BIOD 151 M5 QUESTIONS AND
ANSWERS
There are five types of muscle tissue found in the body. - answer- false
Smooth and cardiac muscle tissue are both under voluntary control. - answer- false
The musculocutaneous nerve is part of the central nervous system. - answer- true
A sensory signal is a signal that is sent from a muscle to the central nervous system.
- answer- true
The lumbar plexus contains nerves that innervate the thigh. - answer- true
Ligaments connect which types of tissue? - answer- connect bone to bone
Answer the following short-answer question:
Acetylcholine is what type of substance? - answer- neurotransmitter
Answer the following short-answer question:
During a muscle contraction which protein myofilament is pulled along?
Your Answer: - answer- actin
What is the name of the thin myofilament? - answer- actin
Answer the following short-answer question:
What must occur for a muscle contraction to stop? - answer- for a muscle contraction
to stop the calcium ions must be pumped back into sarocplasmic reticulum
Identify the muscle and its action highlighted in the figure below. - answer-
Zygomaticus Minor
Action: Pulls corners of lips upward
Identify the muscle and its action in the figure below. - answer- Scalenes (Optional:
anterior/middle/posterior)
Action: Elevates ribs 1 & 2
Identify the three divisions of the muscle group highlighted below. - answer- Spinalis
thoracis, Spinalis cervicis, and Spinalis capitis
Identify the origin and insertion of the muscle indicated by the pointer below. Be as
specific as possible in your response. - answer- Origin: pubic crest, pubic symphysis
Insertion: cartilages of ribs 5-7, xiphoid process
ANSWERS
There are five types of muscle tissue found in the body. - answer- false
Smooth and cardiac muscle tissue are both under voluntary control. - answer- false
The musculocutaneous nerve is part of the central nervous system. - answer- true
A sensory signal is a signal that is sent from a muscle to the central nervous system.
- answer- true
The lumbar plexus contains nerves that innervate the thigh. - answer- true
Ligaments connect which types of tissue? - answer- connect bone to bone
Answer the following short-answer question:
Acetylcholine is what type of substance? - answer- neurotransmitter
Answer the following short-answer question:
During a muscle contraction which protein myofilament is pulled along?
Your Answer: - answer- actin
What is the name of the thin myofilament? - answer- actin
Answer the following short-answer question:
What must occur for a muscle contraction to stop? - answer- for a muscle contraction
to stop the calcium ions must be pumped back into sarocplasmic reticulum
Identify the muscle and its action highlighted in the figure below. - answer-
Zygomaticus Minor
Action: Pulls corners of lips upward
Identify the muscle and its action in the figure below. - answer- Scalenes (Optional:
anterior/middle/posterior)
Action: Elevates ribs 1 & 2
Identify the three divisions of the muscle group highlighted below. - answer- Spinalis
thoracis, Spinalis cervicis, and Spinalis capitis
Identify the origin and insertion of the muscle indicated by the pointer below. Be as
specific as possible in your response. - answer- Origin: pubic crest, pubic symphysis
Insertion: cartilages of ribs 5-7, xiphoid process
