Skeletal System By Ambulancecpd.Co.UK
Questions and Answers
- 1.
How many bones make up the framework of the skeleton?
- A.
206
- B.
207
- C.
208
- D.
209
- E.
210
- F.
200
- G.
203
Correct Answer
A. 206Explanation
The framework of the skeleton is made up of 206 bones.Rate this question:
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- 2.
Bones are made up of how many types of bone tissue?
- A.
2
- B.
6
- C.
7
- D.
3
Correct Answer
A. 2Explanation
Bones are made up of two types of bone tissue: compact bone and spongy bone. Compact bone is dense and forms the outer layer of bones, providing strength and protection. Spongy bone, also known as cancellous bone, is found inside the compact bone and has a porous structure. It helps to reduce the weight of the bone while still providing support. Together, these two types of bone tissue work together to maintain the structure and function of the skeletal system.Rate this question:
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- 3.
Which type of bone has a high stress bearing capability?
- A.
Dense
- B.
Spongy
Correct Answer
A. DenseExplanation
Dense bone has a high stress bearing capability. This is because dense bone, also known as compact bone, is made up of tightly packed layers of bone tissue. It provides strength and support to the skeleton, making it able to withstand high amounts of stress and pressure. Spongy bone, on the other hand, is less dense and has a more porous structure, making it better suited for shock absorption and providing a lightweight framework.Rate this question:
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- 4.
Which one contains red marrow?
- A.
Spongy
- B.
Compact
Correct Answer
A. SpongyExplanation
Spongy bone contains red marrow. Red marrow is responsible for the production of red blood cells, white blood cells, and platelets. It is found in the spongy bone, which is also known as cancellous bone. Spongy bone has a porous and lattice-like structure that provides strength and support to the bone while allowing the bone marrow to occupy the spaces within. Compact bone, on the other hand, is denser and forms the outer layer of bones, providing protection and stability. However, it does not contain red marrow.Rate this question:
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- 5.
Bones are covered by a dense, fibrous membrane called?
- A.
Periosteum
- B.
Muscle
- C.
Blood
- D.
Cartilage
- E.
Ligaments
- F.
Tendons
Correct Answer
A. PeriosteumExplanation
Bones are covered by a dense, fibrous membrane called periosteum. The periosteum serves as a protective layer for the bones, providing them with nourishment and blood supply. It also plays a crucial role in bone growth, repair, and regeneration. Without the periosteum, bones would be more susceptible to damage and would lack the necessary support for their functions.Rate this question:
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- 6.
Where one bone joins another a layer of (?) sperates the bone and reduces friction.
- A.
Cartilage
- B.
Periosteum
- C.
Ligaments
- D.
Tendons
Correct Answer
A. CartilageExplanation
Cartilage is a type of connective tissue that acts as a cushion between bones at the point where they meet, known as a joint. It provides a smooth surface that reduces friction between the bones during movement. This layer of cartilage helps to absorb shock and distribute pressure evenly across the joint, allowing for smooth and painless movement.Rate this question:
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- 7.
Bones of the skeleton are classified into different shapes which ones of the following are correct?
- A.
Long
- B.
Short
- C.
Flat
- D.
Irregular
- E.
Sesamoid
- F.
Axial
- G.
Appendicular
Correct Answer(s)
A. Long
B. Short
C. Flat
D. Irregular
E. SesamoidExplanation
The bones of the skeleton are classified into different shapes. Long bones are characterized by their elongated shape, with a shaft and two ends. Short bones are cube-shaped and provide stability and support. Flat bones are thin and flat, providing protection to internal organs. Irregular bones have complex shapes and do not fit into the other categories. Sesamoid bones are small, round bones found within tendons. Axial bones are those that make up the central axis of the body, including the skull, vertebral column, and ribcage. Appendicular bones are those that make up the limbs and their attachments to the axial skeleton.Rate this question:
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- 8.
The skeleton is divided into two divisions which are they?
- A.
Axial skeleton
- B.
