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Locomotion and Movement · Question 44

AIPMT 2012 (Prelims)MCQEasy📈 Topic in 50% papers+4−1
1

Select the correct statement regarding the specific disorder of muscular or skeletal system.

  1. Muscular dystrophy – Age related shortening of muscles
  2. Osteoporosis – Decrease in bone mass and higher chances of fractures with advancing age
  3. Myasthenia gravis – Autoimmune disorder which inhibits sliding of myosin filaments
  4. Gout – Inflammation of joints due to extra deposition of calcium

Answer

(2) Osteoporosis – Decrease in bone mass and higher chances of fractures with advancing age

Solution

⇒ As per NCERT, muscular dystrophy is progressive degeneration of skeletal muscle, mostly due to a genetic disorder; (1) is wrong.

⇒ Myasthenia gravis is an autoimmune disorder affecting the neuromuscular junction, leading to fatigue, weakening and paralysis of skeletal muscle; (3) is wrong.

⇒ Gout is inflammation of joints due to accumulation of uric acid crystals; (4) is wrong.

∵ Osteoporosis is an age-related disorder characterised by decreased bone mass and increased chances of fractures; decreased levels of estrogen is a common cause.

∴ Statement (2) is correct.

Answer: (2)

AIPMT 2012 (Prelims)

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2

Three of the following pairs of the human skeletal parts are correctly matched with their respective inclusive skeletal category and one pair is not matched. Identify the non-matching pair.

  1. array|l|l| Pair of skeletal parts & Category \ Sternum and ribs & Axial skeleton \ array
  2. array|l|l| Pair of skeletal parts & Category \ Clavicle and glenoid & Pelvic girdle \ array
  3. array|l|l| Pair of skeletal parts & Category \ Humerus and ulna & Appendicular skeleton \ array
  4. array|l|l| Pair of skeletal parts & Category \ Malleus and stapes & Ear ossicles \ array
AIPMT 2011 (Prelims)
3

Which one of the following pairs of structures is correctly matched with their correct description?

  1. Structure Tibia and fibula, Description Both form parts of knee joint
  2. Structure Shoulder joint and elbow joint, Description Ball and socket type of joint
  3. Structure Cartilage and cornea, Description No blood supply but do require oxygen for respiratory need
  4. Structure Premolars and molars, Description 20 in all and 3-rooted
AIPMT 2010 (Mains)
4

Which one of the following is the correct description of a certain part of a normal human skeleton?

  1. Parietal bone and the temporal bone of the skull are joined by fibrous joint.
  2. First vertebra is axis which articulates with the occipital condyles.
  3. The 9th and 10th pairs of ribs are called the floating ribs.
  4. Glenoid cavity is a depression to which the thigh bone articulates.
AIPMT 2010 (Prelims)
5

Low Ca++ in the body fluid may be the cause of

  1. tetany
  2. anaemia
  3. angina pectoris
  4. gout
AIPMT 2010 (Prelims)
6

Which one of the following is the correct matching of three items and their grouping category?

  1. array|l|l| Items & Group \ Ilium, ischium, pubis & Coxal bones of pelvic girdle \ array
  2. array|l|l| Items & Group \ Actin, myosin, rhodopsin & Muscle proteins \ array
  3. array|l|l| Items & Group \ Cytosine, uracil, thiamine & Pyrimidines \ array
  4. array|l|l| Items & Group \ Malleus, incus, cochlea & Ear ossicles \ array
AIPMT 2009
7

Elbow joint is an example of

  1. hinge joint
  2. gliding joint
  3. ball and socket joint
  4. pivot joint.
AIPMT 2009
8

Which one of the following items gives its correct total number?

  1. Types of diabetes-3
  2. Cervical vertebrae in humans-8
  3. Floating ribs in humans-4
  4. Amino acids found in proteins-16
AIPMT 2007
9

In human body, which one of the following is anatomically correct?

  1. Collar bones - 3 pairs
  2. Salivary glands - 1 pair
  3. Cranial nerves - 10 pairs
  4. Floating ribs - 2 pairs
AIPMT 2007
10

The contractile protein of skeletal muscle involving ATPase activity is

  1. troponin
  2. tropomyosin
  3. myosin
  4. -actinin.
AIPMT 2006
11

An acromion process is characteristically found in the

  1. pelvic girdle of mammals
  2. pectoral girdle of mammals
  3. skull of frog
  4. sperm of mammals.
AIPMT 2005

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