Portage A&P1 Module 5 Exam |QUESTIONS AND CORRECT ANSWERS | ALREADY GRADED
There are five types of muscle tissue found in the body ✔️✔️False (Only 3)
`Smooth and cardiac muscle tissue are both under voluntary control. ✔️✔️False
The lumbar plexus is part of the central nervous system ✔️✔️False (This is a peripheral nerve)
A sensory signal is a signal that is sent from a muscle to the central nervous system. ✔️✔️True
The lumbar plexus contains nerves that innervate the thigh. ✔️✔️True
Ligaments connect which types of tissue? ✔️✔️Connect bone to bone
Aceytlcholine is what type of substance? ✔️✔️Neurotransmitter
During a muscle contraction which protein myofilament contains cross-bridges? ✔️✔️Myosin
What is the name of the thick myofilament? ✔️✔️Myosin
The return of calcium ions into the sarcoplasmic reticulum causes what to occur? ✔️✔️Muscle relaxation
(muscle contraction stops)
Identify the muscle and its innervation highlighted in the figure below. ✔️✔️Answer: Zygomaticus major
Innervation: Facial Neve (CN VII)
Identify the muscle and its bilateral action highlighted in the figure below. Be as specific as possible in
your response. ✔️✔️Longissimus thoracis
Bilateral Action: Extension of spine
Identify the three divisions of the muscle group highlighted below. ✔️✔️Answer: Longissimus thoracis,
Longissimus cervicis, Longissimus capitits
Identify the origin and innervation of the muscle indicated by the pointers below. Be as specific as
possible in your response. ✔️✔️Answer:
Origin: cartilage of ribs 7-12, xiphoid process, lumbar vertebrae (Student must include at least 2 for full
credit)
Innervation: phrenic nerve (C3-5)
(This is the diaphragm.)
Identify the muscle and its origin indicated in the figure below. ✔️✔️Answer:
Rhomboids Major (not minor)
Origin: Spinous Process T2-5
There are five types of muscle tissue found in the body ✔️✔️False (Only 3)
`Smooth and cardiac muscle tissue are both under voluntary control. ✔️✔️False
The lumbar plexus is part of the central nervous system ✔️✔️False (This is a peripheral nerve)
A sensory signal is a signal that is sent from a muscle to the central nervous system. ✔️✔️True
The lumbar plexus contains nerves that innervate the thigh. ✔️✔️True
Ligaments connect which types of tissue? ✔️✔️Connect bone to bone
Aceytlcholine is what type of substance? ✔️✔️Neurotransmitter
During a muscle contraction which protein myofilament contains cross-bridges? ✔️✔️Myosin
What is the name of the thick myofilament? ✔️✔️Myosin
The return of calcium ions into the sarcoplasmic reticulum causes what to occur? ✔️✔️Muscle relaxation
(muscle contraction stops)
Identify the muscle and its innervation highlighted in the figure below. ✔️✔️Answer: Zygomaticus major
Innervation: Facial Neve (CN VII)
Identify the muscle and its bilateral action highlighted in the figure below. Be as specific as possible in
your response. ✔️✔️Longissimus thoracis
Bilateral Action: Extension of spine
Identify the three divisions of the muscle group highlighted below. ✔️✔️Answer: Longissimus thoracis,
Longissimus cervicis, Longissimus capitits
Identify the origin and innervation of the muscle indicated by the pointers below. Be as specific as
possible in your response. ✔️✔️Answer:
Origin: cartilage of ribs 7-12, xiphoid process, lumbar vertebrae (Student must include at least 2 for full
credit)
Innervation: phrenic nerve (C3-5)
(This is the diaphragm.)
Identify the muscle and its origin indicated in the figure below. ✔️✔️Answer:
Rhomboids Major (not minor)
Origin: Spinous Process T2-5
