NUR230 EXAM 2 EXAM QUESTIONS WITH COMPLETE SOLUTIONS

ESTUDY



NUR230 EXAM 1 2024 QUESTIONS &
ANSWERS ALL ANSWERED

### 1. What is the definition of acid-base balance?

a) The body's ability to regulate temperature
b) The process of regulating the pH, bicarbonate concentration, and partial pressure of carbon dioxide in
body fluids
c) The process of maintaining blood pressure
d) The control of body fluid levels

- **Answer:** b) The process of regulating the pH, bicarbonate concentration, and partial pressure of
carbon dioxide in body fluids

### 2. What are the processes involved in acid-base balance?

a) Acid digestion, Acid elimination, Acid stabilization
b) Acid production, Acid buffering, Acid excretion
c) Acid generation, Acid transport, Acid storage
d) Acid creation, Acid neutralization, Acid conversion

- **Answer:** b) Acid production, Acid buffering, Acid excretion

### 3. What is the normal pH range of the body?

a) 6.8-7.0
b) 7.0-7.2
c) 7.35-7.45
d) 7.8-8.0

- **Answer:** c) 7.35-7.45

### 4. What is bicarbonate?

a) The main acid in the body
b) A type of sugar
c) A protein found in muscles
d) The main base in the body

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- **Answer:** d) The main base in the body

### 5. What does the partial pressure in body fluids primarily refer to?

a) Oxygen (O2)
b) Nitrogen (N2)
c) Carbon Dioxide (CO2)
d) Hydrogen (H2)

- **Answer:** c) Carbon Dioxide (CO2)

### 6. Which organ regulates bicarbonate levels in the body?

a) Liver
b) Lungs
c) Heart
d) Kidneys

- **Answer:** d) Kidneys

### 7. Which organ regulates CO2 levels in the body?

a) Liver
b) Lungs
c) Kidneys
d) Heart

- **Answer:** b) Lungs

### 8. What is the scope of acid-base balance?

a) Acidic: pH < 7.35, Optimal: pH 7.35-7.45, Alkalotic: pH > 7.45
b) Acidic: pH < 7.0, Optimal: pH 7.0-7.5, Alkalotic: pH > 7.5
c) Acidic: pH < 6.0, Optimal: pH 6.0-7.0, Alkalotic: pH > 7.0
d) Acidic: pH < 8.0, Optimal: pH 8.0-9.0, Alkalotic: pH > 9.0

- **Answer:** a) Acidic: pH < 7.35, Optimal: pH 7.35-7.45, Alkalotic: pH > 7.45

### 9. What is acid production?

a) Removal of acids through the kidneys

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b) Creation of acid during cellular metabolism
c) Balancing acid levels using buffers
d) Transport of acid through the bloodstream

- **Answer:** b) Creation of acid during cellular metabolism

### 10. What is cellular metabolism?

a) The process of breathing
b) All of the chemical reactions in a cell
c) The movement of cells
d) The transport of nutrients in the blood

- **Answer:** b) All of the chemical reactions in a cell

### 11. What is acid buffering?

a) Increasing the body's acid levels
b) The process of controlling pH changes by neutralizing acids with buffers
c) Removing acid from the body
d) Storing acid in muscles

- **Answer:** b) The process of controlling pH changes by neutralizing acids with buffers

### 12. What is acid excretion?

a) The generation of acids
b) The storage of acid in tissues
c) Removal of acid from the body
d) Absorption of acid in the stomach

- **Answer:** c) Removal of acid from the body

### 13. What are the ways the body removes acid?

a) Through sweat and tears
b) Through urine or breathing out
c) Through saliva and mucus
d) Through eating acidic foods

- **Answer:** b) Through urine or breathing out