A&P 1 101 MODULE 5 EXAM (RATED A+) MUSCULAR QUESTIONS
AND ANSWERS- PORTAGE LEARNING
There are five types of muscle tissue found in the body. - (answer)False, there are 3
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
A motor signal is a signal that is sent from a muscle to the central nervous system. -
(answer)false, that is sensory input
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? -
(answer)myosin
What is the thin myofilament? - (answer)actin
What is the thick myofilament - (answer)myosin
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,
pronation, median nerve
vastus medialis origin, action - (answer)intertrochanteric line of femur, knee extension
peroneus brevis origin, insertion, innervation - (answer)lateral, distal fibula, origin =
lateral side of 5th metatarsal, innervation = superficial peroneal nerve
your patient sustained an injury to their facial nerve (CN VII). Which actions would be
impaired? - (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?
- (answer)sternocleidomastoid
AND ANSWERS- PORTAGE LEARNING
There are five types of muscle tissue found in the body. - (answer)False, there are 3
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
A motor signal is a signal that is sent from a muscle to the central nervous system. -
(answer)false, that is sensory input
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? -
(answer)myosin
What is the thin myofilament? - (answer)actin
What is the thick myofilament - (answer)myosin
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,
pronation, median nerve
vastus medialis origin, action - (answer)intertrochanteric line of femur, knee extension
peroneus brevis origin, insertion, innervation - (answer)lateral, distal fibula, origin =
lateral side of 5th metatarsal, innervation = superficial peroneal nerve
your patient sustained an injury to their facial nerve (CN VII). Which actions would be
impaired? - (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?
- (answer)sternocleidomastoid
