Portage A&P1 Module 5 Exam Questions
and Answers Graded A+
There are five types of muscle tissue found in the body - Correct answer-False
(Only 3)
`Smooth and cardiac muscle tissue are both under voluntary control. - Correct
answer-False
The lumbar plexus is part of the central nervous system - Correct answer-False
(This is a peripheral nerve)
A sensory signal is a signal that is sent from a muscle to the central nervous
system. - Correct answer-True
The lumbar plexus contains nerves that innervate the thigh. - Correct answer-True
Ligaments connect which types of tissue? - Correct answer-Connect bone to bone
Aceytlcholine is what type of substance? - Correct answer-Neurotransmitter
During a muscle contraction which protein myofilament contains cross-bridges? -
Correct answer-Myosin
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, What is the name of the thick myofilament? - Correct answer-Myosin
The return of calcium ions into the sarcoplasmic reticulum causes what to occur? -
Correct answer-Muscle relaxation (muscle contraction stops)
Identify the muscle and its innervation highlighted in the figure below. - Correct
answer-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. - Correct answer-Longissimus thoracis
Bilateral Action: Extension of spine
Identify the three divisions of the muscle group highlighted below. - Correct
answer-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. - Correct answer-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.)
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and Answers Graded A+
There are five types of muscle tissue found in the body - Correct answer-False
(Only 3)
`Smooth and cardiac muscle tissue are both under voluntary control. - Correct
answer-False
The lumbar plexus is part of the central nervous system - Correct answer-False
(This is a peripheral nerve)
A sensory signal is a signal that is sent from a muscle to the central nervous
system. - Correct answer-True
The lumbar plexus contains nerves that innervate the thigh. - Correct answer-True
Ligaments connect which types of tissue? - Correct answer-Connect bone to bone
Aceytlcholine is what type of substance? - Correct answer-Neurotransmitter
During a muscle contraction which protein myofilament contains cross-bridges? -
Correct answer-Myosin
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
, What is the name of the thick myofilament? - Correct answer-Myosin
The return of calcium ions into the sarcoplasmic reticulum causes what to occur? -
Correct answer-Muscle relaxation (muscle contraction stops)
Identify the muscle and its innervation highlighted in the figure below. - Correct
answer-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. - Correct answer-Longissimus thoracis
Bilateral Action: Extension of spine
Identify the three divisions of the muscle group highlighted below. - Correct
answer-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. - Correct answer-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.)
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
