Q: Which equation correctly represents the percentage of body mass made up by the skeleton if the skeleton weighs 10 kg and the total body mass is 70 kg?

$$\frac{10}{70} \times 100 = 14.3\%$$

Question 1

Which of the following bones is NOT part of the axial skeleton?

Accepted Answer

Scapula

Question 2

The cranium is composed of 8 bones. Which of the following is NOT one of them?

Accepted Answer

Mandible

Question 3

Which suture connects the parietal bones to the occipital bone?

Accepted Answer

Lambdoid suture

Question 4

A patient suffers a fracture to the bone forming the posterior base of the skull. Which bone is most likely affected?

Accepted Answer

Occipital bone

Question 5

Which of the following statements about sutures is correct?

Accepted Answer

They are firm, interlocking joints connecting skull bones.

Question 6

If a person has a defect in the superior orbital fissure, which function might be impaired?

Accepted Answer

Movement of eye muscles

Question 7

Which bone is described as the 'keystone' of the cranial floor because it articulates with all other cranial bones?

Accepted Answer

Sphenoid bone

Question 8

A blow to the side of the skull damages the mastoid process. Which bone is affected?

Accepted Answer

Temporal bone

Question 9

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

Accepted Answer

$$80 + 126 = 206$$

Question 10

Which of the following is a function of the cranium?

Accepted Answer

Protecting the brain and providing attachment for head and neck muscles

Question 11

A patient presents with a fracture at the external occipital protuberance. Which view of the skull would best show this feature?

Accepted Answer

Posterior view

Question 12

Which bone forms the lower jaw and is the largest, strongest bone of the face?

Accepted Answer

Mandible

Question 13

Which of the following bones is paired in the cranium?

Accepted Answer

Parietal bone

Question 14

Which anatomical feature is found at the junction of the sagittal and lambdoid sutures?

Accepted Answer

Lambda

Question 15

Which bone contains the foramen magnum?

Accepted Answer

Occipital bone

Question 16

If the sagittal suture is prematurely fused in a developing child, which condition may result?

Accepted Answer

Scaphocephaly

Question 17

Which of the following best describes the function of the parietal bones?

Accepted Answer

Form the sides and roof of the cranial cavity

Question 18

Which bone is located at the base of the skull and articulates with the first cervical vertebra?

Accepted Answer

Occipital bone

Question 19

Which of the following is true regarding the number of bones in the adult human skull?

Accepted Answer

There are 8 cranial and 14 facial bones, totaling 22 bones.

Question 20

Which equation correctly represents the percentage of body mass made up by the skeleton if the skeleton weighs 10 kg and the total body mass is 70 kg?

Accepted Answer

$$\frac{10}{70} 	imes 100 = 14.3\%$$

The Human Skeleton: Structure and Organization

Guida di studio - Domande di pratica

Study guide - Flashcard