Patient Care
Complete removal of all organisms from equipment and the environment in which patient care is conducted.
Surgical asepsis
Outward turning of the foot at the ankle is termed?
Eversion
What is the smallest particle of an element that retains the characteristics of the element?
Atom
Radiation leakage through any portion of the housing away from the useful beam, measured at a distance of 1m from the x-ray source, must not exceed ________.
0.88mGy/hr (100mR/hr)
Universal precautions should be practiced on ______.
All patients
The medical abbreviation “bid” refers to:
“two times a day”
What is a comminuted fracture of the ring of the atlas that involves both anterior and posterior arches causing displacement of the fragments?
Jefferson fracture
Each cell of an image matrix is called _____.
A pixel
A measure of radiation exposure in air defined in terms of charge within a volume of air with certain mass. Cannot assess biological damage.
Roentgen (R)
How much annual exposure can a 49-year-old occupational worker receive?
50 mSv
What is caused by an infection that results in extremely low blood pressure?
Septic shock
What describes a bowel obstruction caused by immobility of the bowel?
Adynamic ileus
What is the Star phantom and the line pair phantom used to test?
Resolution
How many amps of current are required for thermionic emission?
4 to 6 amps
The most radiosensitive cells in the body are:
Lymphocytes
What vein is the most common site for injection with a venous catheter or needle?
Antecubital vein
What angle does the OML form with the plane of the image receptor in a parietoacanthial (Waters) projection for the facial bones?
37 degrees
Low kVp causes ______ scale contrast, and a ________ histogram.
short; wide
True or False: When making X-rays, electrons slam into the target on the cathode
False; anode NOT cathode
What device spins at 10,000-12,000 rpm?
Anode
Rapid neurological assessment is accomplished by using the:
Glasgow scale
What is the position of the gallbladder in an asthenic patient?
Inferior and medial
What is used when the part being imaged has an uneven thickness?
Compensating filter
What is the name of the organization that enforces radiation protection standards relating to radioactive material at the federal level?
Nuclear Regulator Commission (NRC)
When the tube is not properly aligned to the IR, this causes:
Shape distortion
An inflammation of the serous membrane which lines the abdominal cavity is?
Peritonitis
The RPO position puts the ____ kidney parallel to the image receptor, and the ____ kidney perpendicular.
Left; right
Would you increase or decrease your exposure for pneumoperitoneum?
Decrease
Effects that become more severe as dose increases are called:
Deterministic effects
The medication Diphenhydramine is an example of an __________ which often kept when using contrast media.
antihistamine