Respiratory and metabolic
Before you read
Test yourself first: 5 questions
Question 1 of 5
When an acid and a base are combined, they:
Answer: B. An acid–base (neutralization) reaction produces water and a salt, moving the pH toward neutral.
Question 2 of 5
Battery acid, a very strong acid, would have a pH closest to:
Answer: A. A strong acid like battery acid has a very low pH, close to 0–1.
Question 3 of 5
Which part of the brain controls balance and coordination?
Answer: B. The cerebellum coordinates movement and balance. The cerebrum handles thinking; the medulla controls vital reflexes.
Question 4 of 5
A balance is a laboratory tool used to measure:
Answer: B. A balance measures mass by comparing an object to known masses.
Question 5 of 5
Which pH value represents the most acidic solution?
Answer: A. The lower the pH, the more acidic. pH 2 is strongly acidic; 7 is neutral; above 7 is basic.
Keep the streak going with more questions like these, each with a full rationale.
