The exact causes of inflammatory bowel diseases continue to be explored, but it is relatively clear that
A. the cause is allergy to a single particular food, and patients get immediate relief by simply not eating that food.
B. individuals suffering from its effects are largely experiencing the consequences of the absence of immune mechanisms in the gastrointestinal tract.
C. it can be easily diagnosed since its symptoms are always very specific and the affected areas are always limited to a very focused area within the small intestine.
D. it is likely to result from a combination of environmental and genetic factors.
E. it is equally common among people of all ages and racial groups within the population.
Answer: D
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The general name given to the phenomenon that occurs when a mature epithelium changes to a different form is
A. hyperplasia. B. mesothelia. C. metaplasia. D. hypertrophy. E. neoplasia.
Select all that are in the medulla oblongata.
A. Ventral respiratory group B. Pontine respiratory center C. Pneumotaxic group D. Dorsal respiratory group E. Peripheral chemoreceptors
Tendons and ligaments attach to the ________ of bone
A) osteocytes B) lacunae C) periosteum D) calcium phosphate E) central canals
Which of the following muscle groups is involved in elevating the hyoid bone and depressing the mandible?
A. muscles of mastication B. suprahyoid muscles C. infrahyoid muscles D. intrinsic tongue muscles E. extrinsic tongue muscles