In a Laboratory Accident, a Work Area Is Contaminated with Radioactive

question 75

Multiple Choice

In a laboratory accident, a work area is contaminated with radioactive material. Health physicists monitor the area during a 30-day period and obtain the data shown in the table. The accident occurred at time $t = 0$ days. They determine that it will not be safe for workers to enter the area until the radioactivity level has dropped to 16 counts per minute. Of the choices listed, which one is the earliest time after the accident that workers could safely return?

• A) 48 days
• B) 77 days
• C) 102 days
• D) 90 days
• E) 65 days

---

Definitions:

Freud's Stages

A psychoanalytic theory proposed by Sigmund Freud, which outlines five stages of psychosexual development.

Masturbate

The act of self-stimulating one's own genitals, often leading to sexual arousal or orgasm.

Developmental Tasks

Skills and behaviour patterns learned during stages of development.

Terminal Illness

A disease or condition that is considered incurable and is expected to lead to the death of the patient within a relatively short time frame.