Question 1

Which of the following correctly describes the divisions of the human skeletal system?

Accepted Answer

Axial skeleton contains 80 bones; appendicular skeleton contains 126 bones.

Question 2

Which bones are included in the axial skeleton?

Accepted Answer

Skull, vertebral column, thorax

Question 3

What is the primary function of cranial bones?

Accepted Answer

Protect the brain by forming the cranial cavity

Question 4

Which of the following is NOT a function of facial bones?

Accepted Answer

Protect the brain

Question 5

Which suture separates the frontal bone from the parietal bones?

Accepted Answer

Coronal suture

Question 6

A patient presents with trauma to the lateral side of the cranium. Which cranial bone is most likely affected?

Accepted Answer

Temporal bone

Question 7

Which surface feature of the temporal bone is involved in forming part of the cheekbone?

Accepted Answer

Zygomatic process

Question 8

Which process of the temporal bone serves as an attachment for muscles and ligaments of the tongue and neck?

Accepted Answer

Styloid process

Question 9

If a patient has a fracture at the coronal suture, which bones are most likely involved?

Accepted Answer

Frontal and parietal bones

Question 10

Which of the following best describes a suture in the skull?

Accepted Answer

An immoveable joint between cranial bones

Question 11

A forensic anthropologist finds a bone with a prominent zygomatic process and external auditory meatus. Which bone is this?

Accepted Answer

Temporal bone

Question 12

Which equation correctly represents the total number of bones in the adult human skeleton?

Accepted Answer

$$206 = 80 + 126$$

Question 13

Which of the following is a surface marking that serves as an outgrowth for muscle attachment?

Accepted Answer

Process

Question 14

Which bone forms the forehead and part of the roof of the cranial cavity?

Accepted Answer

Frontal bone

Question 15

Which of the following statements about the appendicular skeleton is correct?

Accepted Answer

It includes the limbs and girdles.

Question 16

Which of the following is a depression or opening in a bone?

Accepted Answer

Foramen

Question 17

A patient suffers a blow to the side of the head, resulting in a fracture of the bone forming the sides and roof of the cranial cavity. Which bone is fractured?

Accepted Answer

Parietal bone

Question 18

Which of the following is NOT a function of the axial skeleton?

Accepted Answer

Supports the limbs

Question 19

Which of the following surface markings is most likely to be found on a bone that serves as an attachment site for muscles?

Accepted Answer

Process

Question 20

Which of the following best explains why the skull has both depressions and processes?

Accepted Answer

Depressions and openings allow for passage of nerves and vessels; processes serve as attachment points for muscles and ligaments.

Divisions and Structure of the Human Skeletal System

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