Appendicular skeleton
- C.
The Skull
- D.
Thoracic cage
- E.
Lower limbs
Correct Answer(s)
A. Axial skeleton
B. Appendicular skeletonExplanation
The skeleton is divided into two divisions: the axial skeleton and the appendicular skeleton. The axial skeleton includes the skull and thoracic cage, which protect vital organs such as the brain and heart. The appendicular skeleton consists of the lower limbs, which provide support and enable movement.Rate this question:
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- 9.
The functions of the skeletal system are?
- A.
Support
- B.
Proection
- C.
Movement
- D.
Mineral storage
- E.
Blood cell production
- F.
Starage of energy
- G.
Run / walk
Correct Answer(s)
A. Support
B. Proection
C. Movement
D. Mineral storage
E. Blood cell production
F. Starage of energyExplanation
The skeletal system has several functions. It provides support to the body, maintaining its structure and allowing us to stand upright. It also protects vital organs such as the brain, heart, and lungs. The skeletal system is involved in movement, as it provides attachment points for muscles and allows us to perform various actions. It serves as a storage site for minerals like calcium and phosphorus, which are essential for bone health. Additionally, the skeletal system plays a role in blood cell production, specifically in the bone marrow. It is not directly involved in energy storage, but it does support the muscles and other tissues that store energy.Rate this question:
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- 10.
The axial skeleton is made up of?
- A.
The skull
- B.
The spine
- C.
The thoracic cage
- D.
Lower limbs
- E.
Upper limbs
Correct Answer(s)
A. The skull
B. The spine
C. The thoracic cageExplanation
The axial skeleton is made up of the skull, spine, and thoracic cage. The skull forms the structure of the head and protects the brain. The spine, also known as the vertebral column, consists of individual vertebrae that support the body and protect the spinal cord. The thoracic cage includes the ribs and sternum, forming a protective cage around the organs in the chest, such as the heart and lungs. The lower limbs and upper limbs are not part of the axial skeleton, but rather belong to the appendicular skeleton, which includes the bones of the limbs and their associated girdles.Rate this question:
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- 11.
The spine is made up of how many bones?
- A.
33
- B.
25
- C.
20
- D.
35
- E.
40
- F.
31
- G.
32
Correct Answer
A. 33Explanation
The spine is made up of 33 bones. The human spine is composed of a series of individual bones called vertebrae, which are stacked on top of each other. There are 33 vertebrae in total, including 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 coccyx. Each vertebra plays a crucial role in supporting the body, protecting the spinal cord, and allowing for movement.Rate this question:
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- 12.
How many cervical vertebrae are there?
- A.
7
- B.
12
- C.
5
- D.
4
- E.
6
- F.
2
- G.
3
Correct Answer
A. 7Explanation
There are 7 cervical vertebrae in the human body. The cervical vertebrae are the smallest and uppermost vertebrae in the spine, located in the neck region. They provide support and flexibility to the head and neck, allowing for various movements such as rotation and bending. The number 7 is the correct answer because it accurately represents the number of cervical vertebrae in the human body.Rate this question:
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- 13.
How many thoracic vertebrae are there?
- A.
7
- B.
12
- C.
5
- D.
4
- E.
6
- F.
2
- G.
3
Correct Answer
B. 12Explanation
There are 12 thoracic vertebrae in the human body. The thoracic vertebrae are located in the middle region of the spine, between the cervical and lumbar vertebrae. They are larger and stronger than the cervical vertebrae and have a unique structure that allows for the attachment of the ribs. The number of thoracic vertebrae remains constant in most individuals, with 12 being the typical number.Rate this question:
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- 14.
How many lumbar vertebrae are there?
- A.
7
- B.
12
- C.
5
- D.
4
- E.
6
- F.
2
- G.
3
Correct Answer
C. 5Explanation
The correct answer is 5. The lumbar vertebrae are located in the lower back region of the spine. There are typically five lumbar vertebrae in the human body. These vertebrae are larger and stronger than the other vertebrae in the spine, as they support most of the body's weight and allow for movement and flexibility in the lower back.Rate this question:
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- 15.
