BIOL 2457 Skeletal System Questions with Correct Answers

BIOL 2457 Skeletal System Questions
with Correct Answers 2026/2027
1. What is skeleton made out of? - CORRECT ANSWER -bones and cartilage



2. Where are hyaline cartilage found? - CORRECT ANSWER -articular, costal, respiratory,
and nasal cartilages



3. Where are elastic cartilage found? - CORRECT ANSWER -nose, external ear, and epiglottis



4. Where are fibrocartilage found? - CORRECT ANSWER -intervertebral discs and pubic
symphysis



5. What are bones made of? - CORRECT ANSWER -Calcified (calciumsalts) matrix with
manycollagen fibers



6. The skeletal system (bones, joints, cartilages, ligaments) is made up of how much body
mass? - CORRECT ANSWER -20%



7. Axial Skeleton - CORRECT ANSWER -Cranial, Vertebral, and ribs



8. Appendicular Skeleton - CORRECT ANSWER -Limbs, pelvic girdle



9. Cartilage are in what type of area? - CORRECT ANSWER -Isolated areas



10. Ligaments attach to what? - CORRECT ANSWER -connect bones and reinforce joint

, 11. Joints allow for what? - CORRECT ANSWER -mobility
X2 X2 X2 X2 X2 X2 X2




12. How many bones in the body? - CORRECT ANSWER -206
X2 X2 X2 X2 X2 X2 X2 X2 X2




13. Cranial bones - CORRECT ANSWER - X2 X2 X2 X2 X2




Part of the axial skeleton; enclose/protect the brain and contain attachment sites for mu
X2 X2 X2 X2 X2 X2 X2 X2 X2 X2 X2 X2 X2




scles of the head and neck (8) X2 X2 X2 X2 X2 X2




14. Facial bones - CORRECT ANSWER - X2 X2 X2 X2 X2




Part of the axial skeleton; framework of the face; contain cavities for visual, gustatory,
X2 X2 X2 X2 X2 X2 X2 X2 X2 X2 X2 X2 X2




and olfactory structures; provide openings for air/food passage; secure teeth; ancho
X2 X2 X2 X2 X2 X2 X2 X2 X2 X2 X2




r facial muscles (14)
X2 X2 X2




15. All bones of the skull are firmly connected by sutures, except what bone? -
X2 X2 X2 X2 X2 X2 X2 X2 X2 X2 X2 X2 X2




CORRECT ANSWER -Mandible
X2 X2 X2




16. Cavities in the axial skeleton - CORRECT ANSWER - X2 X2 X2 X2 X2 X2 X2 X2




cranial cavity, orbits, nasal cavity, oral cavity, sinuses, middle/inner ear cavities
X2 X2 X2 X2 X2 X2 X2 X2 X2 X2




17. Cranial bones (8) - CORRECT ANSWER - X2 X2 X2 X2 X2 X2




2x parietal, 2x temporal, frontal, occipital, sphenoid, ethmoid
X2 X2 X2 X2 X2 X2 X2




18. 4 major sutures - CORRECT ANSWER -sagittal, lambdoid, coronal, squamous
X2 X2 X2 X2 X2 X2 X2 X2 X2




19. 14 facial bones - CORRECT ANSWER -
X2 X2 X2 X2 X2 X2




2x maxillae, 2x zygomatic, 2x nasal, 2x lacrimal, 2x palantine, 2x nasal conchae, mandible
X2 X2 X2 X2 X2 X2 X2 X2 X2 X2 X2 X2 X2




, vomer
X2




20. Hyoid bone - CORRECT ANSWER - X2 X2 X2 X2 X2




Not part of the skull, but lies just below the mandible; only bone that does not articulate
X2 X2 X2 X2 X2 X2 X2 X2 X2 X2 X2 X2 X2 X2 X2 X2 X2




with another bone X2 X2