17409.Ilium, ischium, and pubis join at the ______ to form coxal bone.
Acetabulum
Ilium
Sternum
Glenoid cavity
17414.One of the following is a vertebrate bone and directly develops from mesenchyme.
Dermal bone
Endochondral bone
Replacing bone
None of these
17415.A skeletal muscle which decreases the angle between two bones and bends a joint is
Flexor
Abductor
Extensor
Adductor
17416.______ acts as a shock absorber to cushion when tibia and femur come together.
Tendon
Cartilage
Ligament
Disc
17417.Match the following and choose the correct option.
| Type of Synovial Joint | Bones Involved |
|---|---|
| a. Ball and socket | 1. Carpal and metacarpal of thumb |
| b. Hinge | 2. Atlas and axis |
| c. Pivot | 3. Frontal and parietal |
| d. Saddle | 4. Knee |
| 5. Humerus and pectoral girdle |
a - 5, b - 4, c - 2, d - 1
a - 1, b - 3, c - 4, d - 5
a - 5, b - 4, c - 3, d - 1
a - 1, b - 2, c - 5, d - 4
17421.The supportive skeletal structures in the human external ears and in the nose tip are examples of ______.
Ligament
Areolar tissue
Bone
Cartilage