How many sacrum vertebrae are there?
- A.
7
- B.
12
- C.
5
- D.
4
- E.
6
- F.
2
- G.
3
Correct Answer
C. 5Explanation
The sacrum is a triangular-shaped bone located at the base of the spine, formed by the fusion of five vertebrae. Therefore, the correct answer is 5.Rate this question:
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- 16.
How many coccyx vertebrae are there?
- A.
7
- B.
12
- C.
5
- D.
4
- E.
6
- F.
2
- G.
3
Correct Answer
D. 4Explanation
The correct answer is 4 because the coccyx, also known as the tailbone, is made up of four fused vertebrae at the base of the spine. These vertebrae are small and triangular in shape.Rate this question:
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- 17.
In total how many ribs does a human have?
- A.
24
- B.
12
- C.
11
- D.
10
- E.
7
- F.
2
- G.
8
Correct Answer
A. 24Explanation
12 either sideRate this question:
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- 18.
The upper 7 pairs of ribs are called ?
- A.
True ribs
- B.
False ribs
Correct Answer
A. True ribsExplanation
The upper 7 pairs of ribs are called true ribs because they directly attach to the sternum (breastbone) through their own costal cartilage, providing direct support and protection to the thoracic cavity. False ribs, on the other hand, do not directly attach to the sternum but rather connect to the cartilage of the rib above them, making them less directly connected and less protective.Rate this question:
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- 19.
How many pairs false ribs does a human have?
- A.
3
- B.
7
- C.
12
- D.
33
Correct Answer
A. 3Explanation
A human has 3 pairs of false ribs. The false ribs are the last five pairs of ribs in the ribcage, which are not directly connected to the sternum. Instead, they are attached to the cartilage of the rib above them. The first seven pairs of ribs are true ribs, as they are directly connected to the sternum. The remaining five pairs are false ribs, with three pairs being attached indirectly and the last two pairs being floating ribs, not attached to the sternum at all.Rate this question:
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- 20.
How many pairs of floating ribs does a human have?
- A.
2
- B.
3
- C.
5
- D.
12
- E.
7
Correct Answer
A. 2Explanation
A human has two pairs of floating ribs. Unlike the upper ribs, which are attached to the sternum, the floating ribs are not connected to the sternum at all. They are only attached to the vertebrae in the back, providing less stability and flexibility to the ribcage. Therefore, there are only two pairs of floating ribs in a human body.Rate this question:
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- 21.
Which one attaches one bone to another?
- A.
Ligaments
- B.
Tendons
- C.
Muscle
Correct Answer
A. LigamentsExplanation
Ligaments are the correct answer because they are tough bands of fibrous connective tissue that attach one bone to another bone. They provide stability and strength to the joints by preventing excessive movement or dislocation. Tendons, on the other hand, attach muscles to bones, and muscles are responsible for movement and generating force.Rate this question:
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- 22.
The skeleton is divided in to two sections. In this picture the area highlighted yellow is called?
- A.
Axial skeleton
- B.
Appendicular skeleton
Correct Answer
A. Axial skeletonExplanation
In the given picture, the highlighted yellow area represents the central core of the skeleton, which includes the skull, vertebral column, and rib cage. This section is responsible for providing support and protection to the vital organs and structures in the body. Therefore, it is referred to as the axial skeleton. On the other hand, the appendicular skeleton refers to the bones of the limbs and their attachments to the axial skeleton.Rate this question:
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- 23.
The skeleton is divided in to two sections. In this picture the area highlighted green is called?
- A.
Axial skeleton
- B.
Appendicular skeleton
Correct Answer
B. Appendicular skeletonExplanation
The area highlighted in green in the picture is called the appendicular skeleton. The appendicular skeleton consists of the bones that make up the limbs and the girdles that connect them to the axial skeleton. This includes the bones of the arms, legs, shoulders, and pelvis. The axial skeleton, on the other hand, includes the bones of the skull, spine, and ribcage.Rate this question:
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- 24.
