The Skeletal System (GATE)
Skeletal anatomy including bones, vertebrae, joints, and related structures
Questions
In which of the following conditions does the spine of a person resemble an S or a C shape instead of a straight line?
- Pott's disease
- Lordosis
- Kyphosis
- Scoliosis
Bone cells release a hormone called osteocalcin. Which of the following functions is not performed by this hormone?
- Protein formation in associated muscles
- Calcium ion homeostasis
- Regulation of blood sugar
- Directing fat cells to release adiponectin
Sternal angle is a synarthrotic joint formed by the articulation of manubrium and body of the sternum. Which of the following vertebrae lies at the sternal angle?
- Third thoracic vertebra
- Fifth thoracic vertebra
- Sixth thoracic vertebra
- Seventh thoracic vertebra
Which of the following statements regarding the first rib is true?
- It has a complete costal facet on its body.
- It is at the level of pylorus.
- It is defined as the true rib.
- It is the shortest of all the ribs.
Which of the following bones separates nasal cavity from the brain?
- Ethmoid bone
- Hyoid bone
- Sphenoid bone
- Zygomatic bone
In which respective ratio are the following bones arranged in human skull?
Inferior nasal concha, lacrimal bones, mandibles and vomer
- 1 : 2 : 2 : 1
- 2 : 1 : 2 : 1
- 2 : 2 : 1 : 1
- 1 : 2 : 1 : 2
Which of the following is the unmineralised, organic portion of the bone matrix that is formed prior to the maturation of bone tissue?
- Osteoblast
- Osteoid
- Osteocyte
- Osteoclast
There are seven processes projecting from the vertebrae. Which of the following processes have their facets directed forward, a little medialward and downward?
- Superior articular processes
- Inferior articular processes
- Transverse processes
- Spinous processes
Which of the following joints plays an important role in complex movements, like changing a bulb or painting a ceiling?
- Acromioclavicular joint
- Scapulocostal joint
- Suprahumeral joint
- Glenohumeral joint
Which of the following represents the lower end of the spinal cord?
- Coccyx
- Cauda equina
- Conus medullaris
- Filum terminale
Bones are composed of calcium, chondroitin sulphate and hydroxyapatite. Hydroxyapatite is composed of calcium, oxygen, phosphorus and hydrogen. What percentage of calcium is present in the bones?
- 18.5%
- 41.4%
- 39.8%
- 70%
The cartilaginous part of cranium forms bones at the base of skull. It is known as
- neurocranium
- viscerocranium
- splanchnocranium
- chondrocranium
Which of the following structures provides support for the pelvic viscera (bladder, intestines and uterus)?
- Pelvic floor
- Pelvic cavity
- Perineum
- Pelvic girdle
In which of the following disorders does the fusion of any two of seven cervical vertebrae occur?
- Klippel–Feil syndrome
- Spina bifida
- Duane syndrome
- Sprengel's deformity
The upper part of the sternum is quadrangular in shape that narrows from the top. It is called
- gladiolus
- manubrium
- xiphoid process
- clavicle