Bones And Muscles Test
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Questions and Answers
- 1.
There are _______ bones in the human body
- A.
206
- B.
408
- C.
100
- D.
306
Correct Answer
A. 206Explanation
The human body has 206 bones.Rate this question:
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- 2.
Which two bones fuse together after birth to each form one bone?
- A.
Mandible and cranium
- B.
Cranium and pelvic girdle
- C.
Spine and cranium
- D.
Tibia and fibula
Correct Answer
B. Cranium and pelvic girdleExplanation
After birth, the cranium and pelvic girdle fuse together to form one bone. The cranium is the skull, which protects the brain, while the pelvic girdle is the structure that connects the spine to the lower limbs. As the body develops, these two bones gradually merge to create a single, solid bone structure. This fusion is important for providing stability and support to the body, particularly during movement and weight-bearing activities.Rate this question:
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- 3.
Bones grow by getting longer ____________
- A.
In the middle
- B.
When the nerves make them grow
- C.
At the ends
- D.
When the muscle pull on them
Correct Answer
C. At the endsExplanation
Bones grow by getting longer at the ends. This is because the growth plates, located at the ends of the long bones, are responsible for bone growth. These growth plates contain cartilage cells that divide and multiply, leading to new bone formation. As the new bone is formed, it pushes the ends of the bone further apart, resulting in bone growth.Rate this question:
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- 4.
__________ is the soft material connecting ribs to the sterum
- A.
Cartilage
- B.
Tendons
- C.
Ligaments
- D.
Nerves
Correct Answer
A. CartilageExplanation
Cartilage is the soft material connecting ribs to the sternum. It is a flexible connective tissue that provides support and structure to the body. It acts as a cushion between bones, allowing for smooth movement and preventing friction. Cartilage is found in various parts of the body, including the ribs, where it helps to attach them to the sternum, providing stability and allowing for the expansion and contraction of the ribcage during breathing.Rate this question:
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- 5.
Bones have a thin sheet of outer tissue that cover them, this tissue is called ____________
- A.
The nerve liner
- B.
The periosteum
- C.
The bone cover
- D.
The marrow
Correct Answer
B. The periosteumExplanation
The correct answer is the periosteum. The periosteum is a thin sheet of outer tissue that covers bones. It provides protection and nourishment to the bone, as well as serving as a point of attachment for tendons and ligaments. It also contains blood vessels and nerve endings, which help in sensing pain and transmitting signals. The periosteum plays a crucial role in bone growth, repair, and remodeling.Rate this question:
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- 6.
Muscles work in ___________ pairs
- A.
Opposing
- B.
Connecting
- C.
Unity
- D.
Three
Correct Answer
A. OpposingExplanation
Muscles work in opposing pairs because they have to work together to create movement. When one muscle contracts, the other muscle in the pair relaxes, allowing for smooth and coordinated movement. This is known as antagonistic muscle action. For example, when you bend your elbow, your biceps muscle contracts and your triceps muscle relaxes. When you straighten your elbow, the triceps muscle contracts and the biceps muscle relaxes. This opposing action allows for controlled and efficient movement.Rate this question:
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- 7.
The cords that tie muscle to muscle or bone to muscle is
- A.
Tendons
- B.
Ligaments
- C.
Cartilage
- D.
Bone marrow
Correct Answer
A. TendonsExplanation
Tendons are the correct answer because they are the fibrous cords that connect muscles to bones or muscles to other muscles in the body. They are strong and flexible, allowing for movement and stability in the joints. Ligaments, on the other hand, connect bones to other bones, while cartilage is a connective tissue that provides cushioning and support in the joints. Bone marrow, on the other hand, is a soft tissue found inside bones that produces blood cells.Rate this question:
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- 8.
Cords that attached bone to bone is called
- A.
Tendons
- B.
Ligaments
- C.
Cartilage
- D.
Bone marrow
Correct Answer
B. LigamentsExplanation
Ligaments are the cords that attach bone to bone. They are tough and fibrous connective tissues that provide stability and support to joints. Ligaments help to prevent excessive movement and maintain the proper alignment of bones during physical activities. Unlike tendons, which attach muscles to bones, ligaments specifically connect bones together. Cartilage, on the other hand, is a flexible connective tissue that covers the ends of bones and provides cushioning. Bone marrow, located inside bones, is responsible for producing blood cells.Rate this question:
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- 9.
