the vaccinated individual having to get sick

Answer 9

The primary immune response

Question 10

Blood type ___ is considered the universal sonar type because it has ___

Answer 10

O

Neither a or b antigens

Question 11

Which of the following is not part of insect immunity

Answer 11

Activation of natural killer cells

Question 12

What is a characteristic of early stages of local inflammation

Answer 12

Release of histamine

Question 13

Which of the following is not true about helper T cells

Answer 13

They are activated by polysaccharide fragments

Question 14

Which statement best describes the difference in responses of effective B cells and cytotoxic T cells

Answer 14

B cells secrete antibodies against a virus

Cytotoxic T cells kill virus infected cells

Question 15

Which of the following results in long term (adaptive) immunity

Answer 15

The administration of the Chicken pox vaccine

Question 16

SCID is caused by

Answer 16

Absent or defective T cells and B cells

Question 17

Interferons and complement are

Answer 17

Antimicrobial proteins that fight viruses, cut holes in microbial membranes, and target microbes for macrophages

Question 18

Immunity gained from the antibodies in snake bite antiserum are and example of ____ immunity

Answer 18

Artificial passive

Question 19

The second fetus of a mother may be harmed or killed if the mothers blood type is ____ and he fetus blood type is ____

Answer 19

O-

O+

Question 20

Diseases like multiple sclerosis and lupus are ____

Answer 20

Autoimmune diseases

Question 21

During the primary response to an infection, some ____ are stimulated to divide and form effector and memory clone cells

Answer 21

Lymphocytes

Question 22

____ that are transferred from mother to child through the placenta (and breast milk) provide ____ immunity for the child

Answer 22

Antibodies

Passive

Question 23

Which of the following is an acquired (adaptive) immune defense in humans

Answer 23

Antibody production by lymphocytes

Question 24

A rabies shot or tetanus shot provides ___ immunity because it ____

Answer 24

Passive

Contains antibodies produced by another animal

Question 25

Allergy occurs when the body produces too much ___ upon exposure to an allergen

Answer 25

Histamine