What type of tissue lines the trachea?
A. Cuboidal epithelium
B. Simple squamous epithelium
C. Stratified squamous keratinized epithelium
D. Stratified squamous nonkeratinized epithelium
E. Pseudostratified ciliated columnar epithelium
E
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Of the five types of secretory cells in the gastric glands, which ones secrete pepsinogen?
A. Parietal cells B. Mucous neck cells C. Enteroendocrine cells D. Surface mucous cells E. Chief cells
A molecule made of two or more different atoms bonded together is called a(n)
A. atom. B. isotope. C. compound. D. ion.
In the region of plasma membrane immediately adjacent to the area where the last action potential occurred, the entry of positive ions stimulates a new action potential. this kind of conduction is known as ____ conduction.
Fill in the blank(s) with the appropriate word(s).
Predict what would happen if a lung's visceral membrane were pulled away from its parietal membrane still attached to the chest wall.
a. Loss of membrane adhesive force would cause lung collapse. b. Excess serous fluid would quickly accumulate in the newly formed space. c. Only the parietal membrane would continue producing serous fluid. d. The lung would get much larger than normal when inhaling air.