# The major mechanism of damage to plasma membrane in ischemia is:
A. Reduced intracellular pH
B. Increased intracellular accumulation of sodium
C. Increased Ca++ ions in the cytosol
D. Reduced aerobic respiration
The correct answer is C. Increased Ca++ ions in the cytosol.
The ion calcium is critical for cell damage. Influx of calcium acts as second messenger and activates wide spectrum of enzymes that destroy cellular organelles.
CLICK HERE TO PRACTICE MORE MCQs.
No comments:
Post a Comment
Add Your Comments or Feedback Here