Decreased buffers during pregnancy lead to which change in salivary pH?

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Multiple Choice

Decreased buffers during pregnancy lead to which change in salivary pH?

Explanation:
When saliva’s buffering system is reduced, it loses its ability to neutralize acids produced by bacteria. Saliva normally contains buffers like bicarbonate and phosphate that keep the pH around neutral to slightly basic. With fewer buffers available, those acids aren’t neutralized as effectively, so the pH drops and the saliva becomes more acidic. This aligns with the idea that decreased buffering leads to a lower salivary pH. Increased pH or no change would require more buffering or no change in acid production, which doesn’t fit the mechanism here; the result is a decreased pH.

When saliva’s buffering system is reduced, it loses its ability to neutralize acids produced by bacteria. Saliva normally contains buffers like bicarbonate and phosphate that keep the pH around neutral to slightly basic. With fewer buffers available, those acids aren’t neutralized as effectively, so the pH drops and the saliva becomes more acidic. This aligns with the idea that decreased buffering leads to a lower salivary pH. Increased pH or no change would require more buffering or no change in acid production, which doesn’t fit the mechanism here; the result is a decreased pH.

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