Skeletal System Trivia Quiz: Knowledge Test

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| By Mariateacher

Mariateacher

Community Contributor

Quizzes Created: 1 | Total Attempts: 1,454

Questions: 10 | Attempts: 1,454 | Updated: Mar 21, 2023

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Questions and Answers

1.

What's the smallest bone in the body?
- A.
  
  Patella
- B.
  
  Stirrup
- C.
  
  Thigh
- D.
  
  Teeny
Correct Answer
B. Stirrup

Explanation
The correct answer is "Stirrup." The stirrup, also known as the stapes, is the smallest bone in the human body. It is located in the middle ear and plays a crucial role in transmitting sound vibrations from the eardrum to the inner ear. The stirrup is approximately 2.8 to 3.3 millimeters in length, making it the tiniest bone in the body.

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2.

Bones meet at:
- A.
  
  Joints
- B.
  
  Liagments
- C.
  
  A local restaurant
- D.
  
  The rib cage
Correct Answer
A. Joints

Explanation
Bones meet at joints, which are the points where two or more bones come together. Joints allow for movement and flexibility in the skeletal system.

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1
0
3.

How many bones does an adult human have?
- A.
  
  500
- B.
  
  110
- C.
  
  206
- D.
  
  55
Correct Answer
C. 206

Explanation
An adult human has 206 bones. This is the correct answer because the human skeletal system is composed of 206 bones, which provide support, protect organs, and allow for movement.

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4.

The bones in your spine are called:
- A.
  
  Cartilage
- B.
  
  Little Bones
- C.
  
  Ribs
- D.
  
  Vertebrae
Correct Answer
D. Vertebrae

Explanation
The correct answer is Vertebrae. The bones in your spine are called vertebrae. These vertebrae are stacked on top of each other and form the vertebral column, which protects the spinal cord and provides support for the body. Each vertebra has a bony ring and a bony arch that surrounds and protects the spinal cord. The vertebrae are connected by intervertebral discs, which act as shock absorbers and allow for flexibility in the spine.

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5.

The patella is located in the:
- A.
  
  Knee
- B.
  
  Foot
- C.
  
  Ear
- D.
  
  Elbow
Correct Answer
A. Knee

Explanation
The patella is another name for kneecap

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6.

What's in the center of a bone?
- A.
  
  Cream filling
- B.
  
  Compact bone
- C.
  
  Cancellous bone
- D.
  
  Bone marrow
Correct Answer
D. Bone marrow

Explanation
Bone marrow is the correct answer because it is located in the center of a bone. Bone marrow is a soft, spongy tissue that is responsible for the production of blood cells, including red blood cells, white blood cells, and platelets. It also contains fat cells and provides support and nourishment to the surrounding bone tissue.

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7.

Your bones will stop growing by the time you're:
- A.
  
  93
- B.
  
  25
- C.
  
  30
- D.
  
  13
Correct Answer
B. 25

Explanation
Bones stop growing once a person reaches their full adult height, which typically occurs around the age of 25. After this age, the growth plates in the bones close and the bones solidify, preventing any further growth in length. While bones continue to undergo remodeling and repair throughout a person's life, they no longer grow in size or length after reaching adulthood. Therefore, the correct answer is 25.

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8.

How many bones are in the spine?
- A.
  
  1 million
- B.
  
  65
- C.
  
  26
- D.
  
  14
Correct Answer
C. 26

Explanation
The spine, also known as the vertebral column, is made up of 26 bones called vertebrae. These vertebrae are stacked on top of each other and are divided into different regions, including the cervical, thoracic, lumbar, sacral, and coccygeal regions. Each region has a specific number of vertebrae, with the cervical region having 7, the thoracic region having 12, the lumbar region having 5, the sacral region having 5 fused vertebrae, and the coccygeal region having 3-5 fused vertebrae. Therefore, the correct answer is 26.

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9.

The _________ bone protects your brain.
- A.
  
  Tail
- B.
  
  Shin
- C.
  
  Back
- D.
  
  Skull
Correct Answer
D. Skull

Explanation
The skull bone protects the brain. It forms a hard, bony structure that surrounds and encases the brain, providing it with physical protection from external forces. The skull also plays a crucial role in maintaining the shape and structure of the head and face.

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10.

The rib cage protects your:
- A.
  
  Liver
- B.
  
  Heart
- C.
  
  Lungs
- D.
  
  All of the above
Correct Answer
D. All of the above

Explanation
The rib cage is a bony structure that encloses and protects several vital organs in the chest cavity. The liver, heart, and lungs are all located within the rib cage. The liver, the largest internal organ, is protected by the lower ribs on the right side. The heart, a crucial organ for pumping blood, is surrounded and shielded by the rib cage. The lungs, responsible for breathing, are also housed within the rib cage and are protected from external damage. Therefore, all of the above organs are protected by the rib cage.

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Current Version
Mar 21, 2023

Quiz Edited by
ProProfs Editorial Team
Oct 14, 2009

Quiz Created by
Mariateacher

Skeletal System Trivia Quiz: Knowledge Test

What's the smallest bone in the body?

Bones meet at:

How many bones does an adult human have?

The bones in your spine are called:

The patella is located in the:

What's in the center of a bone?

Your bones will stop growing by the time you're:

How many bones are in the spine?

The _________ bone protects your brain.

The rib cage protects your: