Explain how the upper airways and bronchi condition the air, and why this conditioning is important.
What will be an ideal response?
Explain how the upper airways and bronchi condition the air, and why this conditioning is important.Air is warmed to body temperature to protect alveoli and avoid disrupting body temperature, air is humidified so that the exchange epithelium will not dehydrate, and foreign material is filtered out so it will not reach the alveoli.
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Endochondral ossification ________, whereas intramembranous ossification ________.
A. forms bone in broad, flat areas of the skull; occurs in the limbs B. inhibits osteoblast activity; activates osteoclast activity C. activates osteoclasts; inhibits osteoblast activity D. replaces hyaline cartilage; replaces undifferentiated connective tissue
Describe the four types of enzymatic reactions.
What will be an ideal response?
A sacral fracture affecting the S3 and S4 nerve roots would result in a person having difficulty with evacuation of the bowels.
Answer the following statement true (T) or false (F)
Which of the following is NOT involved in refraction?
A. Cornea B. Lens C. Aqueous humor D. Pupil