Which of the following represents a mismatch in stomach wall structure?
A. Mucosa - gastric glands
B. Gastric pits - open onto surface of stomach mucosa
C. Rugae - folds of mucosa and submucosa
D. Muscularis - two layers; both circular
E. Lining - simple columnar epithelium
Answer: D
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This portion of the brain forms part of the roof of the diencephalon and covers the third ventricle. Its posterior portion houses the pineal gland and the habenular nuclei.
A. Infundibulum B. Thalamus C. Epithalamus D. Cerebellum E. Hypothalamus
Which of the following is not possible?
A) Gas flow equals pressure gradient over resistance. B) Pressure gradient equals gas flow over resistance. C) Resistance equals pressure gradient over gas flow. D) The amount of gas flowing in and out of the alveoli is directly proportional to the difference in pressure or pressure gradient between the external atmosphere and the alveoli.
If you compare a cell with a manufacturing plant that exports goods, the cell's ________ could be compared to the manufacturing plant's shipping department.
A. endoplasmic reticulum B. lysosome C. nucleus D. Golgi apparatus E. ribosome
After you measure TV and vital capacity, you must also calculate ________ before you can determine total lung capacity
A) inspiratory volume B) residual volume C) inspiratory capacity D) expiratory reserve volume