A common cause of dandruff is
A) inflammation around sebaceous glands.
B) lack of sebaceous glands.
C) too many sebaceous glands.
D) inactive apocrine glands.
E) inactive eccrine glands.
A
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An individual is considered tongue-tied if the ________ is too short.
A. buccal papilla B. uvula C. hyoid D. cecum E. lingual frenulum
What is the most common cause of partial hearing loss (neural presbycusis)?
a. exposure to loud noises over 150 dB b. degenerative wearing out of hair cells c. rupture of the eardrum d. middle ear infections e. organ of Corti defect
A toxic drug destroyed the Golgi apparatus. This would affect
A. packaging of glycoproteins and lipoproteins. B. energy production. C. microtubule production. D. intracellular digestion. E. ribosomal RNA synthesis.
Which of the following statements regarding calcium homeostasis is true?
A. When blood calcium levels are too low, osteoclast activity increases. B. Parathyroid hormone increases calcium loss from the kidney. C. Increased osteoblast activity increases blood calcium levels. D. Calcitonin elevates blood calcium levels. E. Parathyroid hormone inhibits osteoclast activity.