Blood tissue and Immunity

Question 1

What is the normal WBC count?

Answer 1

5,000-10,000 cells/mm3

Question 2

What are granulocytes?

Answer 2

Polymorphonuclear cells that contain granules of digestive enzymes

Question 3

Neutrophils

Answer 3

phagocytes

granulocyte

Question 4

Eosinophils

Answer 4

allergic reaction

granulocyte

Question 5

Basophils

Answer 5

heparin and histamine

granulocyte

Question 6

What are agranulocytes?

Answer 6

Mononuclear cells that lack digestive enzymes.

Question 7

Monocytes

Answer 7

Scavenger cells

Agranulocyte

Question 8

Lymphocytes

Answer 8

T cells - synthesis of Igs

B cells - synthesis of antibodies

Question 9

What cell is responsible for cellular immunity?

Answer 9

T-lymphocytes - enter lympoid tissue and seek out microbe

Question 10

What is responsible for humoral immunity?

Answer 10

B lymphocytes - produce antibodies

Question 11

Sepsis

Answer 11

systemic inflammatory response to infection

Question 12

What is systemic inflammatory response syndrome?

Answer 12

Early presenting symptoms of sepsis
Body temp >38C or <36C
Heart rate >90 BPM
Respiratory rate >20 BPM
WBCs >12,000, <4,000, or >10% immature forms
- Neutrophil count <2,000/mm3 is associated with cancer

Question 13

Progress of an infection

Answer 13

Incubation
Prodromal
Acute phase
Convalescent

Question 14

What are phases of a febrile episode?

Answer 14

Chill - body tries to increase core temp; pt is cold
Fever - fever reaches the higher set point
Flush - pt experiences diaphoresis (sweating)