Dane Worked for Years as a Jackhammer Operator Without Consistently

question 69

Multiple Choice

Dane worked for years as a jackhammer operator without consistently wearing earplugs and he now suffers nerve deafness.His loss of hearing is most likely caused by damage to

• A) nociceptors.
• B) olfactory receptors.
• C) the eardrum.
• D) hair cell receptors.

---

Definitions:

Digestive System

The group of organs responsible for breaking down food, absorbing nutrients, and eliminating waste products from the body.

Blood-Brain Barrier

A selective permeability barrier that separates the circulating blood from the brain and extracellular fluid in the central nervous system, protecting the brain from foreign substances.

Blood-Brain Barrier

A selective barrier formed by endothelial cells that protects the brain from harmful substances in the blood while allowing essential nutrients to pass through.

Hydrophobic Drugs

Medications characterized by their tendency to not mix well with water, influencing their absorption, distribution, metabolism, and excretion in the body.