BIO-201L Week 3 | BIO-201L Chapter 8| (Objective Questions and Connect Questions with complete verified solutions| (DIAGRAMS INCLUDED )

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BIO-201L Week 3 - BIO-201L Chapter
8 (Objective Questions and Connect
Questions with complete verified
solutions(DIAGRAMS INCLUDED )
Objective Questions
1. Differentiate between axial and appendicular skeletons.

a. Axial skeleton: forms the central supporting axis of
the body; includes the skull, auditory ossicles (middle ear
bones), hyoid bone, vertebral column, and thoracic cage
(ribs and sternum)
b. Appendicular skeleton: bones of the upper limb,
pectoral girdle, lower limb, and pelvic region




Green = Appendicular skeleton, Tan = Axial skeleton


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2. Identify and describe the function of bones of the skull and
significant markings and openings.




● Lines: a slightly raised, elongated ridge (nunchal lines
of the skull)
● Meatus: a canal (external acoustic meatus of the ear)
● Process: any bony prominence (mastoid process of the
skulls)
● Condyle: Rounded knob that articulates with another
bone
● Spine: a sharp, slender, or narrow process
● Crest: narrow ridge
● Sinuses: an air-filled space in a bone; connected with
the nasal cavity, lined with mucous membrane
● Foramen: a hole through the bone, usually round
(foramen magnum of the skull; allow for passage of
nerves and blood vessels
● Alveolus: a pit or socket (tooth socket)
3. Describe key structural differences between the skulls of infants
and those of adults.
4. Identify and describe the curvatures of the spinal column and
their functions.
5. Identify the markings and structures specific to each region of
vertebral anatomy.
6. Explain the relationship of the articulations in the thoracic cage.
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