Question 1

Which of the following best describes the primary functional difference between the axial and appendicular divisions of the skeletal system?

Accepted Answer

The axial skeleton provides support and protection for the brain, spinal cord, and thoracic organs, while the appendicular skeleton facilitates movement and interaction with the environment.

Question 2

Which bone marking is defined as a rounded articular projection, and is commonly found at the end of long bones?

Accepted Answer

Condyle

Question 3

The sagittal suture of the skull is formed by the junction of which two bones?

Accepted Answer

Parietal bones

Question 4

Which of the following is NOT a cranial bone?

Accepted Answer

Mandible

Question 5

The orbits, which house the eyes, are formed by contributions from several bones. Which bone does NOT contribute to the formation of the orbit?

Accepted Answer

Temporal

Question 6

Which bones contain paranasal sinuses?

Accepted Answer

Frontal, sphenoid, ethmoid, and maxilla

Question 7

Fontanels in the fetal skull serve which primary function?

Accepted Answer

Permit flexibility during childbirth and accommodate brain growth

Question 8

Which formula correctly represents the total number of vertebrae in the adult human vertebral column?

Accepted Answer

$$7 + 12 + 5 + 5 + 4 = 33$$

Question 9

Which spinal curvature is present at birth and which develops as a child begins to walk?

Accepted Answer

Thoracic curvature is present at birth; lumbar curvature develops as a child begins to walk.

Question 10

Which structural feature is common to all vertebrae?

Accepted Answer

Spinous process

Question 11

A patient presents with a herniated disc between the L4 and L5 vertebrae. Which region of the vertebral column is affected, and what is a distinguishing feature of this region?

Accepted Answer

Lumbar region; large, robust bodies for weight bearing

Question 12

Which bones form the thoracic cage?

Accepted Answer

Sternum, ribs, and thoracic vertebrae

Question 13

The pectoral girdle is composed of which bones?

Accepted Answer

Clavicle and scapula

Question 14

Which sequence correctly lists the bones of the upper limb from proximal to distal?

Accepted Answer

Humerus, radius and ulna, carpals, metacarpals, phalanges

Question 15

Which bones form the pelvic girdle?

Accepted Answer

Ilium, ischium, and pubis

Question 16

A marathon runner sustains a stress fracture in the tibia. Which bones form the lower limb, and what is the primary function of the tibia?

Accepted Answer

Femur, patella, tibia, fibula, tarsals, metatarsals, phalanges; tibia bears most of the body's weight.

Question 17

Which bone marking would most likely serve as a passageway for nerves and blood vessels?

Accepted Answer

Foramen

Question 18

A newborn is diagnosed with craniosynostosis, a condition where the fontanels close prematurely. What is the most likely consequence?

Accepted Answer

Restricted brain growth and possible neurological impairment

Question 19

Which bone is NOT part of the appendicular skeleton?

Accepted Answer

Sternum

Question 20

A patient with a fractured zygomatic bone would most likely experience which of the following symptoms?

Accepted Answer

Impaired vision due to disruption of the orbit

Chapter 7: Skeletal System Study Guide – Step-by-Step Guidance

Study Guide - Practice Questions

Study Guide - Flashcards