BIOD 151 Module 5 Exam

BIOD 151 Module 5 Exam Review Answer Key (Portage
learning)UPDATED 2022
*True or false:: There are 5 types of muscle tissue found in body - ANSWER: False

*True or false: Smooth and cardiac muscles are under voluntary control - ANSWER:
False

true or false: the musculocutaneous nerve is part of the central nervous system -
ANSWER: false

the lumbar plexus is part of the central nervous system - ANSWER: false- its part of
the peripheral nervous system

*true or false: a sensory signal is a signal thar is sent from a muscle to the central
nervous system - ANSWER: true

"true or false: the lumbar plexus contains nerves that innervate the thigh - ANSWER:
true

ligaments connect which types of tissue - ANSWER: ligaments connect bone to bone

tendons connect which types of tissues - ANSWER: muscle to bone

*acetylcholine is what type of substance - ANSWER: neurotransmitter

during a muscle contraction which protein myofilament contains cross-bridges -
ANSWER: myosin

during muscle contraction which protein myofilament is pulled along - ANSWER:
actin

*what is the name of thin myofilament - ANSWER: actin

what must occur for a muscle contraction to stop - ANSWER: Calcium ions must be
pumped back into the sarcoplasmic reticulum

the return of calcium ions into the sarcoplasmic reticulum causes what to occur -
ANSWER: muscle relaxation (muscle contraction stops)

*Identify the muscle and its action - ANSWER: muscle: zygomaticus minor
action: pulls corners of mouth up

identify the muscle and its origin - ANSWER: muscle: splenius capitis
origin: spinous process