The synthesis of ________ depends on the penetration of ultraviolet light through the epidermis.
A. vitamin D
B. keratin
C. carotene
D. collagen
E. cholesterol
Answer: A
Anatomy & Physiology
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If lung compliance decreases, then
A) Inhalation requires more energy. B) Inhalation requires less energy. C) Exhalation requires more energy. D) Exhalation requires less energy.
Anatomy & Physiology
The process by which cells secrete cellular products into the extracellular environment is ________.
A. pinocytosis B. exocytosis C. endocytosis D. phagocytosis
Anatomy & Physiology
True or false: The application of small electrical charges to broken bones are sometimes used to enhance healing
Indicate whether the statement is true or false.
Anatomy & Physiology
Vasectomy and tubal ligation are examples of the ________ method of birth control.
A. behavioral B. barrier C. sterilization D. anti-implantation
Anatomy & Physiology