1. There are five types of muscle tissue found in the False, there are 3
body.
2. cardiac and smooth muscle tissue are both under true
involuntary control
3. the musculocutaneous nerve is part of the central false, the peripher-
nervous system al nerve
4. A motor signal is a signal that is sent from a muscle false, that is sen-
to the central nervous system. sory input
5. the cervical plexus contains nerves that innervate the false
thigh
6. tendons connect what type of tissue muscle to bone
7. Acetylcholine is what type of substance? neurotransmitter
8. During a muscle contraction which protein myofila- myosin
ment contains cross-bridges?
9. What is the thin myofilament? actin
10. What is the thick myofilament myosin
11. What must occur for a muscle contraction to stop? Calcium ions must
be pumped back
into the sarcoplas-
mic reticulum
12. flexor digitorum superficialis action and innervation flexion of wrist and
digits 2-5, median
nerve
13. pronator teres insertion, action, innervation midlateral surface
of radius, prona-
tion, median nerve
14. vastus medialis origin, action
1/8
, intertrochanteric
line of femur, knee
extension
15. peroneus brevis origin, insertion, innervation lateral, distal fibu-
la, origin = lat-
eral side of 5th
metatarsal, inner-
vation = superficial
peroneal nerve
16. your patient sustained an injury to their facial nerve eye closure and
(CN VII). Which actions would be impaired? raising eyebrows
17. Your patient is having difficulty when asked to bring sternocleidomas-
his chin to his chest. He is also having difficulty turn- toid
ing his face from side to side. What muscle is most
likely impaired?
18. A person sustained a back injury to the muscle group Spinalis
closest to the spine. What muscle group was injured?
19. True or False: When a muscle contracts, the Z lines true
within a sarcomere come closer together towards the
M line.
20. True or False the I bands contain thick filaments False (I bands
contain thin fila-
ments)
21. What does the H zone contain? thick filaments
only
22. What does the A band contain? thick and thin fila-
ments
23. Which muscle contracts to enable the main effort re- Gastrocnemius
quired to stand on your toes?
24. femur
2/8