Lab 5 Answer Key

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Kansas State University *

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ABNORMAL P

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Anatomy

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Dec 6, 2023

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Alfonso-Durruty © LAB 5 ANSWER KEY: AXIAL SKELETON I. General Skeletal Anatomy (1) Draw your laboratory partner in anatomical position (10 points): 1

Alfonso-Durruty © (2) Practice Using Correct Anatomical Terminology (2 points each; 16 points) (2a) Superior (2b) Inferior (2c) Anterior (2d) Lateral (2e) Medial (2f) Name one bone that is anterior to the occipital bone: Answers will vary (2g) Name one bone that is superior to the temporal bone: Parietals or Frontal (2h) Compared to the cervical vertebrae, the sacrum is positioned more: B. Inferiorly (3) Look at the skull and fill in the blanks (2 points each; 12 points) (3a) Temporals, Parietals (3b) Frontal, Parietals (3c) Occipital, Parietals (4) In your own words, explain two functions of the skeleton (10 points) (4a) Answers will vary (4b) Answers will vary (5) Which of the following bones articulates with ribs? (2 points) B. Thoracic vertebra II. Identifying the bones and sutures in the skull (6) Draw the skull in frontal view and identify and label the following bones: (1) Frontal, (2) Parietal (left and right), (3) Nasals (left and right), (4) Maxilla, and (5) Mandible. (20 points) 2 Maxilla Mandible L nasal R nasal L parietal R parietal Frontal

Alfonso-Durruty © (7) Draw the skull in lateral view and identify and label the following bones: (1) Frontal, (2) Nasal (left or right), (3) Zygomatic (left or right), (4) Maxilla, (5) Mandible, (6) Parietal (left or right), (7) Temporal (left or right), (8) Occipital. Then, identify and label the following sutures: (1) Coronal, (2) Squamosal, (3) Lambdoidal. (44 points) (8) Draw the skull in posterior view and identify and label the following bones: (1) Right and left parietal, (2) Right and left temporal, (3) Occipital. Then, identify and label the following sutures: (1) Sagittal and (2) Lambdoidal. (28 points) 3 lambdoidal squamosal coronal L zygomatic occipital L temporal L parietal L nasal maxilla Frontal mandible

Alfonso-Durruty © (9) Label the mystery skull bones (2 points each; 10 points) (9a) Ethmoid (9b) Sphenoid (9c) Zygomatic (9d) Mandible (9e) Mastoid process (10) Identify the bones in this infant skull (2 points each; 10 points) 4 sagittal lambdoidal R temporal L temporal occipital L parietal R parietal

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