T/F There are three types of muscle tissue found in the body. - ANS True
T/F Smooth and cardiac muscle tissue are both under voluntary control. - ANS False
T/F Cardiac and smooth muscle tissue are both under involuntary control - ANS True
T/F The lumbar plexus is part of the central ...
T/F There are three types of muscle tissue found in the body. - ANS True
T/F Smooth and cardiac muscle tissue are both under voluntary control. - ANS False
T/F Cardiac and smooth muscle tissue are both under involuntary control - ANS True
T/F The lumbar plexus is part of the central nervous system. - ANS False- this is a peripheral
nerve
T/F The musculocutaneous nerve is part of the central nervous system - ANS False
T/F A motor signal is a signal that is sent from a muscle to the central nervous system. - ANS
False- this is sensory input
T/F The cervical plexus contains nerves that innervate the thigh. - ANS False
Tendons connect which types of tissue? - ANS Connect muscle to bone
Ligaments connect which types of tissue? - ANS Connect bone to bone
Acetylcholine is what type of substance? - ANS Neurotransmitter
During a muscle contraction which protein myofilament is pulled along? - ANS Actin
What is the name of the thin myofilament? - ANS Actin
What is the name of the thick myofilament? - ANS Myosin
What must occur for a muscle contraction to stop? - ANS Calcium ions must be pumped back
into the sarcoplasmic reticulum
KNOW DIAGRAM - ANS picture 1
chart 2 - ANS chart 2 answers
Your patient sustained an injury to their facial nerve (CN VII). Which actions would be impaired?
, A. Extend head/neck
B. Compress cheeks
C. Grin/grimace
D. Elevate mandible
E. A&D
F. B&C - ANS F
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?
A. Thyrohyoid
B. Semispinalis capitis
C. Splenius Capitis
D. Sternocleidomastoid
E. Scalenes - ANS D (Bilateral neck flexion, unilateral turns face)
Your patient is having difficulty when asked to bend his spine backward. What muscle is
involved?
A. Spinalis thoracis
B. Scalenes
C. External oblique
D. Internal oblique
E. Rectus abdominis - ANS A
A person sustained a back injury to the muscle group closest to the spine. What muscle group
was injured?
A. Longissimus
B. Spinalis
C. Sternocleidomastoid
D. Iliocostalis
E. Rectus abdominis - ANS B
True or False: When a muscle contracts, the Z lines within a sarcomere come closer together
towards the M line. - ANS True
True or False: When a muscle contracts, the M lines within a sarcomere come closer together
towards the Z line. - ANS False
True or False: The A band contains thin filaments - ANS True (A band contains thick filaments
and thin filaments)
Which muscle contracts to enable the main effort required to stand on your toes?
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