Tag: skeletal system and muscles

Questions Related to skeletal system and muscles

In man the thoracic basket is composed of

evs bones skeletal system and muscles assimilation of food components and importance of food

  1. Ribs and thoracic vertebrae

  2. Ribs and sternum

  3. Ribs, sternum and vertebrae

  4. Ribs, sternum and thoracic vertebrae

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Correct Option: D
Explanation:

The dorsal, ventral and lateral Part of thoracic basket are respectively formed of thoracic vertebrae, sternum and ribs`.

Innominate is a

evs bones skeletal system and muscles assimilation of food components and importance of food

  1. Nerve

  2. Muscle

  3. Animal

  4. A Part of skeleton and honorary

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Correct Option: D
Explanation:

Half of the vertebrate pelvic girdle consists of three bones ilium, ischium and Pubis which fuse together in adult to be called innominate bone Chip bone).

Human vertebral column has

evs bones skeletal system and muscles assimilation of food components and importance of food

  1. Four curves

  2. No curves

  3. Three curves

  4. Two curves

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Correct Option: A
Explanation:

  • The vertebral column in adults have four curvatures and are classified as- primary or secondary curvatures.
1) The primary curves are the ones which are retained from the fetal curvature 
  • It is retained in two regions as the thoracic curve which consists of thoracic vertebrae and the sacrococcygeal curve.
2) Whereas, the secondary curvatures develop gradually after the birth as the child learns to sit upright, stand and walk.
  • The lumbar curve of the lower back is a secondary curvature.
  • So, the correct answer is 'Four curves'.

Which of the following bones helps in the formation of ribcage?

evs bones skeletal system and muscles assimilation of food components and importance of food

  1. Breastbone

  2. Backbone

  3. Shoulder bone

  4. Both A and B

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Correct Option: D
Explanation:

The breastbone is the flat bone which is located at the center of the chest. Ribs are attached to it forming ribcage. Backbone is the vertebrae extending from the skull to pelvis. The ribs are attached to vertebrae from behind.

Thus, the correct answer is option D.

Which of the following helps to maintain the structural framework of the body?

evs bones skeletal system and muscles assimilation of food components and importance of food

  1. Bones

  2. Muscles

  3. Blood

  4. Both A and B

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Correct Option: D
Explanation:

The bones and muscles together form the structural framework of the body. The skeleton  constitutes of bones and various types of joints. Muscles are attached to the bones, providing the strength needed for locomotion (movement).

Blood helps to transport gases like oxygen and carbondioxide, hormones, etc. to various parts of the body.
Thus, the bones and muscles together help to maintain the structural framework of the body by providing strength and power to perform work activities.