CSCC Bio 2300 Unit 4 -Questions and Correct Answers (Expert verified) /
Latest Update 2024/2025/100% Pass
physical structure of rib cage - ✔✔Osteocartilaginous
type of cartilage that forms costal cartilages - ✔✔hyaline cartilage
3 sections of the sternum - ✔✔manubrium, body, xiphoid process
latererally, manubrium forms joints with - ✔✔costal cartilages of rib 1
Inferiorly, the manubrium forms joints with these two structures - ✔✔body of sternum and
part of 2nd costal cartilage
sternal angle is a clinical maker for - ✔✔2nd rib
to listen to heart place stethoscope on intercostals - ✔✔2 and 5
latererally, sternal body forms joints with - ✔✔costal cartilages
tip of xiphoid process = clinical maker for - ✔✔superior liver surface
apex of heart
central tendon of diaphragm
true ribs - ✔✔1-7 attach directly to sternum
false ribs - ✔✔8-10 ribs; indirectly attached to sternum with costal cartilage
floating ribs - ✔✔Ribs 11-12
, all ribs form joints posteriorly with - ✔✔thoracic vertebral bodies
The tubercle on the ribs articulates with the costal facet on - ✔✔transverse processes of
vertebrae
ribs 9 = 3 joints - ✔✔t8
t9
transverse costal facet
Rib 1 is distinct from all others. Describe its 3 unique physical features. - ✔✔flattened
c- shaped
grooves for subclavian vessels
directly inferior and posterior to clavicle
rib 11 and 12 = single joint with - ✔✔respective vertebral bodies
breast milk produced in this gland - ✔✔modified apocrine sweat gland
Pathway of breast milk - ✔✔cells in lobules (15-20)
drains > lactiferous duct
emptying > lactiferous sinus
to nipple
4 visible signs of breast cancer - ✔✔painless lumb
painful lumb
swelling/puckering/ redness in skin
bloody discharge from nipple
structures that diaphragm is connected - ✔✔a: xiphoid process of sternum
Latest Update 2024/2025/100% Pass
physical structure of rib cage - ✔✔Osteocartilaginous
type of cartilage that forms costal cartilages - ✔✔hyaline cartilage
3 sections of the sternum - ✔✔manubrium, body, xiphoid process
latererally, manubrium forms joints with - ✔✔costal cartilages of rib 1
Inferiorly, the manubrium forms joints with these two structures - ✔✔body of sternum and
part of 2nd costal cartilage
sternal angle is a clinical maker for - ✔✔2nd rib
to listen to heart place stethoscope on intercostals - ✔✔2 and 5
latererally, sternal body forms joints with - ✔✔costal cartilages
tip of xiphoid process = clinical maker for - ✔✔superior liver surface
apex of heart
central tendon of diaphragm
true ribs - ✔✔1-7 attach directly to sternum
false ribs - ✔✔8-10 ribs; indirectly attached to sternum with costal cartilage
floating ribs - ✔✔Ribs 11-12
, all ribs form joints posteriorly with - ✔✔thoracic vertebral bodies
The tubercle on the ribs articulates with the costal facet on - ✔✔transverse processes of
vertebrae
ribs 9 = 3 joints - ✔✔t8
t9
transverse costal facet
Rib 1 is distinct from all others. Describe its 3 unique physical features. - ✔✔flattened
c- shaped
grooves for subclavian vessels
directly inferior and posterior to clavicle
rib 11 and 12 = single joint with - ✔✔respective vertebral bodies
breast milk produced in this gland - ✔✔modified apocrine sweat gland
Pathway of breast milk - ✔✔cells in lobules (15-20)
drains > lactiferous duct
emptying > lactiferous sinus
to nipple
4 visible signs of breast cancer - ✔✔painless lumb
painful lumb
swelling/puckering/ redness in skin
bloody discharge from nipple
structures that diaphragm is connected - ✔✔a: xiphoid process of sternum
