BIOD 151/Modul 5 Exam Questions & Answers - Portage Learning

There are three types of muscle tissue found in the body. True False Smooth and cardiac muscle tissue are both under voluntary control. True False The lumbar plexus is part of the central nervous system. True False False- this is a peripheral nerve A motor signal is a signal that is sent from a muscle to the central nervous system. True False False- this is sensory input The cervical plexus contains nerves that innervate the thigh. True False Answer the following short-answer question: Ligaments connect which types of tissue? Your Answer: Ligaments connect bone to bone. Connect bone to bone Answer the following short-answer question: Acetylcholine is what type of substance? Your Answer: Neurotransmitter. Neurotransmitter Answer the following short-answer question: During a muscle contraction which protein myofilament is pulled along? Your Answer: Actin. Actin Answer the following short-answer question: What is the name of the thin myofilament? Your Answer: Actin. Actin Answer the following short-answer question: What must occur for a muscle contraction to stop? Your Answer: When nerve impulses no longer stimulate the muscle fiber, contraction stops. Calcium ions return to sarcoplasmic reticulum and the muscle can relax. ................................continued