Question from: Tortora Principles of Anatomy and Physiology 12 editionQ: Bone is composed of how many different types of tissues working together
- A.
7
- B.
4
- C.
2
- D.
8
Correct Answer
A. 7Explanation
Answer on page 175Rate this question:
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- 25.
Question from: Tortora Principles of Anatomy and Physiology 12 editionQ: Bone make up how much of the body weight?
- A.
18%
- B.
22%
- C.
30%
- D.
60%
Correct Answer
A. 18%Explanation
Answer on page 176Rate this question:
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- 26.
Question from: Tortora Principles of Anatomy and Physiology 12 editionQ: What percentage of the body calcium is stored in bones?
- A.
99%
- B.
80%
- C.
50%
- D.
60%
Correct Answer
A. 99%Explanation
The correct answer is 99%. Calcium is a vital mineral that is primarily stored in bones and teeth. It plays a crucial role in maintaining bone health and strength. About 99% of the body's calcium is stored in the bones, while the remaining 1% is found in the blood and soft tissues, where it is involved in various physiological processes.Rate this question:
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- 27.
Question from: Tortora Principles of Anatomy and Physiology 12 editionQ: The long part of a bone the shaft is also known as the?
- A.
Diaphysis
- B.
Epihyses
Correct Answer
A. DiapHysisExplanation
Answer on page 176Rate this question:
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- 28.
Question from: Tortora Principles of Anatomy and Physiology 12 editionQ: Between what age groups is the epiphyseal plate replaced by bone?
- A.
18 to 21
- B.
1 to 18
Correct Answer
A. 18 to 21Explanation
Answer on page 176Rate this question:
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- 29.
Question from: Tortora Principles of Anatomy and Physiology 12 editionQ: What is the name of the fibrous layer surrounding the bone?
- A.
Periosteum
- B.
Endosteum
- C.
Articular cartilage
Correct Answer
A. PeriosteumExplanation
Answer on page 176Rate this question:
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- 30.
Question from: Tortora Principles of Anatomy and Physiology 12 editionQ: The periosteum is made up of how many layers?
- A.
2
- B.
1
- C.
5
- D.
3
Correct Answer
A. 2Explanation
Answer on page 176Rate this question:
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- 31.
Question from: Tortora Principles of Anatomy and Physiology 12 edition:The medullary cavity contains red blood cells in adults?
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Answer on page 176Rate this question:
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- 32.
Question from: Tortora Principles of Anatomy and Physiology 12 editionQ: Which cells create bone?
- A.
Osteoblates
- B.
Osteoclasts
- C.
Ostecytes
- D.
Osteogenic cells
Correct Answer
A. OsteoblatesExplanation
Answer on page 178Rate this question:
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- 33.
Question from: Tortora Principles of Anatomy and Physiology 12 editionQ: Osteogenic cells are found in inner or outer layer of the periosteum?
- A.
Inner
- B.
Outer
Correct Answer
A. InnerExplanation
Answer on page 176Rate this question:
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- 34.
Question from: Tortora Principles of Anatomy and Physiology 12 editionQ: Which of the following are mature bone cells
- A.
Osteoblates
- B.
Osteoclasts
- C.
Ostecytes
- D.
Osteogenic cells
Correct Answer
C. OstecytesExplanation
Answer on page 178Rate this question:
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- 35.
Question from: Tortora Principles of Anatomy and Physiology 12 editionQ: Osteoclasts are concentrated in the?
- A.
Endosteum
- B.
Periosteum
Correct Answer
A. EndosteumExplanation
Answer on page 178Rate this question:
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- 36.
Question from: Tortora Principles of Anatomy and Physiology 12 editionQ: Blood supply & nerves enter the diaphysis through?
- A.
Volkmann's canals
- B.
Central canals
Correct Answer
A. Volkmann's canalsExplanation
Answer on page 180Rate this question:
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