Which of the Following Are Essential Secretory Structures of the Mucociliary

question 23

Multiple Choice

Which of the following are essential secretory structures of the mucociliary system?
1) Surface epithelial cells
2) Pseudostratified,columnar,ciliated epithelial cells
3) Surface goblet cells
4) Clara cells in the distal airway
5) Submucosal glands

• A)1 ,2,and 5 only
• B)2,3,and 5 only
• C)1,2,and 3 only
• D)1,2,3,4,and 5

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Definitions:

External Validity

The extent to which the results of a study can be generalized to other settings, populations, and times.

Confounding Variables

Confounding variables are factors other than the independent variable that may cause or influence the outcome of a study, potentially leading to misleading conclusions.

Day Shift

The period during which work is carried out primarily during daylight hours, often considered as roughly from 8 am to 6 pm.

External Validity

The extent to which the results of a study can be generalized or applied to other settings, populations, or times.