Chapter 7 - The Laboratory Animal Environment

Question 1

The environment within the animal’s cage is referred to as the _____.

Answer 1

Microenvironment

Question 2

The environment within the animal room at large is called the _____.

Answer 2

Macroenvironment

Question 3

Name three environmental factors that should be monitored in the animal room.

Answer 3

Temperature, humidity, noise, lighting, ventilation, contaminants, vibrations, odors

Question 4

Room temperatures that are too low can cause the animals to develop what condition?

Answer 4

Hypothermia

Question 5

What is the term for a designated room used to separate newly arrived animals from the other animals in the facility?

Answer 5

Quarantine room

Question 6

What is the measure of the amount of moisture in the air called.

Answer 6

Humidity

Question 7

The rate of room air exchanged with fresh/recirculated air is called _____.

Answer 7

Ventilation or air exchange

Question 8

In what direction does air flow between a positive pressure room and the corridor?

Answer 8

From the room to the corridor

Question 9

Prolonged low relative humidity and high temperature is related to this disease in rats.

Answer 9

Ringtail

Question 10

Name the hand-held instrument used to measure air flow.

Answer 10

Anemometer

Question 11

To what environmental factor are albino animals more sensitive than pigmented animals?

Answer 11

Bright light

Question 12

What are the two types of barrier facilities?

Answer 12

Bioexclusion, biocontainment

Question 13

Quarantine and isolation rooms should operate on this type of air pressure.

Answer 13

Negative

Question 14

How should you store open feed and bedding bags?

Answer 14

In plastic-lines cans with tight-fitting lids

Question 15

Feed and bedding should be stored how far from the wall?

Answer 15

At least 6 inches