What is the function of an alveolar macrophage?
A) secrete mucus
B) facilitate gas exchange
C) produce surfactant
D) engulf bacteria, carbon particles, and debris
E) sweep contaminated mucus and debris from the alveoli
D
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Fibrous joints are built for:
A) stability. B) shock absorption. C) a great degree of movement. D) flexibility.
A ________ is a cordlike organ composed of numerous ________.
A. nerve; axons B. nerve; neurosomas C. nerve fiber; axons D. nerve fiber; neurosomas E. nerve fiber; nerves
Which of the following structures belong to the inner ear?
A) Tympanic membrane B) Incus C) Semicircular duct D) Helix E) Tensor tympani muscle
Collagenous fibers are very abundant in ________.
A. blood, adipose tissue, and osseous tissue B. ligaments, bones, and the most superficial portion of the skin C. blood and hyaline cartilage D. areolar tissue, tongue, and bones E. tendons, ligaments, and the deeper portion of the skin