BIOD 152 MODULE 7 QUESTIONS AND ANSWERS 2025

BIOD 152 MODULE 7 LATEST
The bicarbonate buffer system
A. generally takes several days to respond
B. is the main buffer system of urine
C. is the main buffer system of the interstitial fluid
D. cause hypoventilation in the respiratory system
E. all of the above - ANSWERS-C. Is the main buffer system of the
interstitial fluid


The protein buffer system:
A. generally takes several hours to respond
B. causes hyperventilation in the respiratory system
C. is the main buffer system of the interstitial fluid
D. is the main buffer system of the intracellular fluid
E. all of the above - ANSWERS-D. Is the main buffer system of the
intracellular fluid


A person is hyperventilating. This falls under what control mechanism?
Explain what hyperventilation accomplishes - ANSWERS-Respiratory
control mechanism- hyperventilation is an increase in the respiratory
rate, helping to remove additional CO2 from the body. In minutes, this
mechanism reduces CO2 in the body. Removing CO2 uses up H+
END OF
PAGE
1

, BIOD 152 MODULE 7 LATEST
causing the pH to rise (becoming more alkaline) and restores the correct
blood pH


What control mechanism can remove acids and bases from the body -
ANSWERS-Renal control mechanism (kidneys)


Your patient was just admitted to the hospital with emphysema.
pH= 6.5
PCO2= 60 mmHg
HCO3= 34 mEq/L


A. Determine if the patient is in acidosis or alkalosis
B. Is this cause respiratory or metabolic?
C. Is the condition being compensated?
D. If compensated, what is the body doing to compensate? -
ANSWERS-A. Acidosis (pH<7.35)
B. Respiratory (PCO2>45mm)
C. Yes, increased HCO3 (>26)
D. Kidney retention of HCO3 to raise pH


END OF
PAGE
2