The pseudostratified columnar epithelium of the bronchi in smokers may transform into stratified squamous epithelium. This is an example of ________.

A. regeneration
B. differentiation
C. hyperplasia
D. atrophy
E. replacement


Answer: E

Anatomy & Physiology

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When an organ or gland shrinks due to lack of use, that condition is referred to as ________.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology

Melatonin is produced by the:

A) kidneys. B) adrenal glands. C) pineal gland. D) heart.

Anatomy & Physiology

According to its definition, muscle fatigue is ________

A) the physiological inability of a muscle to contract B) a muscle that begins to "burn" as you exercise C) an irreversible condition brought about by strong stimulus to a muscle D) a tired muscle

Anatomy & Physiology

Vitamins are inorganic compounds that are essential for growth and good health

Indicate whether the statement is true or false

Anatomy & Physiology