Chapter 7: Muscles Basic Questions
Questions and Answers
- 1.
What are the three types of muscle tissue?
- A.
Tendon, smooth, skeletal
- B.
Cardiac, antagonist, agonist
- C.
Smooth, cardiac, skeletal
- D.
Pectoralis, deltoid, biceps
Correct Answer
C. Smooth, cardiac, skeletalExplanation
The correct answer is Smooth, cardiac, skeletal. These are the three types of muscle tissue found in the human body. Smooth muscles are involuntary and found in organs like the stomach and intestines. Cardiac muscles are also involuntary and make up the walls of the heart. Skeletal muscles are voluntary and attached to bones, allowing for movement of the body. Tendon, antagonist, agonist, pectoralis, deltoid, and biceps are not types of muscle tissue.Rate this question:
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- 2.
Muscles make up___________ percent of a persons body weignt?
- A.
44%
- B.
32%
- C.
23%
- D.
42%
Correct Answer
D. 42%Explanation
Muscles make up 42% of a person's body weight. This means that almost half of a person's weight is composed of muscles. Muscles are vital for movement, posture, and overall body strength. They are made up of protein fibers and can vary in size and strength depending on a person's level of physical activity and fitness. Having a higher percentage of muscle mass can also contribute to a higher metabolism and overall better health.Rate this question:
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- 3.
What are the two essential ingredients that are needed for muscles to perform properly?
- A.
Oxygen,blood
- B.
Oxygen,nutrition
- C.
Blood, nutrition
- D.
Blood, vitamin D
Correct Answer
B. Oxygen,nutritionExplanation
Muscles require oxygen and nutrition in order to function properly. Oxygen is necessary for the process of cellular respiration, which provides the energy needed for muscle contractions. Without oxygen, muscles would not be able to produce enough energy to perform their functions. Additionally, nutrition is important for providing the necessary nutrients and building blocks for muscle growth, repair, and maintenance. Without proper nutrition, muscles may become weak and unable to function effectively. Therefore, both oxygen and nutrition are essential ingredients for muscles to perform properly.Rate this question:
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- 4.
What are the two points of attachment for "Skeletal" Muscles?
- A.
Aponeurosis, agonist
- B.
Origin, insertion
- C.
Aponeurosis, tendons
- D.
Tendons,brachii
Correct Answer
B. Origin, insertionExplanation
Skeletal muscles have two points of attachment: the origin and the insertion. The origin is the point where the muscle attaches to the bone that remains stationary during muscle contraction. The insertion is the point where the muscle attaches to the bone that moves during muscle contraction. These attachments allow the muscle to exert force and create movement.Rate this question:
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- 5.
Skeletal Muscle is also known as?
- A.
Involuntary,oblique
- B.
Voluntary,striated
- C.
Striated, involuntary
- D.
Striated, smooth
Correct Answer
B. Voluntary,striatedExplanation
Skeletal muscle is known as voluntary and striated muscle. "Voluntary" means that it is under conscious control, meaning we can choose to contract or relax these muscles. "Striated" refers to the appearance of the muscle fibers, which have a striped or banded pattern when viewed under a microscope. This is due to the arrangement of the contractile proteins within the muscle cells.Rate this question:
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- 6.
A wide thin sheet like tendon is called?
- A.
Flat tendons
- B.
Sheet tendons
- C.
Aponeurosis
- D.
Smooth tendons
Correct Answer
C. AponeurosisExplanation
An aponeurosis is a wide, thin sheet-like tendon that attaches muscles to bones or other muscles. It is composed of dense connective tissue and serves to distribute the forces generated by muscle contraction over a broader area, increasing stability and reducing the risk of injury. Unlike other types of tendons, such as flat tendons or sheet tendons, aponeurosis is specifically characterized by its wide and thin structure. Smooth tendons, on the other hand, are not a recognized anatomical term and do not accurately describe the structure being referred to in the question.Rate this question:
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- 7.
Name the three distinguishable parts of a muscle?
- A.
Fibers,tendons, blood
- B.
Fibers blood, cells
- C.
Body, origin, insertion
- D.
