ATI RN
Anatomy And Physiology Nutrition And Metabolism Questions Quizlet Questions
Question 1 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 2 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 3 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.
Question 4 of 5
Branches that may occur along an axon are called
Correct Answer: C
Rationale: Collaterals are side branches that may extend from an axon.
Question 5 of 5
A brain hemorrhage is life-threatening because
Correct Answer: D
Rationale: All listed consequences (neurological changes, lack of blood flow, unconsciousness, and pressure damage) make brain hemorrhages life-threatening.