Physiology and Chemistry Quiz

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What is the normal pH range of blood?

7.20 - 7.30

7.50 - 7.60

7.70 - 7.80

7.35 - 7.45 (correct)

What happens to the pH of a solution when NaOH is added?

It increases (correct)

It becomes neutral

It decreases

It remains the same

What is the term for a chemical system designed to resist changes in pH?

pH regulation

Homeostasis

Buffer solution (correct)

Acid-base balance

What happens to the acidity of a solution when more HCI is added?

It increases Signup and view all the answers

What is the term for a condition where the pH of blood is below 7.35?

Acidosis Signup and view all the answers

What is the role of the kidneys in blood pressure regulation?

Regulating blood volume Signup and view all the answers

What is the primary function of a pulse oximeter?

To measure blood oxygen saturation and heart rate Signup and view all the answers

What is the universal donor blood type?

O- Signup and view all the answers

What is measured by a pulse oximeter to determine oxygen saturation?

The amount of light absorbed by deoxygenated hemoglobin Signup and view all the answers

What is the purpose of histamine released by basophils?

Not mentioned in the text Signup and view all the answers

What are the two physical parts of a pulse oximeter?

Probe and display Signup and view all the answers

What is the effect of adding more drops of NaOH to a solution on its pH?

The pH of the solution will increase Signup and view all the answers

What happens when CO2 is introduced into a solution of water?

The pH of the solution decreases Signup and view all the answers

What is the role of the bicarbonate-carbonic acid buffer system in the body?

To minimize changes in pH by buffering excess hydrogen ions Signup and view all the answers

What would the body try to do to compensate for a sudden increase in blood CO2 levels?

Increase respiratory rate and depth Signup and view all the answers

What is the effect of a sudden increase in blood CO2 levels on the pH of the blood?

The pH of the blood decreases Signup and view all the answers

What does ICF refer to in bodily fluids?

Intracellular fluid Signup and view all the answers