Rhenium-185 Is a Stable Isotope

question 70

Multiple Choice

Rhenium-185 is a stable isotope. Rhenium-186 is a radioisotope used in the treatment of cancer. What type of emission is likely for this isotope?

• A) alpha
• B) beta
• C) positron
• D) gamma ray
• E) X-ray

---

Definitions:

Organ of Corti

A structure in the cochlea of the ear containing hair cells that translate sound vibrations into nerve signals.

Perforated Eardrum

A tear or hole in the tympanic membrane, which can lead to hearing loss and increased susceptibility to ear infections.

Hearing Loss

A decrease in the ability to perceive sounds compared to normal levels.

Ear Pain

Discomfort or pain within the ear, which can be caused by infections (like otitis media), injuries, or conditions affecting the ear canal or eardrum.