Pathology

Question 1

fowl cholera is caused by

Answer 1

Pasteurella multocida

Question 2

Pullorum disease affects which system of chicks

Answer 2

Digestive

Question 3

major CS of infectious coryza

Answer 3

swollen infraorbital sinuses

Question 4

air sacculitis in poultry is caused by

Answer 4

Mycoplasma Gallisepticum

Question 5

Hallmark CS of Marek’s

Answer 5

paralysis of legs and wings

Question 6

Gapeworm infection in poultry is caused by

Answer 6

Syngamus trachea

Question 7

best staining method for visualising cellular detail

Answer 7

wright’s stain

Question 8

type of necrosis in TB

Answer 8

caseous

Question 9

typical fixative for electron microscopy

Answer 9

glutaraldehyde

Question 10

benign tumor- carcinoma, sarcoma, adenoma, lymphoma

Answer 10

adenoma

Question 11

Which of the following is the first line of defense in innate immunity?
A. Antibodies
B. T-cells
C. Skin
D. Complement system

Answer 11

Skin
🧠 Explanation: The skin and mucous membranes are part of the first line of defense in innate immunity, acting as physical and chemical barriers.

Question 12

Reticuloendothelial system is primarily involved in:

Answer 12

Immune defense and phagocytosis
🧠 Explanation: The reticuloendothelial system (RES) includes macrophages and is involved in phagocytosis, antigen presentation, and immune response.