Chaoter 31: Fish

Question 1

What fish is most commonly used in research facilities, and serves as a model for genetic studies?

Answer 1

Zebrafish

Question 2

In fish, what do gills do?

Answer 2

Extract oxygen from the water

Question 3

What is the function of the mucous skin secretions?

Answer 3

Waterproof the skin and protect it from infections

Question 4

What is the organ that helps the fish maintain buoyancy?

Answer 4

Gas bladder

Question 5

Zebrafish are typically kept at around what temperature?

Answer 5

28.5 C

Question 6

Fish should not be sued for egg collection more than ____________

Answer 6

Once per week

Question 7

Bags with fish being shipped must have _____________ to provide oxygen

Answer 7

An air space

Question 8

Ideally, all incoming fish should be quarantined for _______ days

Answer 8

30

Question 9

The most common drug used for fish euthanasia is _______

Answer 9

MS-222

Question 10

A sick fish should immediately be removed from the tank and _________

Answer 10

Quarantined

Question 11

List two types of chemicals that should NOT be used when cleaning fish tanks

Answer 11

1- disinfectants

2- detergents

Question 12

What are two types of feed fed to carnivorous fish?

Answer 12

1- live diet

2- natural ingredient laboratory diet