Patient Care
What position is it called when the patient's head is lower than their feet?
Trendelenburg
What quadrant is the liver and gallbladder found?
RUQ (right upper quadrant)
Asthenic body habitus refers to what type of person?
slender or frail
What does ALARA stand for?
As Low As Reasonable Achievable
What type (length) of wavelength does the most penetrating x-ray photons have?
short or small
What is an intrathecal injection?
injection into the spinal canal
What position will demonstrate the best view of the sternum?
RAO
How much angulation is required for a AP cervical spine?
15-20 degree cephalad
What is the main cause of a blurred image?
patient motion
What is the formula used to find the maximum number of electron that can occupy a shell?
2n2
What vital sign is the most important to take with patients that are in shock?
Blood pressure
Inferior portion of the patella?
Apex
How do you correct a quantum mottle artifact?
Increase mAs
What type of metal is used for the filament coils that sit within the focusing cup?
Tungsten
If the distance is doubled, what is the intensity at the IR?
reduced 1/4
What type of contrast should be used of the GI tract when a perforation in the bowel is suspected?
water-soluable iodinated contrast
What SC joint will be shown in a 10-15 degree LAO position?
left
How should you position the oblique position of the 4th digit?
45 degree lateral oblique
When electrons are raised to an excited state but not ejected from orbit. What is the result?
Heat
Half value layer. The thickness of a material required to reduce the intensity of an X-ray beam by half
Where does the tip of a PICC line sit when placed in a patient?
superior vena cava
In a small bowel follow through, when is the exam complete?
When the contrast reaches the cecum
What position demonstrates the zygapophyseal joints of the cervical spine?
lateral view
What is x-ray tube arcing?
tungsten vaporization coating the tube housing
What type of x-ray is created when an x-ray photon is completely absorbed by the atom?
Photoelectric effect