How Well Do You Know Your Spine?

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| By Jaksiboy

Jaksiboy

Community Contributor

Quizzes Created: 832 | Total Attempts: 12,196,345

Questions: 10 | Attempts: 536 | Updated: Mar 22, 2023

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The spine is an important part of the body that is composed of several interlocking bones that are separated and supported by many different ligaments and muscle. How well do you know your spine? Take our quiz to prove your knowledge of your spine.

Questions and Answers

1.

How many bones make up the spine?
- A.
  
  20
- B.
  
  30
- C.
  
  40
- D.
  
  33
Correct Answer
D. 33

Explanation
The spine is made up of 33 bones, known as vertebrae, which are stacked on top of each other. These vertebrae are divided into different regions: 7 cervical vertebrae in the neck, 12 thoracic vertebrae in the upper back, 5 lumbar vertebrae in the lower back, 5 sacral vertebrae fused together to form the sacrum, and 4 coccygeal vertebrae fused together to form the tailbone. Together, these bones provide support, flexibility, and protection to the spinal cord and allow us to stand, bend, and move.

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2.

The spine is also referred to as what?
- A.
  
  Brain
- B.
  
  Limb
- C.
  
  Back bone
- D.
  
  Skull
Correct Answer
C. Back bone

Explanation
The spine is also referred to as the back bone because it is the central support structure of the body, running from the base of the skull to the pelvis. It consists of a series of vertebrae stacked on top of each other, providing protection for the spinal cord and allowing for movement and flexibility. The spine plays a crucial role in supporting the body's weight, maintaining posture, and facilitating movement.

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3.

How many species of animal have spine?
- A.
  
  20,000
- B.
  
  30,000
- C.
  
  50,000
- D.
  
  40,000
Correct Answer
C. 50,000

Explanation
There are approximately 50,000 species of animals that have a spine. This includes vertebrates such as mammals, birds, reptiles, amphibians, and fish. The presence of a spine, or backbone, is a defining characteristic of these animals and provides support and protection for the central nervous system.

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4.

The upper spine is how many in number?
- A.
  
  30
- B.
  
  24
- C.
  
  22
- D.
  
  20
Correct Answer
B. 24

Explanation
The upper spine, also known as the cervical spine, consists of 7 vertebrae. The thoracic spine, which is located below the cervical spine, consists of 12 vertebrae. Therefore, the total number of vertebrae in the upper spine is 7 + 12 = 19. Since none of the given options match this number, the correct answer is not provided.

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5.

The lower spine is how many in number?
- A.
  
  10
- B.
  
  15
- C.
  
  12
- D.
  
  9
Correct Answer
D. 9

Explanation
The lower spine, also known as the lumbar spine, is made up of 9 vertebrae. These vertebrae are located in the lower back region of the spine and are responsible for providing support and flexibility to the body. The lumbar spine plays a crucial role in various movements such as bending, twisting, and lifting.

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6.

What is used to separate the spine at the upper region?
- A.
  
  Intervertebral discs
- B.
  
  Intervertebral paper
- C.
  
  Intervertebral nylon
- D.
  
  None of the above
Correct Answer
A. Intervertebral discs

Explanation
Intervertebral discs are used to separate the spine at the upper region. These discs are located between the vertebrae and act as shock absorbers, allowing for flexibility and movement in the spine. They consist of a tough outer layer called the annulus fibrosus and a gel-like inner core called the nucleus pulposus. The intervertebral discs play a crucial role in maintaining the overall health and function of the spine.

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7.

Which of the following is the shape of the upper cervical spine?
- A.
  
  Bend
- B.
  
  Curve
- C.
  
  Long
- D.
  
  Circle
Correct Answer
B. Curve

Explanation
The shape of the upper cervical spine is a curve. This is because the upper cervical spine, which consists of the first two vertebrae (atlas and axis), is designed to allow for rotation and movement of the head. The curve helps to distribute the weight of the head evenly and provides stability and flexibility to the neck.

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8.

What holds your spine together?
- A.
  
  Blood
- B.
  
  Veins
- C.
  
  Disc
- D.
  
  Spinal column
Correct Answer
A. Blood
9.

Can you live without a spine?
- A.
  
  Yes
- B.
  
  No
- C.
  
  No idea
- D.
  
  Uncertain
Correct Answer
B. No

Explanation
The answer is "No" because the spine is a vital part of the human body's structure and function. It provides support to the body, protects the spinal cord, and allows for movement and flexibility. Without a spine, a person would not be able to stand, walk, or perform basic physical activities. Therefore, it is not possible to live without a spine.

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10.

What happens when you break your spine?
- A.
  
  Death
- B.
  
  Unable to talk
- C.
  
  Unable to move
- D.
  
  None of the above
Correct Answer
C. Unable to move

Explanation
When you break your spine, it can result in damage to the spinal cord, which is responsible for transmitting signals between the brain and the rest of the body. This damage can lead to paralysis or loss of movement in the parts of the body below the site of the injury. Therefore, the correct answer is "Unable to move."

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