QUIZ 6

Question 1

The lymphatic system functions include FOUR actions.

Answer 1

1) Reabsorbing fluid lost from the capillaries
2) Transporting it to the blood
3) Absorbing fats from the digestive system
4) Defending the body against infectious disease

Question 2

Lymphatic vessels resemble

Answer 2

Thin walled veins with extra valves in structure.

Question 3

The thymus contains many ________ _ _____ in its cortex.

Answer 3

Immature T cells

Question 4

The spleen contains white pulp, which consists mostly of ___________ and ___________ and contains ___ pulp, which performs functions related to _____ cells.

Answer 4

1) Lymphocytes
2) Macrophages
3) Red
4) Blood

Question 5

The first line of defense against pathogens includes the ____ and ______ ________.

Answer 5

1) Skin

2) Mucous membranes.

Question 6

All of the following mechanisms actually expel pathogens from the body: (THREE)

Answer 6

Vaginal secretion;
Emesis (vomiting);
Urination

Question 7

Inflammation is a tissue response to injury and is characterized by _______, ________, ____ and ____.

Answer 7

1) Redness
2) Swelling
3) Heat
4) Pain.

Question 8

Immunity differs from nonspecific defenses in that: it

Answer 8

provides protection against specificforeign antigens; it displays memory; and it requires distinction between self and nonselfantigens.

Question 9

Antigens have immunogenicity;

Answer 9

they can provoke immune responses; have reactivity; they can react with the cells or antibodies they provoked; and they are often large protein molecules.

Question 10

Immunological memory provides rapid response to subsequent infections by the same pathogen;

Answer 10

is due to the presence of long-lasting antibodies and very long-lived lymphocytes; and provides the basis for vaccination.