POP QUIZ CHAPTER 4

1. 1. What is the general symptoms for infected fish? Multiple answers.

• Does not eat

• Good appetite

• Loss its color

• Active

2. 2. What is the specific symptoms for infected fish? Multiple answers.

• Stay at the bottom

• Faded or darkened pigmentation

• Stay at the surface of the water

• Erosion of jaw or mouth

3. 3. Which are the agents that caused disease in ornamental fish? Multiple answers.

• Bacteria

• Malnutrition

• Virus

• Rough handling

• Parasite

4. 4. Identify non-infectious disease in ornamental fish?

• White spot

• Improper handling

• Fin root

• Malnutrition

5. 5. What are signs of Fin Rot? Multiple answers.

• Tissue between the fins break down

• Protruding eyes

• Ulcer

• Edges of the fish's fins start to appear frayed and ragged

6.

What is the disease category, caused by the environmental factor?

• Non-infectious disease and non-pathogenic

• Infectious disease and pathogenic

7. 7. Which are the characteristic of a monogenean parasite? Multiple answers.

• Proglottid

• Prohaptor

• Scolex

• Opisthaptor

8. 8. What are the symptoms of dropsy disease? Multiple answers.

• 
  Protruded scale

• Hemorrhage

• Bloating

• Ulcer

9. Identify the monogenean parasite? Multiple answers.

• Gyrodactylus sp.

• Digenean

• Dactylogyrus sp.

• Acanthocephala

10. 10. Which are the following that causes physical stress to the fish? Multiple answers.

• Light

• High stocking density

• Sound

• pH level