_____________________ contain receptors that code for stretch. ...

[vicky]

___________________ __ contain receptors that code for stretch.
 
  a. Extrafusal fibers and Golgi tendons
  b. Golgi tendon organs
  c. Intrafusal fibers and extrafusal fibers
  d. Intrafusal fibers and Golgi tendons
  e. Extrafusal fibers

Question 2

The event(s) that induce the contraction of a muscle fiber is/are the
 
  a. entry of calcium ions into the cytoplasm of the muscle fiber.
  b. entry of chloride ions into the cytoplasm of the muscle fiber.
  c. release of acetylcholine onto the postsynaptic membrane.
  d. separation of the actin and myosin filaments.
  e. movement of potassium ions into the muscle fiber.

[Hikerman221]

Answer to Question 1

Answer: d. Intrafusal fibers and Golgi tendons

Answer to Question 2

Answer: a. entry of calcium ions into the cytoplasm of the muscle fiber.

[vicky]

Thank you!

[Hikerman221]

Happy to help