Of the five types of secretory cells in the gastric glands, which ones secrete pepsinogen?
A. Mucous neck cells
B. Chief cells
C. Enteroendocrine cells
D. Surface mucous cells
E. Parietal cells
Answer: B
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The glenohumeral ligaments are
A. strong and distinct. B. weak and indistinct.
Which feature enables mammals to breathe and chew at the same time?
A. The perpendicular plate of the ethmoid bone B. Large nasal conchae C. The shape of the pterygoid process D. A hard palate that separates the oral and nasal cavities E. The presence of a hyoid bone
Which of the following epithelial tissues is composed of many layers of cells?
A) pseudostratified columnar epithelium B) simple squamous epithelium C) simple columnar epithelium D) simple cuboidal epithelium E) stratified squamous epithelium
When a skeletal muscle lengthens, its ________ helps resist excessive stretching and subsequent injury to the muscle.
A. collagen B. thick filaments C. troponin-tropomyosin complex D. varicosities E. actin