Which of the Following Is an Example of Secondary Aging

question 39

Multiple Choice

Which of the following is an example of secondary aging?

• A) reduced bone mass
• B) hereditary macular degeneration
• C) lack of menstruation after menopause
• D) decline in brain weight

---

Definitions:

Synaptic Vesicles

Small sacs in presynaptic neurons that store neurotransmitters, which are released into the synaptic cleft to transmit neural signals.

Synaptic Cleft

The small gap between neighboring neurons, across which neurotransmitters are released to transmit signals from one neuron to another.

Presynaptic Terminal

The end of a neuron from which neurotransmitters are released to communicate with a neighboring neuron's receptor site.

Sarcolemma

The Sarcolemma is the cell membrane surrounding muscle fibers, critical for receiving and conducting stimuli and maintaining the integrity of muscle cells.