Anatomy and Physiology I - Chapter 10 and 12 Review Questions

What are the three types of muscle tissue?

Skeletal, cardiac, and smooth

Skeletal muscle fibers are bundled together in structures called:

Fascicles

What regulatory protein on the actin filament does calcium bind to?

Troponin

What ion enters the muscle fiber causing depolarization?

Sodium (Na+)

What substance in muscle cells can transfer a phosphate to ADP to help the cell make more ATP?

Creatine phosphate

What type of muscle is involved in peristalsis?

Smooth muscle (single unit)

This diagram displays how the nervous system maintains homeostasis in the body. What does the control center represent?

Brain and Spinal Cord (CNS)

True or False: Neurons will regularly go through mitosis when learning a new skill.

False. Neurons are amitotic

What type of neuron does the word afferent describe?

Sensory neurons bringing a signal towards the CNS

True or False” Cranial nerves are part of the central nervous system.

False. Cranial nerves are part of the PNS

Which connective tissue layer surrounds an individual axon within a peripheral nerve?

Endoneurium

What is the function of an ependymal cell?

Assist in clearing brain metabolic waste and regulating ion and water homeostasis