The combining form that means death isSelect one:a.necr/o.b.pachy/o.c.coni/o.d.aut/o.

Break Down the Problem

1. Identify the combining forms provided in the options.
2. Determine which combining form corresponds to the meaning of "death."

Relevant Concepts

1. Combining forms are roots or prefixes used in medical terminology to convey specific meanings.
2. The concept of death in medical terminology often involves terms with the root "necro," which is derived from ancient Greek.

Analysis and Detail

1. Options:
   • a. necr/o - This combining form refers to death (as in necrosis).
   • b. pachy/o - This indicates thickness.
   • c. coni/o - This relates to dust, particularly in terms of exposure to lung diseases.
   • d. aut/o - This signifies self.

Among these options, "necr/o" explicitly refers to death.

Verify and Summarize

• After reviewing the definitions of each combining form, it is confirmed that necr/o is the correct answer as it pertains to death.

Final Answer

The combining form that means death is a. necr/o.