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A & P 1 LATEST EXAM WITH RATIONALES. 2025

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A & P 1 LATEST EXAM WITH RATIONALES. 2025

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  • January 5, 2025
  • 17
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • a p 1
  • a p 1 latest exam with rationales 2025

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A&P1
Study online at https://quizlet.com/_2i7j8

1. Anatomy STUDY OF THE STRUCTURE OF THE BODY

2. physiology The study of the functions of body structures

3. Homeostasis The process by which an organism's internal environment
is kept stable in spite of changes in the external environ-
ment.

4. Body Cavities Places in the body that contain and protect inter-
nal organs;Dorsal , Cranial , Spinal , Ventral , Tho-
racic (right: only lungleft:lung/heart),Mediastinum,pericar-
dial,pelvic,pleural,abdominopelvic,abdominal,Oral & di-
gestive, Nasal, Orbital,synovial,middle ear.

5. Dorsal Cavity Contains the cranial cavity and the vertebral canal; brain
and spinal cord.

6. Cranial Cavity Space in the head containing the brain and surrounded
by the skull.

7. Spinal Cavity space the runs w/in the bony vertebral column, encloses
the delicate spinal cord and fluids, continuous w/ the brain
and spinal & cranial cavities continuous w/ each other.

8. Vertebral pertaining to the area of the spinal column

9. Ventral Cavity includes the anterior & larger of the closed body cavities
(thoracic, abdominal, and pelvic cavities)& separated by
the diaphragm.

10. Thoracic Cavity the cavity in the vertebrate body enclosed by the
ribs/muscle in the chest btwn the diaphragm and the neck
and containing the lungs and heart.

11. Pleural Cavity the cavity in the thorax subdivided into lateral that con-
tains the lungs

12. Mediastinum medial that contains the pericardial cavity (where the
Cavity heart is)surrounds thymus, trachea, esophagus, and ma-
jor blood vessels.


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13. PericardialCavity surrounds the heart; space around the heart

14. Abdominopelvic Cavity that contains the organs of digestion and reproduc-
Cavity tion & exocrine.Abdominal & Pelvic

15. Abdominal Cavi- contains the stomach, intestines, spleen, liver, and other
ty organs

16. Pelvic Cavity Space below the abdomen containing portions of the
large intestines, rectum, urinary bladder, and reproduc-
tive organs.

17. Oral cavity contains the lips, hard and soft palates, salivary glands,
tongue, teeth, and the periodontium

18. Digestive Cavity houses the digestive organs, which opens to the exterior
at the anus

19. Nasal Cavity Located within the posterior to the nose, the nasal cavity
is part of the respiratory system passageways.

20. Orbital Cavity orbits in the skull, house the eyes and present them in an
anterior position

21. Middle ear Cavity carved into the skull, lie just medial to the eardrums,
contain tiny bones that transmit sound vibrations to the
hearing receptors in the inner ears

22. Synovial Cavity joint cavities enclosed within fibrous capsules that sur-
round the freely movable joints of body such as the verte-
brae and knee and hip joints. Serous fluid prevent friction
in the joints.

23. Body Regions 9 Regions R & L hypochodriac, Epigastric, R & L lumbar,
Umbilical, R & L iliac, Hypogastric

24. Hydrochondriac Lie lateral to the epigastric(top) Cartilage.
Region




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25. Epigastric Re- superior to the umbilicual region. epi=upon, above, gas-
gion tri=belly

26. Rght & Lft Lum- Lie lateral to the umbilical region, lumbus=loins
bar

27. Umbilical Region Centermost region deep to and surrounding the umbili-
cal(naval)

28. Rght & Lft Ili- Located lateral to the hypogastric region, iliac=superior
ac( Inguinal) Re- part of the hip bone.
gions

29. Hypogastric Re- Located inferior to the umbilical region, hypo=below
gion

30. Positive Feed- a physiological control mechanism in which a change in
back a variable triggers mechanisms that amplify the change

31. Negative Feed- Most homeostasis control mechanisms are negative fb.
bak The mechanisms cause the variable to change in a direc-
tion opposite to that of the initial change, returning it to
its "ideal" value;In these system, the outputs shuts off the
origianal effect of the stimulus or reduces its intensity

32. Body Planes surface frequently most used arethree imaginary lines
used to divide the body into sections Saggital, median,
and transverse planes(midsaggital). The body is often
cut/sectioned, along a flat.

33. Sagittal Planes A plane that divides the body or organs into left and right
portions.

34. Median/ mid- the plane that passes vertically thru the midline dividing
sagittal Planes the body equally

35. transverse/hori- Runs horizontal from rght to lft, dividing body into superior
zontal Planes and inferior parts; many transveres planes exist at every
AKA Cross possible level from head to foot.
Section

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