ALAT Anesthesia and Analgesia in Laboratory Animals 2

Question 1

What is the most common cause of hypothermia in anesthetized small laboratory animals?

Accepted Answer

Impaired thermoregulation combined with heat loss from the body surface

Answer

Excessive sweating through the skin

Answer

Heat absorption by surgical lighting

Answer

Over-administration of intravenous fluids

Question 2

What is the recommended environmental temperature for recovering post-anesthetic rodents?

Accepted Answer

Warm environment (28–32°C)

Answer

Standard room temperature (20–22°C)

Answer

Cool environment (15–18°C)

Answer

Exact body temperature (37–38°C)

Question 3

Atipamezole is a reversal agent used to antagonize which class of drugs?

Accepted Answer

Alpha-2 adrenergic agonists such as xylazine

Answer

Opioids

Answer

Benzodiazepines

Answer

Barbiturates

Question 4

Which of the following best describes the purpose of an anesthetic record in laboratory animal procedures?

Accepted Answer

Documentation of drugs, doses, monitoring parameters, and observations during the procedure

Answer

Legal billing documentation for institutional reimbursement

Answer

A facility-wide log of all animals currently under anesthesia

Answer

A record of which technician performed the procedure for liability purposes

Question 5

What is the primary risk of recovering an anesthetized animal without continuous monitoring?

Accepted Answer

Life-threatening complications such as respiratory depression, aspiration, or hypothermia may go undetected

Answer

The animal may chew on sutures before they are fully set

Answer

The animal will be overly active and may injure itself

Answer

The anesthetic agents will not clear from the system completely

Question 6

Which method is recommended for maintaining body temperature in a small rodent during surgery?

Accepted Answer

Placing the animal on a warm water-circulating pad or forced-air warming blanket

Answer

Wrapping the entire animal in wet sterile gauze

Answer

Raising room temperature to 38°C

Answer

Directing surgical lights directly onto the animal's body surface

Question 7

What is the correct immediate response if an anesthetized animal vomits during a procedure?

Accepted Answer

Turn the animal's head to the side, clear the airway immediately, and notify the veterinarian

Answer

Continue the procedure and clean up vomit afterward

Answer

Increase anesthetic depth to suppress the vomiting reflex

Answer

Administer oral fluids to dilute stomach contents