BIOD 151 module 5 exam Questions and Correct Answers, Complete Solution. 2024.
T/F There are three types of muscle tissue found in the body.
True
T/F Smooth and cardiac muscle tissue are both under voluntary control.
False
T/F Cardiac and smooth muscle tissue are both under involuntary control
True
T/F The lumbar plexus is part of the central nervous system.
False- this is a peripheral nerve
T/F The musculocutaneous nerve is part of the central nervous system
False
T/F A motor signal is a signal that is sent from a muscle to the central nervous system.
False- this is sensory input
T/F The cervical plexus contains nerves that innervate the thigh.
False
Tendons connect which types of tissue?
Connect muscle to bone
Ligaments connect which types of tissue?
Connect bone to bone
Acetylcholine is what type of substance?
Neurotransmitter
During a muscle contraction which protein myofilament is pulled along?
Actin
What is the name of the thin myofilament?
Actin
What is the name of the thick myofilament?
Myosin
What must occur for a muscle contraction to stop?
Calcium ions must be pumped back into the sarcoplasmic reticulum
KNOW DIAGRAM
picture 1
chart 2
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
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
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
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
B
True or False: When a muscle contracts, the Z lines within a sarcomere come closer together towards the M line.
True
True or False: When a muscle contracts, the M lines within a sarcomere come closer together towards the Z line.
False
True or False: The A band contains thin filaments
True (A band contains thick filaments and thin filaments)
Which muscle contracts to enable the main effort required to stand on your toes?
A. Biceps femoris
B. Quadriceps
C. Gastrocnemius
D. Tibialis anterior
C
When Vastus Lateralis contracts, which bone is pulled anteriorly?
T/F There are three types of muscle tissue found in the body.
True
T/F Smooth and cardiac muscle tissue are both under voluntary control.
False
T/F Cardiac and smooth muscle tissue are both under involuntary control
True
T/F The lumbar plexus is part of the central nervous system.
False- this is a peripheral nerve
T/F The musculocutaneous nerve is part of the central nervous system
False
T/F A motor signal is a signal that is sent from a muscle to the central nervous system.
False- this is sensory input
T/F The cervical plexus contains nerves that innervate the thigh.
False
Tendons connect which types of tissue?
Connect muscle to bone
Ligaments connect which types of tissue?
Connect bone to bone
Acetylcholine is what type of substance?
Neurotransmitter
During a muscle contraction which protein myofilament is pulled along?
Actin
What is the name of the thin myofilament?
Actin
What is the name of the thick myofilament?
Myosin
What must occur for a muscle contraction to stop?
Calcium ions must be pumped back into the sarcoplasmic reticulum
KNOW DIAGRAM
picture 1
chart 2
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
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
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
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
B
True or False: When a muscle contracts, the Z lines within a sarcomere come closer together towards the M line.
True
True or False: When a muscle contracts, the M lines within a sarcomere come closer together towards the Z line.
False
True or False: The A band contains thin filaments
True (A band contains thick filaments and thin filaments)
Which muscle contracts to enable the main effort required to stand on your toes?
A. Biceps femoris
B. Quadriceps
C. Gastrocnemius
D. Tibialis anterior
C
When Vastus Lateralis contracts, which bone is pulled anteriorly?
