The alveolar cell that secretes pulmonary surfactant is the
A. dust cell.
B. squamous alveolar cell.
C. alveolar type II cell.
D. alveolar type I cell.
E. alveolar macrophage.
Answer: C
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Mammary glands exhibit a glandular type called ________.
A) simple tubular B) compound tubular C) simple alveolar D) compound alveolar
What can happen when the usual negative feedback mechanisms are overwhelmed and destructive positive feedback mechanisms take over?
What will be an ideal response?
What happens to a muscle during an isometric contraction? a. It produces more calcium
b. It lengthens. c. It shortens. d. It is prevented from shortening. e. Sarcomeres are destroyed.
Elastic cartilage and a stratified squamous epithelium are found in which respiratory structure?
a. Bronchiole b. Bronchus c. Epiglottis d. Nasal concha e. Trachea