Bio 251 Chapter 10 Muscles

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| By Collectable99

Collectable99

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Quizzes Created: 1 | Total Attempts: 280

Questions: 8 | Attempts: 280 | Updated: Mar 16, 2023

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Questions and Answers

1.

The study of the muscular system is known as
- A.
  
  Kinesiology
- B.
  
  Pathophysiology
- C.
  
  Myology
- D.
  
  Biology
- E.
  
  Neurology
Correct Answer
C. Myology

Explanation
Myology is the study of the muscular system, including the structure, function, and diseases of muscles. It involves understanding how muscles are formed, how they contract and relax, and how they interact with other systems in the body. Kinesiology is the study of human movement, pathophysiology is the study of abnormal physiological processes, biology is the study of living organisms, and neurology is the study of the nervous system. However, myology specifically focuses on the muscular system, making it the correct answer.

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2.

All of the following are functions of muscles except
- A.
  
  Stability
- B.
  
  Heat production
- C.
  
  Control of openings
- D.
  
  Secretion
- E.
  
  Respiration
Correct Answer
D. Secretion

Explanation
Muscles are primarily responsible for movement and stability in the body. They generate heat during contraction, control the openings of various body structures, and facilitate respiration. However, muscles do not have the ability to secrete substances. Secretion is typically carried out by specialized glands in the body, such as the salivary glands, sweat glands, or endocrine glands. Therefore, secretion is not a function of muscles.

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3.

What term best describes the relationship between the pronator quadratus and supinator?
- A.
  
  Fixators
- B.
  
  Antangonist
- C.
  
  Synergists
- D.
  
  Prime movers
- E.
  
  Depressors
Correct Answer
B. Antangonist

Explanation
The pronator quadratus and supinator are muscles that have opposite actions. The pronator quadratus pronates the forearm (rotates it inward), while the supinator supinates the forearm (rotates it outward). Therefore, they work against each other, making them antagonists.

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4.

Muscle fibers are arranged in bundles called
- A.
  
  Compartments
- B.
  
  Fasciles
- C.
  
  Retinacula
- D.
  
  Aponeuroses
- E.
  
  Groups
Correct Answer
B. Fasciles

Explanation
Muscle fibers are arranged in bundles called fascicles. Fascicles are a collection of muscle fibers that are bound together by connective tissue. This arrangement allows for coordinated contraction and movement of the muscle as a whole.

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5.

Which of the following describes an appearance of red muscular tissue emerging directly from bone rather than being separated from it by an obvious tendon?
- A.
  
  Fleshy attachment
- B.
  
  Indirect attachment
- C.
  
  Inversted attachement
- D.
  
  Insertion
- E.
  
  Origin
Correct Answer
A. Fleshy attachment

Explanation
A fleshy attachment refers to the connection of red muscular tissue directly to the bone, without the presence of a distinct tendon separating them. This means that the muscle appears to emerge directly from the bone, giving it a fleshy appearance.

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6.

The rectus femois is what muscle shape
- A.
  
  Fusiform
- B.
  
  Parallel
- C.
  
  Triangular
- D.
  
  Elongated
- E.
  
  Pennate
Correct Answer
E. Pennate

Explanation
The rectus femoris is a pennate muscle. Pennate muscles have fibers that are arranged obliquely to the tendon, resembling the shape of a feather. This arrangement allows for a greater number of muscle fibers to be packed into a smaller space, resulting in a stronger contraction. The pennate shape also provides increased stability and control during movement. Therefore, the rectus femoris, being a pennate muscle, has a structure that allows for efficient force generation and control.

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7.

What separates groups of mucles
- A.
  
  Epimysium
- B.
  
  Fasciles
- C.
  
  Perimysium
- D.
  
  Fascia
- E.
  
  Endomysium
Correct Answer
D. Fascia

Explanation
Fascia is the correct answer because it is a connective tissue that separates and surrounds groups of muscles. It provides support and protection to the muscles, allowing them to move independently and smoothly. Fascia also helps in distributing force and tension throughout the body, aiding in efficient movement and preventing injury.

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8.

Which term below best describes the deltoid
- A.
  
  Fusiform
- B.
  
  Intrinsic
- C.
  
  Involuntary
- D.
  
  Extrinsic
- E.
  
  Parallel
Correct Answer
D. Extrinsic

Explanation
The term "extrinsic" best describes the deltoid because it refers to a muscle that is located outside of or separate from the structure it is associated with. In the case of the deltoid, it is an extrinsic muscle of the shoulder, meaning it is located outside of the shoulder joint.

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Current Version
Mar 16, 2023

Quiz Edited by
ProProfs Editorial Team
Feb 21, 2012

Quiz Created by
Collectable99

Bio 251 Chapter 10 Muscles

The study of the muscular system is known as

All of the following are functions of muscles except

What term best describes the relationship between the pronator quadratus and supinator?

Muscle fibers are arranged in bundles called

Which of the following describes an appearance of red muscular tissue emerging directly from bone rather than being separated from it by an obvious tendon?

The rectus femois is what muscle shape

What separates groups of mucles

Which term below best describes the deltoid