ALAT Chapter 16

Spontaneous animal models are?

• Laboratory animals that are not good for experiments

• Laboratory animals that pass diseases from one to another

• Laboratory animals that naturally acquire a disease or injury similar to a human condition 

• Laboratory animals that are born with a disease

All experimental procedures with animals, such as induction of illness, introduction of a gene of interest, and surgical manipulations, must be reviewed and approved by the __________________before the study can begin.

• IACUC

• USDA

• FDA

• Veterinarian

This group of animals is not subjected to the experimental treatment?

• Experimental group

• Test group

• Free group

• Control group

Where do field studies take place?

• In the animal's home cage

• In the animal's natural environment

• In the lab

• In the animal holding room

What is the experimental variable?

• The variables manipulated by the researcher

• The variables that happen and are not planned

• The variables that the animal introduces

• The variables that are caused by the environment

What is a hypothesis?

• A hypothesis is an untestable belief or opinion.
• A hypothesis is a summary of existing knowledge on a topic.
• A hypothesis is a testable statement or prediction about the relationship between variables.
• A hypothesis is a proven fact about the world.