With Age,the Normal Brain Usually Shows

question 87

Multiple Choice

With age,the normal brain usually shows:

• A)A loss of NMDA receptors
• B)An increase in NMDA receptors
• C)Significant loss of neurons in the hippocampus
• D)Random branching of neurons in the prefrontal area

---

Definitions:

Planetary Sun Gear

The central gear in a planetary gear system around which the planet gears revolve and are geared to.

Fluid Coupling

A hydrodynamic device used to transmit rotating mechanical power, relying on the transfer of energy through fluid motion.

Torque Converter

A type of fluid coupling used in automatic transmissions to allow the engine to spin somewhat independently of the transmission output, facilitating smooth vehicle acceleration.

Lock-up Mode

A function in automatic transmissions that directly connects the engine to the transmission to improve fuel efficiency and reduce slippage.