There are five types of muscle tissue found in the body. - ANSWER False, there are 3
A motor signal is a signal that is sent from a muscle to the central nervous system. - AN-
SWER false, that is sensory input
cardiac and smooth muscle tissue are both under involuntary control - ANSWER true
the musculocutaneous nerve is part of the central nervous system - ANSWER false, the
peripheral nerve
the cervical plexus contains nerves that innervate the thigh - ANSWER false
tendons connect what type of tissue - ANSWER muscle to bone
Acetylcholine is what type of substance? - ANSWER neurotransmitter
During a muscle contraction which protein myofilament contains cross-bridges? - AN-
SWER myosin
What is the thin myofilament? - ANSWER actin
What is the thick myofilament - ANSWER myosin
1
, What must occur for a muscle contraction to stop? - ANSWER Calcium ions must be
pumped back into the sarcoplasmic reticulum
flexor digitorum superficialis action and innervation - ANSWER flexion of wrist and digits
2-5, median nerve
pronator teres insertion, action, innervation - ANSWER midlateral surface of radius, pro-
nation, median nerve
vastus medialis origin, action - ANSWER intertrochanteric line of femur, knee extension
peroneus brevis origin, insertion, innervation - ANSWER lateral, distal fibula, origin = lat-
eral side of 5th metatarsal, innervation = superficial peroneal nerve
your patient sustained an injury to their facial nerve (CN VII). Which actions would be im-
paired? - ANSWER eye closure and raising eyebrows
Your patient is having difficulty when asked to bring his chin to his chest. He is also having
difficulty turning his face from side to side. What muscle is most likely impaired? - AN-
SWER sternocleidomastoid
A person sustained a back injury to the muscle group closest to the spine. What muscle
group was injured? - ANSWER Spinalis
True or False: When a muscle contracts, the Z lines within a sarcomere come closer together
towards the M line. - ANSWER true
True or False the I bands contain thick filaments - ANSWER False (I bands contain thin fil-
aments)
2
A motor signal is a signal that is sent from a muscle to the central nervous system. - AN-
SWER false, that is sensory input
cardiac and smooth muscle tissue are both under involuntary control - ANSWER true
the musculocutaneous nerve is part of the central nervous system - ANSWER false, the
peripheral nerve
the cervical plexus contains nerves that innervate the thigh - ANSWER false
tendons connect what type of tissue - ANSWER muscle to bone
Acetylcholine is what type of substance? - ANSWER neurotransmitter
During a muscle contraction which protein myofilament contains cross-bridges? - AN-
SWER myosin
What is the thin myofilament? - ANSWER actin
What is the thick myofilament - ANSWER myosin
1
, What must occur for a muscle contraction to stop? - ANSWER Calcium ions must be
pumped back into the sarcoplasmic reticulum
flexor digitorum superficialis action and innervation - ANSWER flexion of wrist and digits
2-5, median nerve
pronator teres insertion, action, innervation - ANSWER midlateral surface of radius, pro-
nation, median nerve
vastus medialis origin, action - ANSWER intertrochanteric line of femur, knee extension
peroneus brevis origin, insertion, innervation - ANSWER lateral, distal fibula, origin = lat-
eral side of 5th metatarsal, innervation = superficial peroneal nerve
your patient sustained an injury to their facial nerve (CN VII). Which actions would be im-
paired? - ANSWER eye closure and raising eyebrows
Your patient is having difficulty when asked to bring his chin to his chest. He is also having
difficulty turning his face from side to side. What muscle is most likely impaired? - AN-
SWER sternocleidomastoid
A person sustained a back injury to the muscle group closest to the spine. What muscle
group was injured? - ANSWER Spinalis
True or False: When a muscle contracts, the Z lines within a sarcomere come closer together
towards the M line. - ANSWER true
True or False the I bands contain thick filaments - ANSWER False (I bands contain thin fil-
aments)
2