Blood,fibers, nutrition
Correct Answer
C. Body, origin, insertionExplanation
The three distinguishable parts of a muscle are the body, origin, and insertion. The body refers to the main portion of the muscle, while the origin is the point of attachment of the muscle to a stationary bone. The insertion, on the other hand, is the point of attachment of the muscle to a movable bone. These three parts play a crucial role in the movement and functioning of the muscle.Rate this question:
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- 8.
Muscle that counteracts the action of another muscle; when one contracts the other relaxes
- A.
Prime mover
- B.
Antagonist
- C.
Synergist
Correct Answer
B. AntagonistExplanation
An antagonist muscle is a muscle that counteracts the action of another muscle. When one muscle contracts, the antagonist muscle relaxes. This allows for smooth and coordinated movement, as the antagonist muscle helps to control and regulate the actions of the prime mover muscle.Rate this question:
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- 9.
Muscle that is primary in a given movement produced by it's contraction
- A.
Synergist
- B.
Antagonist
- C.
Prime mover
Correct Answer
C. Prime moverExplanation
The term "prime mover" refers to the muscle that is primarily responsible for producing a specific movement through its contraction. It is the main muscle that initiates and carries out the desired movement. The prime mover is also known as the agonist muscle.Rate this question:
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- 10.
Muscle that acts with another muscle to produce movement
- A.
Prime mover
- B.
Synergist
- C.
Antagonist
Correct Answer
B. SynergistExplanation
A synergist muscle is a muscle that works together with another muscle to produce movement. It assists the prime mover muscle by stabilizing the joint or providing additional force. Unlike the prime mover, the synergist does not have the primary responsibility for generating the movement but rather supports and enhances the action. Therefore, the correct answer is synergist.Rate this question:
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- 11.
Smooth muscle are also found in internal organs, name five examples of these locations
- A.
Cardiac, smooth, striated, eye, skin
- B.
Digestive tract, urinary tract, respiratory tract, eye, skin
- C.
Digestive tract, cardiac, liver cells, skin, eye
- D.
Biceps, triceps, deltoids, skin, cranium
Correct Answer
B. Digestive tract, urinary tract, respiratory tract, eye, skinExplanation
The correct answer is digestive tract, urinary tract, respiratory tract, eye, skin. Smooth muscle is found in the walls of these organs and structures, allowing them to contract and relax. The digestive tract includes organs such as the stomach and intestines, the urinary tract includes the bladder and ureters, the respiratory tract includes the bronchi and bronchioles, and the eye and skin also contain smooth muscle.Rate this question:
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- 12.
Smooth muscle is also called
- A.
Voluntary, insertion, origin
- B.
Involuntary, visceral, unstriated
- C.
Antagonist, synergist, aponeurosis
- D.
Voluntary, visceral, striated
Correct Answer
B. Involuntary, visceral, unstriatedExplanation
Smooth muscle is called involuntary because it is not under conscious control. It is called visceral because it is found in the internal organs. It is called unstriated because it lacks the characteristic striations seen in skeletal muscle.Rate this question:
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- 13.
What is the muscle of the heart?
- A.
Pace muscle
- B.
Cardiac
- C.
Pulminary
- D.
Arteries
Correct Answer
B. CardiacExplanation
The correct answer is cardiac. The muscle of the heart is called the cardiac muscle. It is a specialized type of muscle that is found only in the heart. The cardiac muscle is responsible for the contraction and pumping of blood throughout the body. It is a highly efficient and strong muscle that works continuously to keep the heart functioning properly. The other options, pace muscle, pulminary, and arteries, are not correct as they do not refer to the muscle of the heart.Rate this question:
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- 14.
What are the three primary functions of the muscular system?
- A.
Posture, flexibility, circulation
- B.
Movement, posture, heat
- C.
Shape, protection, circulation
- D.
Motion, posture, power
Correct Answer
B. Movement, posture, heatExplanation
The three primary functions of the muscular system are movement, posture, and heat. Muscles allow us to move our body parts and perform various activities such as walking, running, and lifting objects. They also help maintain our posture by supporting the skeletal system and keeping our body upright. Additionally, muscles generate heat through contraction, which helps regulate body temperature.Rate this question:
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Mar 20, 2023Quiz Edited by
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Oct 21, 2012Quiz Created by
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