Question 1

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

Accepted Answer

Store calcium and phosphate ions for metabolic needs

Question 2

A patient presents with a fracture to the sella turcica. Which gland is most likely to be affected?

Accepted Answer

Pituitary gland

Question 3

Which bone forms the floor of the cranium and contains the sella turcica?

Accepted Answer

Sphenoid bone

Question 4

The sagittal suture connects which two bones?

Accepted Answer

The two parietal bones

Question 5

Which of the following best describes the function of the paranasal sinuses?

Accepted Answer

They lighten the weight of the skull and help humidify inhaled air

Question 6

A newborn's skull contains fontanelles. What is the primary function of these structures?

Accepted Answer

To allow for compression of the skull during childbirth

Question 7

Which of the following bones is NOT part of the orbital complex?

Accepted Answer

Vomer

Question 8

A patient has difficulty moving their jaw and is diagnosed with temporomandibular joint (TMJ) disorder. Which bone is directly involved in this joint?

Accepted Answer

Mandible

Question 9

Which cranial fossa houses the cerebellum, pons, and medulla oblongata?

Accepted Answer

Posterior cranial fossa

Question 10

If a blow to the head fractures the zygomatic bone, which function is most likely to be affected?

Accepted Answer

Formation of the lateral wall of the orbit

Question 11

Which equation best represents the relationship between the number of bones in the adult human skeleton and the axial skeleton?

Accepted Answer

$$206 = 80 + 126$$

Question 12

Which of the following statements about the temporal bone is correct?

Accepted Answer

It contains the structures of the internal ear

Question 13

A patient with a fracture to the occipital bone is most at risk for damage to which structure?

Accepted Answer

Foramen magnum

Question 14

Which bone is the only movable bone of the adult human skull?

Accepted Answer

Mandible

Question 15

Which suture connects the parietal bones to the occipital bone?

Accepted Answer

Lambdoid suture

Question 16

A patient has a tumor compressing the optic canal. Which cranial bone is most likely involved?

Accepted Answer

Sphenoid bone

Question 17

Which of the following bones is NOT part of the cranium?

Accepted Answer

Maxilla

Question 18

Which of the following best describes the role of the cranial fossae?

Accepted Answer

They support and cradle different regions of the brain

Question 19

Which bone forms the posterior portion of the hard palate?

Accepted Answer

Palatine bone

Question 20

A patient suffers a blow to the side of the head, fracturing the squamous part of the temporal bone. Which function is most likely to be affected?

Accepted Answer

Hearing and balance

Lec 4- Axial Division of the Human Skeletal System: Structure and Function

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