Colostrum provides

(a)

Naturally acquired active immunity

(b)

Naturally acquired passive immunity

(c)

Artificially acquired active immunity

(d)

Artificially acquired passive immunity

All are peripheral lymphoid organs except

(a)

Lymph nodes

(b)

Spleen

(c)

Mucosa associated lymphoid tissue

(d)

Thymus

B Cells are activated by

(a)

Complement

(b)

Antibody

(c)

Interferon

(d)

Antigen

B cells that produce and release large amounts of antibody are called

(a)

Memory cells

(b)

Basophils

(c)

Plasma cells

(d)

killer cells

Passive immunity does not exhibit this characteristic.

(a)

No memory

(b)

Very effective in protection

(c)

Immediate Immunity

(d)

No active host participation

This statement about the thymus which is not true.

(a)

It is located above the lungs

(b)

It has numerous lobules

(c)

The thymus begins to atrophy by early teens

(d)

It contains T cells

Choose the wrong option

(a)

Lymphocytes are a type of WBC

(b)

They form 20-30% of WBC

(c)

The B lymphocytes leave the bone marrow before maturity

(d)

B Cells can form memory cells.

______ is a second generation vaccine.

(a)

Polio

(b)

MMR

(c)

Hepatitis B

(d)

DPT

______ is not a auto immune disease.

(a)

Rheumatoid arthritis

(b)

Multiple sclerosis

(c)

Allergy

(d)

Addison's disease

The ______ may disappear by adulthood.

(a)

Tonsils

(b)

Peyer's patches

(c)

Adenoids

(d)

Spleen