FINAL 3702 EXAM QUESTIONS WITH CORRECT ANSWERS

FINAL 3702 EXAM QUESTIONS WITH CORRECT ANSWERS

Muscle fibers are defined solely by the cell type associated with them.

-True

-False - ✔✔ False



Which muscle fibers get recruited first by the spinal cord?

-Slow twitch

-Fast twitch - ✔✔ Slow



An EMG signal is a combination of active motor unit action potentials (MUAPs).

-True

-False - ✔✔ True



A higher spatial resolution is preferable when analyzing a signal. How do I attain this with
EMG? - ✔✔ -Needle electrodes

- signal processing

-adding electrodes

-de-noising the signal



A neuromuscular disease is a broad term to describe pathophysiology of muscle and nerves.

-True

-False - ✔✔ True

, Myopathy is defined as lack of proper_____ in muscle fibers. - ✔✔ function



The word potential in biopotential refers to electrical potential (or voltage).

-True

-False - ✔✔ True



Biopotentials are generated by moving _______ across cell membranes.

-ions

-molecules

-proteins

-enzymes - ✔✔ ions



What are the three most common ions involved in excitable cells - ✔✔ Na, K, Cl



The sinoatrial node is the heart's natural pacemaker, which is located in the right atrium of the
heart.

-True

-False - ✔✔ True



An ECG can infer mechanical performance of the heart.

-True

-False - ✔✔ False