Page |1
ANAT 380 Questions and Correct
Answers/ Latest Update / Already Graded
Diaphragm
Ans: Thin, musculotendinous septum that separates the
thoracic and abdominal cavities
Peripheral muscular fibres
Ans: Attach to the inferior margin of the thoracic cage and the
lumbar vertebrae, the converge on the central tendon
Right crus
Ans: Muscular extension of the diaphragm that originates from
the anterolateral surface of the upper three lumbar vertebrae
Left crus
Ans: Muscular extension of the diaphragm that originates from
the anterolateral surface of the upper two lu mbar vertebrae
Apertures of the Diaphragm
Ans: Caval opening, esophageal hiatus, and aortic hiatus
All rights reserved © 2025/ 2026 |
, Page |2
Caval opening
Ans: Opening for the inferior vena cava in the central tendon at
the T8 level
Esophageal hiatus
Ans: Opening for the esophagus at level T10
Aortic hiatus
Ans: Opening for the abdominal portion of the aorta between
the left and right crus, anterior to T12
Intercostal muscles
Ans: Series of muscle layers between adjacent ribs, helping to
form the chest wall. Twisting and reaching upward my result in
strain or tear.
External intercostal muscles
Ans: Fibres run anteroinferiorly from the lower border of the
rib.
All rights reserved © 2025/ 2026 |
, Page |3
Internal intercostal muscles
Ans: Fibres run posterosuperiorly from the upper border of the
rib.
Manubrium
Ans: Most superior part of the sternum
Manubriosternal joint
Ans: Articulation between the manubrium and sternal body
Sternal body
Ans: Middle portion of the sternum
Xiphisternal joint
Ans: Articulation between the sternal body and diploid process
Xiphoid process
Ans: Most inferior portion of the sternum
Vertebral arch and body
All rights reserved © 2025/ 2026 |
, Page |4
Ans: Form the vertebral foramen to protect and house the
spinal cord
Pedicle
Ans: Forms the intervertebral foramen where a spinal nerve
exits the vertebral canal
Spinous process, transverse process, and body
Ans: Attachment site for muscles and ligaments of the spine
Intervertebral discs
Ans: Cartilaginous joints consisting of the outer annulus
fibrosis and central nucleus pulposus; act as shock absorbers
and allow for some minimal movement
Annulus fibrosis
Ans: Outer ring of the intervertebral disc made of
fibrocartilage
Nucleus pulposus
All rights reserved © 2025/ 2026 |
ANAT 380 Questions and Correct
Answers/ Latest Update / Already Graded
Diaphragm
Ans: Thin, musculotendinous septum that separates the
thoracic and abdominal cavities
Peripheral muscular fibres
Ans: Attach to the inferior margin of the thoracic cage and the
lumbar vertebrae, the converge on the central tendon
Right crus
Ans: Muscular extension of the diaphragm that originates from
the anterolateral surface of the upper three lumbar vertebrae
Left crus
Ans: Muscular extension of the diaphragm that originates from
the anterolateral surface of the upper two lu mbar vertebrae
Apertures of the Diaphragm
Ans: Caval opening, esophageal hiatus, and aortic hiatus
All rights reserved © 2025/ 2026 |
, Page |2
Caval opening
Ans: Opening for the inferior vena cava in the central tendon at
the T8 level
Esophageal hiatus
Ans: Opening for the esophagus at level T10
Aortic hiatus
Ans: Opening for the abdominal portion of the aorta between
the left and right crus, anterior to T12
Intercostal muscles
Ans: Series of muscle layers between adjacent ribs, helping to
form the chest wall. Twisting and reaching upward my result in
strain or tear.
External intercostal muscles
Ans: Fibres run anteroinferiorly from the lower border of the
rib.
All rights reserved © 2025/ 2026 |
, Page |3
Internal intercostal muscles
Ans: Fibres run posterosuperiorly from the upper border of the
rib.
Manubrium
Ans: Most superior part of the sternum
Manubriosternal joint
Ans: Articulation between the manubrium and sternal body
Sternal body
Ans: Middle portion of the sternum
Xiphisternal joint
Ans: Articulation between the sternal body and diploid process
Xiphoid process
Ans: Most inferior portion of the sternum
Vertebral arch and body
All rights reserved © 2025/ 2026 |
, Page |4
Ans: Form the vertebral foramen to protect and house the
spinal cord
Pedicle
Ans: Forms the intervertebral foramen where a spinal nerve
exits the vertebral canal
Spinous process, transverse process, and body
Ans: Attachment site for muscles and ligaments of the spine
Intervertebral discs
Ans: Cartilaginous joints consisting of the outer annulus
fibrosis and central nucleus pulposus; act as shock absorbers
and allow for some minimal movement
Annulus fibrosis
Ans: Outer ring of the intervertebral disc made of
fibrocartilage
Nucleus pulposus
All rights reserved © 2025/ 2026 |
