Question

Each kidney consists of about a million individual units, all similar in structure and function. These tiny units are called __________

(a) nerves

(b) neurons

(c) capillaries

(d) nephrons

The question was asked at a job interview.

This intriguing question comes from Direct Writing Recorders topic in division Recording System of Biomedical Instrumentation

Answer 1

Correct option is (d) nephrons

The explanation: Each kidney consists of about a million individual units, all similar in structure and function. These tiny units are called nephrons.  A nephron is composed of two parts—a cluster of capillary loops called the glomerulus and a tubule.