Geriatric optometry

What is the best way to stay hydrated during a fast?

• Drink plenty of water before and after the fasting period

• Avoid all fluids during fasting hours

• Eat fruits with high water content during fasting

• Hydrate only when feeling thirsty

Which of the following is a sign that you should stop fasting immediately?

• Mild hunger pangs

• Feeling slightly tired but still functional

• Dizziness, confusion, or severe weakness

• Craving your favorite food

Which hormone does fasting increase to boost metabolism and fat burning?

• Insulin

• Ghrelin

• Leptin

• Norepinephrine

Which factor produced during fasting supports cognitive functions such as memory and learning?

• Brain-derived neurotrophic factor (BDNF)

• Insulin

• Ghrelin

• Cortisol

Why might a person with low blood pressure need to avoid fasting?

• Low blood pressure means they have too much energy stored

• Fasting helps increase blood pressure, which is risky for them

• Fasting can cause dehydration, which may further lower blood pressure

• Their body produces excess glucose during fasting, causing energy crash

Which of the following can fasting help reduce, thereby lowering the risk of heart disease?

• High-density lipoprotein (HDL)

• Low-density lipoprotein (LDL) and triglycerides

• energy levels in the body

• Bone density

The metabolic process by which fat is converted into glucose is called?

• glycogenesis

• glycolysis

• gluconeogenesis

• KREBS cycle

Myth: Fasting leads to extreme hunger and overeating later. What is the actual effect?

• Fasting always leads to excessive binge eating.

• Hunger levels remain the same throughout fasting.

• Hunger disappears as the body adapts to fasting.

• Fasting permanently increases appetite.

Myth: Fasting slows down metabolism. What does research actually suggest?

• Metabolism stays the same regardless of fasting.

• Fasting initially increases metabolism before long-term adaptation.

• Fasting always lowers metabolism immediately.

• Metabolism shuts down completely during fasting.

What is the term for the metabolic state the body enters after 12–16 hours of fasting, leading to fat breakdown?

• Glycolysis

• Fermentation

• Homeostasis

• Ketosis