Page 540 - Atlas of Histology with Functional Correlations
P. 540
QUESTIONS
In the following multiple choice questions, choose the letter corresponding
to the one best answer.
1. Intercalated ducts in salivary glands modify the saliva that passes
through them by:
A. secreting bicarbonate ions and absorbing chloride.
B. absorbing sodium and adding potassium and bicarbonate ions.
C. secreting bicarbonate and potassium ions.
D. adding water and enzymes.
E. absorbing bicarbonate and chloride ions.
2. Striated ducts in salivary glands modify the saliva that passes through
them by:
A. secreting bicarbonate ions and absorbing chloride.
B. absorbing sodium and adding potassium and bicarbonate ions.
C. secreting bicarbonate and potassium ions.
D. adding water and enzymes.
E. absorbing bicarbonate and chloride ions.
3. What is the main function of salivary amylase?
A. Breaking down starch in the oral cavity
B. Moistening and lubricating the bolus
C. Increasing the production of antibodies in the saliva
D. Controlling bacterial flora in the oral cavity
E. Stimulating increased production of saliva
4. What is the main function of myoepithelial cells?
A. To add more electrolytes to saliva
B. To increase enzyme content in the oral cavity
C. To constrict intercalated and striated ducts
D. To contract secretory acini to expel secretions
E. To lubricate the food bolus in the oral cavity
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