Skeletal system, joints and disorders
- Match List I with List II :List I:A. Fibrous jointsB. Cartilaginous jointsC. Hinge jointsD. Ball and socket jointsList II:I. Adjacent vertebrae, limited movementII. Humerus and Pectoral girdle, rotational movementIII. Skull, don't allow any movementI… Answer: 1. A-III, B-I, C-IV, D-II Fibrous joints (skull sutures) allow no movement (A-III). Cartilaginous joints between adjacent vertebrae... 1
- Match List I with List II.List I (Type of Joint): A. Cartilaginous Joint; B. Ball and Socket Joint; C. Fibrous Joint; D. Saddle JointList II (Found between): I. Between flat skull bones; II. Between adjacent vertebrae in vertebral column; III. Betwee… Answer: 3. A-II, B-IV, C-I, D-III Key idea: Match each joint with its location. Cartilaginous joint: between adjacent vertebrae (II). Ball a... 1
- Which of the following is a correct match for disease and its symptoms ? Answer: 2. Arthritis - Inflammed joints Key idea: Check each disease against its true description. Muscular dystrophy is a genetic disorder,... 1
- Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).Assertion (A) :Osteoporosis is characterised by decreased bone mass and increased chances of fractures.Reason (R) :Common cause of osteoporosis… Answer: 4. (A) is correct but (R) is not correct Key idea: Osteoporosis is linked to a fall in estrogen, not a rise. (A) is correct: osteopo... 1
- Which of the following is present between the adjacent bones of the vertebral column ? Answer: 3. Cartilage Key idea: Adjacent vertebrae are separated by intervertebral discs made of fibrocartilage. These cartilaginous discs ac... 1
- Match List - I with List - II.List - I / List - II(a) Scapula (i) Cartilaginous joints(b) Cranium (ii) Flat bone(c) Sternum (iii) Fibrous joints(d) Vertebral column (iv) Triangular flat boneChoose the correct answer from the options given below. Answer: 4. (a)-(iv), (b)-(iii), (c)-(ii), (d)-(i) Scapula - triangular flat bone (iv) Cranium - fibrous joints (sutures) (iii) Sternum - fla... 1
- Chronic auto immune disorder affecting neuro muscular junction leading to fatigue, weakening and paralysis of skeletal muscle is called as : Answer: 3. Myasthenia gravis An autoimmune attack on the neuromuscular junction causing fatigue and paralysis of skeletal muscle is myasthen... 1
- Match the following columns and select the correct option.Column - I | Column - II(a) Floating Ribs | (i) Located between second and seventh ribs(b) Acromion | (ii) Head of the Humerus(c) Scapula | (iii) Clavicle(d) Glenoid cavity | (iv) Do not conne… Answer: 4. (a) (iv), (b) (iii), (c) (i), (d) (ii) Floating ribs (11th and 12th) do not connect with the sternum: (a) - (iv). Acromion is a p... 1
- Select the correct option. Answer: 4. There are seven pairs of vertebrosternal, three pairs of vertebrochondral and two pairs of vertebral ribs. Key idea: Humans have... 1
- The pivot joint between atlas and axis is a type of : Answer: 2. synovial joint Key idea: Joints that allow free movement are synovial. The atlas-axis joint (the odontoid process turning in a ri... 1
- Out of 'X' pairs of ribs in humans only 'Y' pairs are true ribs. Select the option that correctly represents values of X and Y and provides their explanation : Answer: 4. X=12, Y=7 True ribs are attached dorsally to vertebral column and ventrally to the sternum. Key idea: Humans have 12 pairs of rib... 1
- Osteoporosis, an age-related disease of skeletal system, may occur due to Answer: 2. decreased level of estrogen Osteoporosis is a loss of bone mass that makes bones fragile. It is common after menopause or in old... 1