The Ion That Enters Myofibrils and Stimulates Actin and Myosin

question 7

Multiple Choice

The ion that enters myofibrils and stimulates actin and myosin to shorten the cell (contract) is:

• A) iron.
• B) calcium.
• C) sodium.
• D) potassium.

Acknowledge the impact of hormones on sexual drive in males and females.

Understand the effects of castration and testosterone-replacement therapy on sexual desire and function.

Differentiate between male and female sexual response and orgasm.

Be aware of the factors influencing sexual arousal and desire, including the impact of external stimuli and hormone levels.

---

Definitions:

Dementia

is a broad category of brain diseases that cause a long-term and often gradual decrease in the ability to think and remember, affecting daily functioning.

Senility

A derogatory term once used to describe the deterioration of cognitive abilities associated with old age, now more respectfully referred to as dementia or age-related cognitive decline.

Dementia

A broad category of brain diseases that cause a long-term and often gradual decrease in the ability to think and remember, affecting daily functioning.

Senescence

The process of aging where the body gradually deteriorates over time.