The Suicide Rate for Men in Late Adulthood

question 38

Multiple Choice

The suicide rate for men in late adulthood

• A)significantly declines.
• B)declines somewhat compared with men in middle adulthood.
• C)climbs steadily, especially for men over the age of 85.
• D)is less than for women in late adulthood.

---

Definitions:

Sodium-Potassium Exchange Pump

A membrane-bound enzyme complex that pumps sodium out of cells while pumping potassium into cells, crucial for maintaining cellular concentration and electrical gradients.

Afterpotential

The transient changes in membrane potential that follow an action potential, including hyperpolarization or depolarization phases, affecting neuron's firing rate.

Depolarization

A change in a cell's membrane potential, making it more positive, and is an essential process in the initiation of action potentials in neurons.

Rapid Influx

A swift movement or flow of substances (such as ions) into a cell or area.