Pathology - General Info & Definitions

Question 1

Define etiology.

Answer 1

The cause of a lesion.

Question 2

Define pathogenesis.

Answer 2

The sequence of events from initial stimulus to expression of disease. The ability to cause disease.

Question 3

Define diagnosis.

Answer 3

A concise statement or conclusion concerning the nature, cause or name of a disease.

Question 4

Define prognosis.

Answer 4

The expected outcome of a disease. The diagnosis helps us predict a prognosis.

Question 5

Define a lesion.

Answer 5

Any morphological change is tissue during disease.

Question 6

What is included in a Morphological Diagnosis (MDx)?

Answer 6

• Pathological process
• Location
• Distribution
• Duration and
• Severity

Question 7

What is included in an Etiological Diagnosis (EtDx)?

Answer 7

-Pathological process
-Location and
-CAUSE
(Should be concisely stated in two words)

Question 8

What does the term pathognomonic mean?

Answer 8

It means characteristic of a specific disease.

Ex. Multifocal necro-hemorrhagic nephritis in Fading Puppy Syndrome.

Question 9

Define General Pathology.

Answer 9

The main pathological process incited by various injurious stimuli. Applies to all cells/tissues.

Question 10

Define Systemic Pathology.

Answer 10

System-specific disease processes. Builds on main pathological processes, but takes into account unique responses to injury of each tissue and specific diseases for each system.