ATI RN
Anatomy And Physiology Nutrition And Metabolism Questions Quizlet Questions
Question 1 of 5
What are the three main functions of metabolism?
Correct Answer: A
Rationale: Metabolism converts food to energy, builds essential molecules, and removes wastes, supporting survival.
Question 2 of 5
Which of the following terms is/are not used to define the structure that separates the contents of a human cell from its surrounding medium?
Correct Answer: A
Rationale: Human cells have a plasma membrane (also called cell membrane or phospholipid bilayer), but a cell wall is specific to plant cells and some other organisms, not human cells.
Question 3 of 5
The layer of the skin that contains the blood vessels and nerves that are closest to the surface of the skin is the ___ layer.
Correct Answer: A
Rationale: The papillary layer of the dermis is the uppermost layer, containing blood vessels and nerves close to the epidermis.
Question 4 of 5
Interactions between actin and myosin filaments of the sarcomere are responsible for
Correct Answer: C
Rationale: Actin and myosin interactions drive muscle contraction through the sliding filament theory.
Question 5 of 5
The interconnecting tiny arches of bone tissue found in spongy bone are called
Correct Answer: B
Rationale: Trabeculae are the lattice-like structures in spongy bone that provide support.