Match the cells of the duodenal mucosa with the correct function
1. Produce mucous Absorptive cells
2. Produce secretin and cholecystokinin Goblet cells
3. Protect intestinal epithelium from bacteria Granulosa cells
4. Produce digestive enzymes and absorb digested food Endocrine cells
Absorptive cells 4
Goblet cells 1
Granulosa cells 3
Endocrine cells 2
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A sign of aging of the muscular system is
A. excess ATP. B. decreased supplies of myoglobin. C. expansion of muscle fiber diameters. D. increased creatine phosphate.
Which of the following is not an activity which prevents food from entering the trachea or nasal passage?
a. inhibition of respiration b. elevation of the larynx c. positioning of the tongue against the hard palate d. contraction of the pharyngeal muscles e. elevation of the uvula
The bony projections that can be palpated medially and laterally at the wrist are the
A. styloid processes. B. spinous processes. C. greater and lesser trochanters. D. medial and lateral epicondyles. E. medial and lateral malleoli.
Type I diabetes mellitus is caused by a deficiency of
A) exercise B) glucagon C) glucose D) glycogen E) insulin