AXIAL SKELETON QUIZ 1. Which of the following skull bones is NOT also a cranial

Question

AXIAL SKELETON QUIZ 1. Which of the following skull bones is NOT also a cranial bone? a. frontal b. temporal c. maxilla d. occipital 2. The sella turcica is located on which bone? a. sphenoid b. vomer c. ethmoid d. parietal 3. Which of the following statements regarding the atlas is NOT true? a. It is the first cervical vertebra. b. It allows up and down movement It articulates with the occipital condyles. c. of the skull. d. It has a prominent process called the dens 4. The vertebrosternal ribs are also called the: false ribs true ribs a. c. attached ribs d. floating ribs b. 5. Which of the following choices is NOT part of the orbit? a. sphenoid bone c. lacrimal bone d. parietal bone b. frontal bone which feature is found only on thoracic vertebrae? a. 6, transverse foramen transverse costal facet c. pedicle d. intervertebral notch b. 7. The spinal cord is located within the: a. intervertebral notch b. vertebral arch c. vertebral foramen d. transverse foramen 8. Theis composed of five fused vertebrae. a. sternum c. axis d. sacrum b. thorax Which of the following is NOT part of the sternum? a. tubercle 9. c. xiphoid process d. jugular notch 10. Which of the following is NOT part of the rib cage? a. sternum b. atlas c. ribs d. all are part of the rib cage 114 Axial skeleton l chapterB Axial Skeleton

Explanation / Answer

1. c) maxilla

There are 8 cranial bones which are: frontal, occipital, temporal(2), sphenoid, ethmoid, parietal (2)

2.a) sphenoid

The sella turcica is located in the sphenoid bone behind the chiasmatic groove and the tuberculum sellae.

3.b) it alows up and down movement of the skull

The atlas as such doesn't allow this. The atlato- occipital joint allows up and down movement of the skull.

4.b) true ribs

They are called so because they directly articulate with the sternum.

5.d) parietal bone.

There are 7 bones that form orbit- lacrimal, frontal, sphenoid, ethmoid, maxilla, Palatine, zygoma.

6.b) transverse costal facet

It is the site where rib forms a joint with the transverse process of thoracic region.

7.c) vertebral foramen

8.d) sacrum

It is a part of vertebrae mafe of 5 fused bones.

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