Muscle must __________ in order for the muscle to move
- A.
Swell up
- B.
Lengthening (extend)
- C.
Contract (shorten)
- D.
Shrink down
Correct Answer
C. Contract (shorten)Explanation
Muscles must contract in order for movement to occur. When a muscle contracts, it shortens in length, pulling on the tendons and causing movement at the joints. This contraction is the result of the sliding of actin and myosin filaments within the muscle fibers. Therefore, the correct answer is "contract (shorten)".Rate this question:
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- 10.
The soft jelly-like tissue in the middle of certain bones is called
- A.
Marrow
- B.
Bllood cells
- C.
Stem cells
- D.
Mush
Correct Answer
A. MarrowExplanation
Marrow is the correct answer because it is the soft jelly-like tissue found in the middle of certain bones. It is responsible for producing blood cells, including red blood cells, white blood cells, and platelets. Marrow also contains stem cells, which have the ability to differentiate into various types of blood cells. This tissue plays a crucial role in maintaining a healthy blood supply and immune system.Rate this question:
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- 11.
Bone are so light they make up ___________ % of your body's weight
- A.
Half
- B.
All
- C.
14
- D.
60
Correct Answer
C. 14Explanation
Bones are lightweight compared to other body tissues, accounting for approximately 14% of a person's body weight.Rate this question:
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- 12.
A disease of the muscles that is characterized by the loss of bone mass, make the bones weak is called
- A.
A fracture
- B.
Osteoporosis
- C.
Arthritis
- D.
A bone splint
Correct Answer
B. OsteoporosisExplanation
Osteoporosis is a disease that affects the muscles and is characterized by the loss of bone mass, which makes the bones weak. This condition increases the risk of fractures and can lead to bone fractures even with minor trauma or stress on the bones. The other options, such as fracture, arthritis, and bone splint, do not accurately describe the disease of the muscles and the loss of bone mass.Rate this question:
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- 13.
A disease of the bone that inflames the joints, causing pain, swelling, stiffness and deformity is called
- A.
A fracture
- B.
Osteoporosis
- C.
Arthritis
- D.
A bone splint
Correct Answer
C. ArthritisExplanation
Arthritis is a disease of the bone that inflames the joints, causing pain, swelling, stiffness, and deformity. It is a chronic condition that can affect any joint in the body, including the hands, knees, hips, and spine. Arthritis is caused by various factors, including age, genetics, and autoimmune disorders. It can significantly impact a person's quality of life and may require medical treatment, physical therapy, and lifestyle modifications to manage symptoms and prevent further joint damage.Rate this question:
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- 14.
Which disease of the muscular syetem cause wide spread pain?
- A.
Fibromyalgia
- B.
Musculardystrophy
- C.
Arthritis
- D.
Osteoporosis
Correct Answer
A. FibromyalgiaExplanation
Fibromyalgia is a disease of the muscular system that causes widespread pain. It is characterized by chronic pain, fatigue, and tenderness in specific areas of the body. The exact cause of fibromyalgia is unknown, but it is believed to involve a combination of genetic and environmental factors. The pain associated with fibromyalgia can vary in intensity and may be accompanied by other symptoms such as sleep disturbances, headaches, and cognitive difficulties.Rate this question:
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- 15.
Which disease of the muscular system is genetic and cause the muscles to become weak
- A.
Fibromyalgia
- B.
Musculardystrophy
- C.
Arthritis
- D.
Osteoporosis
Correct Answer
B. MusculardystrophyExplanation
Muscular dystrophy is a genetic disease that causes the muscles to become weak. It is a group of disorders characterized by progressive muscle weakness and degeneration. The condition is caused by mutations in genes responsible for the structure and function of muscle fibers. This leads to the gradual breakdown and loss of muscle tissue, resulting in weakness and difficulty in performing everyday activities. Muscular dystrophy can affect various muscles in the body, including those responsible for movement, breathing, and heart function.Rate this question:
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Current Version
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Mar 22, 2023Quiz Edited by
ProProfs Editorial Team -
Nov 04, 2011Quiz Created by
Ldeitz
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