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Merrill Chpt 3
General Anatomy Part 1
| Question | Answer |
|---|---|
| Divides the body into right and left segments, passing vertically from front to back | Sagittal |
| Passes through the body vertically from side to side, dividing the body into anterior & posterior parts | Coronal |
| Passes through midline & divides the body into equal anterior & posterior halves | Midcoronal (MCP) or Midaxiallary |
| Passes through body from anterior to posterior & divides the body into equal right & left halves | Midsagittal (MSP) |
| Passes crosswise through the body/part at right angles to the longitudinal axis | Horizontal |
| Name the four planes of the body | Sagittal, coronal, horizontal, and oblique |
| Two major categories of the torso are? | Thoracic and abdominal |
| What cavity is Liver found in? | Abdominal |
| What cavity are Lungs found in? | Thoracic |
| What cavity is Heart found in? | Thoracic |
| What cavity is Uterus found in? | Pelvic |
| What cavity is Spleen found in? | Abdominal |
| What cavity is Rectum found in? | Pelvic |
| What cavity are Ureters found in? | Abdominal |
| What cavity is Trachea found in? | Thoracic |
| What cavity are Ovaries found in? | Pelvic |
| What cavity is Esophagus found in? | Thoracic |
| Name the 4 Body Habitus types | Hypersthenic, Sthenic, Hyposthenic, & Asthenic |
| The 9 regions of abdomen are: | Right/Left Hypochondrium, Epigastrium, Right/Left Lateral, Umbilical, Right/Left Inguinal, & Hypogastrium |
| C1 | Mastoid tip |
| C3,C4 | Hyoid |
| C5 | Thyroid |
| C7,T1 | Vertebra Prominens |
| T2,T3 | Jugular Notch |
| T4,T5 | Sternal angle |
| T7 | Inferior angles Scapulea |
| T9,T10 | Xiphoid Process |
| L2,L3 | Inferior Costal Margin (lumbar puncture) |
| L4,L5 | Superior most aspect Iliac Crest |
| S1,S2 | ASIS (Anterior superior Iliac Spines) |
| Coccyx | Pubic Symphysis (PS)& Greater Trochanters |
| T1 | Approx. 2 inches above jugular notch |
| C2,C3 | Gonion |
| T/F: Radiographers must possess a thorough knowledge of anatomy and medical terminology | True |
| Define Anatomy | The study of the science of the structure of the body |
| Define Physiology | The study of the function of the body organs |
| Define Osteology | The detailed study of the body of knowledge relating to the bones of the body |
| The most common body planes are | Sagittal and coronal |
| What body plane is positioned at right angle to sagittal and coronal planes? | Horizontal |
| What body plane divides body into superior and inferior portions? | Horizontal |
| What body plane is also called transverse, axial, or cross-sectional? | Horizontal |
| Passes through a body part at any angle between previous 3 planes? | Oblique |
| T/F: Planes are used in radiographic positioning to center a body part to the IR or CR | True |
| T/F: Special planes are localized to specific parts or areas of the body? | True |
| What special plane transects the body at the pelvis at the top of the iliac crests (L4)? | Interiliac |
| What special plane is formed by the biting surfaces of the upper/lower teeth with jaws closed? | Occlusal |
| What cavity is L/R Pericardium found in? | Thoracic |
| What cavity is L/R Pleural membranes found in? | Thoracic |
| What cavity is Peritoneum found in? | Abdominal |
| What cavity is Kidneys found in? | Abdominal |
| What cavity is Pancreas found in? | Abdominal |
| What cavity is Major blood vessels found in? | Abdominal |
| The abdomen is bordered by the diaphragm superiorly or inferiorly? | Superiorly |
| The abdomen is bordered inferiorly by the? | Superior pelvic aperture (pelvic inlet) |
| What 2 methods is the abdomen divided into? | Quadrants and Regions |
| What are the 4 quadrants? | RUQ, RLQ, LUQ, & LLQ |
| What are quadrants useful for? | Describing the location of various abdominal organs |
| T/F: The abdomen is divided into 9 regions by 4 planes, 2 horizontal and 2 vertical? | True |
| Superior regions of abdomen include | Right hypochondium, Epigastrium, Left hypochondrium |
| Middle regions of abdomen include | Right lateral, umbilical, left lateral |
| Inferior regions of abdomen include | Right inguinal, hypogastrium, left ingu |
| In which quadrant of the abdomen is the largest part of the liver located? | Right upper |
| T/F: Most anatomic structures can be seen or palpated? | False: they cannot |
| What is defined as the common variations in the shape of the human body? | Body habitus |
| Why is body habitus important in radiology? | Body habitus determines size, shape, and position of organs of the thoracic & abdominal cavities |
| T/F: Body habitus includes height and weight | False |
| What 6 organs are affected by body habitus? | Heart, lungs, diaphragm, stomach, colon, & gallbladder |
| Of the 4 body habitus types which 2 are considered average? | Sthenic & hyposthenic |
Created by:
swisscheese
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