An in-bending of the lower vertebral column is called

Correct Answer: A

Rationale: Lordosis is an exaggerated inward curvature of the lower spine (lumbar region). Scoliosis is lateral deviation, kyphosis is outward curvature (hunchback), and spina bifida is a congenital defect, not a curvature.

Correct Answer: D

Rationale: The axial skeleton includes the skull (22 bones), vertebral column (26 bones), ribs (24 bones), and sternum (1 bone), totaling 80 bones. The appendicular skeleton has 126 bones, making 90 and 126 incorrect, and 60 too low for the axial components.

Correct Answer: A

Rationale: Ligaments are fibrous connective tissues that connect bones to other bones, stabilizing joints (e.g., in the knee or ankle). This distinguishes them from tendons (muscle to bone), making ‘True’ the correct answer.

Correct Answer: B

Rationale: Sutures are the serrated, immovable joints connecting cranial bones, such as the coronal or sagittal sutures. 'Sews' and 'stitches' relate to sewing, not anatomy, making 'sutures' the precise term.

Correct Answer: B

Rationale: The maxillary bones (maxillae), a pair of facial bones, form the upper jaw and parts of the face (e.g., orbits, nasal cavity). The vomer is a single facial bone forming part of the nasal septum, not the upper jaw.