CMT CMT Cremation & Alternative Disposition

Question 1

What is the typical temperature range inside a cremation retort during the primary chamber combustion phase?

Accepted Answer

1,400°F to 1,800°F (760°C to 982°C)

Answer

The primary cremation chamber operates between approximately 1,400°F and 1,800°F to fully combust soft tissue while reducing the body to bone fragments.

Question 2

What are the remaining bone fragments called after the cremation process is complete?

Accepted Answer

Cremated remains (cremains) or calcined bone fragments

Answer

The correct technical term for remains after cremation is 'cremated remains' or 'calcined bone fragments,' though 'ashes' is used colloquially by families.

Question 3

Before a cremation can legally begin in most US states, what document must be obtained?

Accepted Answer

Authorization for cremation from the legally authorized next-of-kin AND a cremation permit from the medical examiner or registrar

Answer

Most states require both written family authorization and a government-issued cremation permit before cremation can proceed, as the process is irreversible.

Question 4

What is the function of the secondary (afterburner) chamber in a cremation retort?

Accepted Answer

To combust gases, smoke, and particulates from the primary chamber to reduce emissions

Answer

The secondary (afterburner) chamber burns off combustion gases and particulates from the primary chamber to minimize air pollution and comply with EPA standards.

Question 5

How long does a standard adult cremation typically take in a modern cremation retort?

Accepted Answer

2 to 3 hours

Answer

A standard adult cremation typically takes 2 to 3 hours depending on body size and retort temperature, after which the cremated remains are processed.

(CMT) Certified Mortuary Technician Practice Test

(CMT) Certified Mortuary Technician Practice Test

CMT CMT Cremation & Alternative Disposition