An individual with rigor mortis has stiff muscles after death. Which of the following best explains why this occurs?

Which of the following best describes an isotonic contraction?

What is muscle tone?

A patient presents with a sudden loss of voluntary muscle control due to nerve damage. Which of the following best explains why muscle contraction is impaired?

The biceps brachii is an example of an antagonist muscle when the triceps brachii is contracting.

A patient is given a drug that blocks the release of acetylcholine at the neuromuscular junction. What immediate effect will this have on skeletal muscle function?

Which of the following best describes the function of T-tubules in muscle fibers?

A young child fractures the growth plate of his femur. This injury has affected which type of joint?

Ligaments connect bone to bone, while tendons connect muscle to bone.

What is the main function of synovial fluid?