CSCC BIO 2300 UNIT 4 2025
ANSWER ALL QUESTIONS IN THIS SECTION
QUESTION 1
Manubrium of sternum - ANSWERS-Articulates with ribs 1, 2, & clavicles.
Sternocleidomastoid muscles also attach here.
QUESTION 2
Jugular Notch - ANSWERS-central indentation in superior border of manubrium
QUESTION 3
Sternal Angle - ANSWERS-Ridge between manubrium and body at second rib
QUESTION 4
Body of Sternum - ANSWERS-the bony structure that forms the middle portion of
the sternum
QUESTION 5
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, CSCC BIO 2300 UNIT 4 2025
Xiphoid process of sternum - ANSWERS-bottom of sternum
QUESTION 6
Costal Margin - ANSWERS-lower border of rib margin formed by the medial
edges of the 8th, 9th, and 10th ribs
QUESTION 7
True Rib - ANSWERS-a rib that is attached directly to the breastbone (1-7)
QUESTION 8
False Rib - ANSWERS-8-12, This rib attaches to the vertebrae in the back and
indirectly to the sternum through cartilage (two words singular)
QUESTION 9
1st Rib - ANSWERS-origin of subclavius
QUESTION 10
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, CSCC BIO 2300 UNIT 4 2025
7th Rib - ANSWERS-longest rib
QUESTION 11
12th Rib - ANSWERS-Inferior extent of pleura posteriorly
QUESTION 12
Costal Cartilage - ANSWERS-connects ribs to sternum; hyaline cartilage
QUESTION 13
Head of Rib - ANSWERS-Articulates with the costal facet of a thoracic vertebral
body.
QUESTION 14
Neck of Rib - ANSWERS-narrowed region of a rib, next to the rib head
QUESTION 15
Body of Rib - ANSWERS-main part of the rib distal to the neck
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ANSWER ALL QUESTIONS IN THIS SECTION
QUESTION 1
Manubrium of sternum - ANSWERS-Articulates with ribs 1, 2, & clavicles.
Sternocleidomastoid muscles also attach here.
QUESTION 2
Jugular Notch - ANSWERS-central indentation in superior border of manubrium
QUESTION 3
Sternal Angle - ANSWERS-Ridge between manubrium and body at second rib
QUESTION 4
Body of Sternum - ANSWERS-the bony structure that forms the middle portion of
the sternum
QUESTION 5
END OF
PAGE 1
, CSCC BIO 2300 UNIT 4 2025
Xiphoid process of sternum - ANSWERS-bottom of sternum
QUESTION 6
Costal Margin - ANSWERS-lower border of rib margin formed by the medial
edges of the 8th, 9th, and 10th ribs
QUESTION 7
True Rib - ANSWERS-a rib that is attached directly to the breastbone (1-7)
QUESTION 8
False Rib - ANSWERS-8-12, This rib attaches to the vertebrae in the back and
indirectly to the sternum through cartilage (two words singular)
QUESTION 9
1st Rib - ANSWERS-origin of subclavius
QUESTION 10
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, CSCC BIO 2300 UNIT 4 2025
7th Rib - ANSWERS-longest rib
QUESTION 11
12th Rib - ANSWERS-Inferior extent of pleura posteriorly
QUESTION 12
Costal Cartilage - ANSWERS-connects ribs to sternum; hyaline cartilage
QUESTION 13
Head of Rib - ANSWERS-Articulates with the costal facet of a thoracic vertebral
body.
QUESTION 14
Neck of Rib - ANSWERS-narrowed region of a rib, next to the rib head
QUESTION 15
Body of Rib - ANSWERS-main part of the rib distal to the neck
END OF
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