CET Test Equipment & Measurement 2

Question 1

A technician needs to administer 3 mL of pentobarbital using a 12 mL syringe. How should the dose be measured to ensure accuracy?

Accepted Answer

Draw to the 3 mL graduation mark while keeping the syringe at eye level

Answer

Estimate visually without checking the graduation

Answer

Use a 60 mL syringe for better control

Answer

Draw to the 4 mL mark to account for dead space

Question 2

When using a stethoscope to confirm cardiac arrest after euthanasia, where should the chest piece be placed on a dog?

Accepted Answer

Left axillary region (left armpit/chest wall area)

Answer

Right lateral thorax

Answer

Over the abdomen

Answer

On the dorsal spine

Question 3

A scale used to weigh animals for euthanasia drug dosing reads 0.3 kg when unloaded. What is this called and how should it be corrected?

Accepted Answer

Zero error; tare the scale before use

Answer

Calibration drift; send for manufacturer repair immediately

Answer

Overload damage; replace the scale

Answer

Normal operation; add 0.3 kg to all readings

Question 4

Which needle gauge is most appropriate for IV administration of euthanasia solution to a medium-sized dog (20 kg)?

Accepted Answer

20–22 gauge

Answer

30 gauge

Answer

14 gauge

Answer

27 gauge

Question 5

A technician uses a pulse oximeter on a sedated animal prior to euthanasia and gets a reading of 96%. What does this value indicate?

Accepted Answer

Oxygen saturation is within normal range

Answer

The animal is hypoxic and near death

Answer

The device is malfunctioning

Answer

Carbon dioxide levels are elevated

Question 6

After euthanasia, a technician listens for heart sounds for 60 seconds and hears nothing. What additional step confirms cessation of cardiac activity?

Accepted Answer

Check for a pulse and absence of respiratory movement simultaneously

Answer

Administer a reversal agent and re-evaluate

Answer

Repeat the drug dose immediately

Answer

Check corneal reflex only

Question 7

A 60 mL catheter-tip syringe is used for large animal euthanasia. What is the primary advantage of a catheter-tip over a luer-lock tip?

Accepted Answer

It connects directly to large-bore tubing without a needle for high-volume delivery

Answer

It is more sterile than luer-lock tips

Answer

It reduces the required drug volume

Answer

It prevents accidental plunger removal