ATI RN
Anatomy And Physiology Nutrition And Metabolism Question Quizlet Questions
Question 1 of 5
What happens if an organism fails to obtain sufficient nutrients?
Correct Answer: B
Rationale: Insufficient nutrients lead to malnutrition, a condition impairing health, not increased activity, growth, or strength.
Question 2 of 5
The smallest living unit within the human body is
Correct Answer: B
Rationale: The cell is the basic structural and functional unit of life in all living organisms, including humans.
Question 3 of 5
The ___ in keratinocytes protects the epidermis and dermis from the harmful effects of sunlight.
Correct Answer: C
Rationale: Melanin, produced by melanocytes and present in keratinocytes, absorbs UV radiation to protect skin from sunlight damage.
Question 4 of 5
The proximal and distal ends of a long bone are called the
Correct Answer: A
Rationale: The epiphyses are the ends of a long bone, while the diaphysis is the shaft, and other terms refer to different regions.
Question 5 of 5
The central canal of an osteon contains
Correct Answer: D
Rationale: The central (Haversian) canal of an osteon contains blood vessels and nerves.