ALAT Animal Health and Biology 2

Question 1

What is the normal respiratory rate range for an adult mouse?

Accepted Answer

60-220 breaths/min

Answer

Adult mice have a normal respiratory rate of approximately 60-220 breaths per minute due to their high metabolic rate.

Question 2

Which clinical sign in a rat most strongly suggests dehydration?

Accepted Answer

Skin tenting over the scruff

Answer

Skin tenting (decreased skin turgor) is a classic clinical sign of dehydration. When the skin is pulled and released, it remains elevated or returns slowly in dehydrated animals.

Question 3

What is the primary function of the cecum in rabbits?

Accepted Answer

Fermentation of fibrous plant material

Answer

The rabbit cecum is a large fermentation chamber where symbiotic microorganisms break down cellulose and other fibrous plant materials.

Question 4

Which blood collection site is most commonly used for routine sampling in mice?

Accepted Answer

Submandibular vein

Answer

The submandibular (facial) vein is the most commonly used site for routine blood collection in mice, allowing quick sampling with minimal restraint.

Question 5

What does a hunched posture in a laboratory rodent typically indicate?

Accepted Answer

Pain or discomfort

Answer

A hunched posture in rodents is a well-recognized indicator of pain or discomfort and is a key component used in grimace scales for pain assessment.

ALAT - Assistant Laboratory Animal Technician Practice Test

ALAT - Assistant Laboratory Animal Technician Practice Test

ALAT Animal Health and Biology 2