Chest And Abdomen Flashcards
Name 4 structures in the mediastinum?
Heart, trachea, esophagus, great vessels (superior and inferior vena cabs aorta)
Name 4 structures of the respiratory system proper?
Pharynx, trachea, bronchi, lungs
Where is the carina located?
At bifurcation of right and left bronchi (where trachea divides)
Which primary bronchi sits vertically?
Right
At what point do the gas exchange occurs?
Alveolar sacs
Which lung is longer?
Left
How many lobes are in the right lung?
3 lobes
Where is the pleural cavity located?
Space between visceral and parietal pleura
And expiration and which direction does the diaphragm move?
Up
Why are chest x-rays done at 72 inches?
To Decrease magnification of the heart
Why are chest x-rays performed on the second deep breath?
To fill your lungs with more air
And a PA chest, what to maneuvers remove the scapula from the lung field?
1) Rotating shoulders forward
2) placing hands on the back of your hip
Where is the central ray located for a PA chest?
Midsagittal, level at 7th vertebrae
How many rib pairs should be demonstrated a PA chest?
10
And a lateral chest, how many inches above the shoulders sure the image receptor be placed?
1 1/2- 2 in above shoulders
Where is the central ray location for a lateral chest?
Mid-coronal plane at T7
What is the criteria used to evaluate whether you have a good lateral chest radiograph?
Superimposed ribs, hylum, apices, costophrenic angles
What is the difference between the structures shown between an AP and PA chest?
AP chest is magnified, clavicles higher and ribs appease more horizontal
PA chest shows better fluid
For what reasons are AP chest performed?
If the patient cannot stand or is too ill
Which 2 obliques of the chest will best demonstrate the left lung?
RAO and LPO
Which oblique of the chest utilizes a 55-60 degree rotation when viewing the heart?
LAO
Why is barium sometimes used in chest radiography?
Shows the lining of the esophagus to help demonstrate the heart shadow
How many degrees is the patient rotated and an RPO of the chest?
45 degrees
What is the name of the position where the patient leans back against the image receptor?
Lordotic or lindbolm method
Where is the central location in the lindbolm method?
Perpendicular at level of mid-sternum
What is demonstrated in the AP axial projection of the chest?
Ribs horizontal
Clavicles lye superior to apices
The the AP axial projection with the patient in supine, How many degrees and in which direction is the tube angled?
15-20 degrees cephalic
If the patient has fluid in the right long which decubitus position would be ordered?
Right lateral decubitus
How many minutes must the patient be lying on their side for a decubitus position?
5 min
Why are chest x-rays done erect ( standing up)?
To show fluid and air levels and better inspiration
If a patient has a chest x-ray to rule out pneumothorax what view has to be done?
Inspiration and expiration
If a patient cannot stand for a lateral chest what position can be performed?
Decubitus (dorsal or ventral)
What is the name of the membrane that covers the abdominal organs?
Visceral peritoneum
What is the function of the liver?
Produces bile and filters blood
What is the function of the gallbladder?
1) Stores and releases bile
2) Activates cholecystokinin hormone
In what quadrant is the spleen located?
LUQ
Which organ produces insulin?
Pancreas