This respiratory epithelial cell (1) produces surfactant, (2) differentiates to establish normal cellular architecture during development and repair, and (3) normally occupies <5% of the luminal surface area after birth
Additionally, during development its maturation is essential for survival of premature infants.
A. Clara cell
B. type I cell
C. type II cell
D. goblet cell
E. Kultschitzky cell
ANS: C
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A ________ is a groove or shallow depression on the surface of a bone.
A. facet B. sinus C. fossa D. meatus
Match the term with the appropriate description.A. Lipids that cause smooth muscle relaxation and vasodilationB. Lymph nodules aggregated in the small intestinal wallC. Rounded epithelial structures found in the medulla of thymusD. Areas of a lymph node where lymphocytes divideE. A chemical released from mast cells that causes vasodilationPeyer's patches
Fill in the blank(s) with the appropriate word(s).
What determines breast size?
A. The amount of collagenous fiber B. The amount of mammary gland tissue C. Muscle tone D. The size of lactiferous sinuses E. The amount of adipose tissue
What structures anchor the atrioventricular valves to the papillary muscles of the ventricle walls?
A. Coronary sinus B. Interatrial septum C. Auricles D. Chordae tendineae