Lymphocyte-Plasma Cell Series

Question 1

Name the WBC that is known to recirculate b/w blood and lymph

Answer 1

Lymphocytes

Question 2

List the two primary lymphoid organs

Answer 2

BM and thymus

Question 3

Lis the two secondary lymphoid organs

Answer 3

LN and spleen

Question 4

What is the origin of the B cells?

Answer 4

BM

Question 5

What is the origin of the T cells?

Answer 5

Thymus

Question 6

What branch of the immune system are the B cells found (include an example)?

Answer 6

Humoral immunity (Ab production, immediate hypersensitivity)

Question 7

What branch of the immune system are the T cells found (include an example)?

Answer 7

Cellular immunity (defense against intracellular organisms; defense against neoplasms; delayed hypersensitivity)

Question 8

What is the lifespan of the B cells?

Answer 8

Short-lived (

Question 9

What is the lifespan of the T cells?

Answer 9

Long-lived (months to years)

Question 10

What is the major function of the lymphatic system?

Answer 10

To collect and dispose of lymph, a watery extracascular fluid of tissues

Question 11

What are the four functions of the spleen?

Answer 11

1. Filtration
2. Cell grooming
3. Reservoir
4. Immunity

Question 12

Describe the nuclear and cytoplasmic appearance of the lymphoblast

Answer 12

N: round to oval w/ fine, evenly stained chromatin
C: scant, slightly to moderately basophilic

Question 13

Describe the nuclear and cytoplasmic appearance of the prolymphocyte

Answer 13

N: round or indented w/ slightly clumped chromatin
C: light blue in color

Question 14

Describe the nuclear and cytoplasmic appearance of the lymphocyte

Answer 14

N: round to oval, slightly indented w/ condensed, clumped, blocky, smudged chromatin
C: scant to moderate; sky blue in color; vacuoles may be present

Question 15

What is the final stage of B cell maturation?

Answer 15

Plasma cell

Question 16

Clear zone next to the nuclear in a mature plasma cell

Answer 16

Hof area