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Questions and Answers
Which two types of control systems regulate pH levels in the body?
Which two types of control systems regulate pH levels in the body?
- Chemical buffers and respiratory mechanisms
- Physiological buffers and urinary mechanisms
- Chemical buffers and physiological buffers (correct)
- Chemical mechanisms and urinary mechanisms
What is the primary function of chemical buffers in regulating pH levels?
What is the primary function of chemical buffers in regulating pH levels?
- To release excess hydrogen ions in the urine
- To act immediately and stabilize pH levels (correct)
- To reduce the acidity of the fluid
- To act as a secondary defense against harmful shifts in pH levels
Which buffer mechanisms come into play if chemical buffers cannot stabilize pH levels?
Which buffer mechanisms come into play if chemical buffers cannot stabilize pH levels?
- Physiological buffers (correct)
- Respiratory mechanisms
- Urinary mechanisms
- All of the above
What is the primary function of physiological buffers in regulating pH levels?
What is the primary function of physiological buffers in regulating pH levels?
Which buffer mechanisms act faster: chemical buffers or physiological buffers?
Which buffer mechanisms act faster: chemical buffers or physiological buffers?
What happens if the pH of body fluids falls outside the narrow blood pH range?
What happens if the pH of body fluids falls outside the narrow blood pH range?
Which buffer mechanism is slower acting compared to the others?
Which buffer mechanism is slower acting compared to the others?
Which mechanism acts as a secondary defense against harmful shifts in pH of body fluids?
Which mechanism acts as a secondary defense against harmful shifts in pH of body fluids?
What happens if the pH of body fluids falls outside the narrow blood pH range?
What happens if the pH of body fluids falls outside the narrow blood pH range?
What is the primary function of respiratory mechanisms in regulating pH levels?
What is the primary function of respiratory mechanisms in regulating pH levels?
What is the primary function of urinary mechanisms in regulating pH levels?
What is the primary function of urinary mechanisms in regulating pH levels?
Which buffer mechanism acts faster: chemical buffers or physiological buffers?
Which buffer mechanism acts faster: chemical buffers or physiological buffers?
What is the main difference between chemical buffers and physiological buffers?
What is the main difference between chemical buffers and physiological buffers?
Which mechanism reduces the acidity of the fluid by releasing excess hydrogen ions in the urine?
Which mechanism reduces the acidity of the fluid by releasing excess hydrogen ions in the urine?
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