ATI RN
Anatomy And Physiology Nutrition And Metabolism Questions Quizlet Questions
Question 1 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 2 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 3 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.
Question 4 of 5
The bundle of collagen fibers at the end of a skeletal muscle that attaches the muscle to bone is called a(n)
Correct Answer: B
Rationale: A tendon is a collagenous structure connecting muscle to bone.
Question 5 of 5
The basic functional unit of the nervous system is the
Correct Answer: A
Rationale: The neuron is the fundamental unit of the nervous system, responsible for signal transmission.