---

Question 1:

What is the primary component of the human body that water regulates?

A) Blood glucose levels
B) Electrolyte balance
C) Oxygen levels
D) Muscle strength

Show Answer

Explanation: The correct answer is B) Electrolyte balance. Water plays a crucial role in maintaining proper electrolyte balance in the body. Electrolytes, such as sodium, potassium, and magnesium, help regulate various bodily functions, including nerve signaling, muscle contraction, and fluid balance.

---

Question 2:

Which of the following is a symptom of dehydration?

A) Excessive thirst
B) Dark-colored urine
C) Fatigue
D) All of the above

Show Answer

Explanation: The correct answer is D) All of the above. Symptoms of dehydration can include excessive thirst, dark-colored urine, fatigue, and other signs such as dizziness, dry mouth, and reduced urine output. It is important to recognize these symptoms and rehydrate appropriately.

---

Question 3:

Which of the following is an example of an electrolyte?

A) Glucose
B) Vitamin C
C) Sodium
D) Protein

Show Answer

Explanation: The correct answer is C) Sodium. Sodium is an essential electrolyte that helps maintain fluid balance, supports nerve function, and facilitates muscle contraction. It is commonly found in table salt and various foods.

---

Question 4:

During intense exercise, which of the following is true regarding fluid and electrolyte loss?

A) Fluid loss is higher than electrolyte loss.
B) Electrolyte loss is higher than fluid loss.
C) Fluid loss and electrolyte loss are equal.
D) Fluid and electrolyte loss vary depending on the individual.

Show Answer

Explanation: The correct answer is B) Electrolyte loss is higher than fluid loss. During intense exercise, particularly in hot and humid conditions, the rate of electrolyte loss through sweat can be higher than fluid loss. This imbalance can lead to dehydration and electrolyte imbalances, which need to be properly managed.

---

Question 5:

Which of the following is a good source of electrolytes?

A) Sports drinks
B) Soft drinks
C) Energy drinks
D) Water

Show Answer

Explanation: The correct answer is A) Sports drinks. Sports drinks are formulated to provide both fluids and electrolytes, such as sodium and potassium, which are lost during exercise. They can help replenish electrolyte levels and enhance hydration during prolonged or intense physical activity.