Ch 1a Flashcards

1
Q

Homeostasis

A

Maintains normalcy in the human body

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2
Q

Anatomy

A
  • structure and organization
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3
Q

What is anatomy?

A

-development process
- micro organization
- structure of the body

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4
Q

Division of anatomy

A
  • Gross anatomy
    -micro anatomy
  • radiographic anatomy
  • pathologic anatomy
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5
Q

Gross anatomy subdivision

A

-Systemic anatomy
- regional anatomy
- surface anatomy
-embryology
- comparative anatomy

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6
Q

Systemic anatomy

A
  • Studies the anatomy of each functionalsystem
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7
Q

Regional anatomy

A
  • study anatomy region by region
    -ex head outermost skin & head (integramenty system) → skull (skeletal system )→ present micninjas made of connective-tissue system → protect the brain → brain ( nervous system) →carrying away nutrients from brain (cardiovascular systems)→gasious exchange ( respiratory system)
    -studying multiple systems together as they relate to a region
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8
Q

present meninges

A
  • made up of connective tissue→protective layers that are protecting the brain
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9
Q

Nervous system

A

-Blood vessels that are running through the structures of the brain → bring food to the brain cells → carrying a way the waste

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10
Q

How is 02 brought to the brain?

A

Via the blood

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11
Q

How does 02 get into the blood?

A

Through the lungs by gasious exchange

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12
Q

Surface anatomy

A
  • Focuses superficial anatomic markings and internal body structures as they relate to the skin covering them
    -ex annual physical physician feels lymph nodes to ensure they are not enlarged→physician studying organs through surface anatomy
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13
Q

Embryology

A

Studies developmental changes from fertilization to birth

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14
Q

Comparative anatomy

A

Examines similarities and differences in the anatomy of different species
Ex cat-and human have same muscles

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15
Q

Microscopic anatomy division

A

-cytology
- histology

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16
Q

Cytology

A

-Study of individual cells and their internal structure

17
Q

Histology

A

Study of tissues

18
Q

Pathologic anatomy

A

Examines aratomic changes caused by disease considers both gross and micro anatomy
Similar to comparative anatomy same species health vs non healthy

19
Q

Radiographic anatomy

A

Investigates the internal structures of the body not invasive!
Ex xray / anatomical imaging l synogruphy/CT/DSA/MRI/ pet scan

20
Q

What is xray good for

A

Bones teeth and dense structures like tumors

21
Q

What are the disadvantages of xray

A

High energy radiation
Does not image sett tissue well

22
Q

Sonography

A
  • Sater than X-ray
  • as the wand is moved across the body high frequency ultrasound that produce an image = sonogram,
23
Q

Computed temography Ct cat scan

A
  • low intensity xrays are emitted from one side of the machine pass through the body and collected by detectors on the opposite side
  • continuous thins slices of images = formed
  • the slices can be put together and reconstruct a 3d image of the body
24
Q

Why is the CT better than the xray

A

Because it takes many images in thin slices

25
Q

Digital substraction angiography

A

’ Modified 3d technique to look @ blood vessels espicaly to see a blockage

26
Q

Why is it called subtraction?

A

B/c the image is done 2x before and after injecting an opaque medium into the blood vessels
Then the before and after image will be substrate to see the blockage

27
Q

How does DSA help drs

A

Helps accurately guide the catheter to the blockage

28
Q

MRI

A

_Uses strong electro magnets → strong magnetic field that actually moves the proton in the body
- soft tissues show up very clearly

29
Q

Functional MRI

A

Used to map the regions of the brain that are functional during a specific activity

30
Q

Positron emission tomography pet scan

A

_ Radioactively labled glucose is used → helps metabolically analyze tissue @any given moment
-Used to see if certain types of cancers have metasizied throughout the body because cancer cells take up more glucose show as hot spots in the scan

31
Q

Divisions of physiology

A

Cell physiology
Respiratory physiology
Neurophysiology
cardiovascular
reproductive

32
Q

Cell physiology

A

Studying metabolic activities @ a cellular level

33
Q

Respiratory physiology

A

Function of respiratory system

34
Q

Neurophysiology

A

Function of the neurons the nerves

35
Q

Cardiovascular

A

Function of the heart blood vessels

36
Q

Reproductive

A

Function of the reproductive hormones t reproductive cycle

37
Q

Pathophysiology

A

Relationship btw function of organ or organ system which is normal or diseased

38
Q

How are form t function interrelated

A

Ex our lungs are made of microscopic aveoli = little sacs
- alveoli have a large surface that matches their function = gas exchange
_to facilitate the function the large structure= needed

39
Q

Physiology

A

Function