RTBC-CORE Flashcards
Streptococcal infections are caused by which pathogen:
bacteria
What is the annual whole-body radiation dose limit for infrequent exposure to the general public?
5 millisievert (mSv)
Increasing the kilovoltage peak (kVp) serves to increase the quantity of:
X-ray photons
Two half-value layers would result in a decrease in beam intensity by what percent?
75%
The zygapophyseal joints of a typical vertebra occur at the:
junction of an inferior articular process and a superior articular process
What milliampere-seconds (mAs) is produced with 220 milliamperes (mA) and 0.2 second exposure time?
44 mAs
The relationship between distance and the x-ray beam intensity is expressed by:
Inverse square law
The bottom reading of a blood pressure test is the:
Diastolic reading
What milliampere-seconds (mAs) is produced with 220 milliamperes (mA) and 1/5 second exposure time?
44 mAs
During an x-ray exposure, electrons accelerate towards which part of the x-ray tube?
anode
The side of the x-ray tube with negative charge is the:
cathode
During cardiopulmonary resuscitation (CPR) of an adult, the cardiac compression rate should be:
100-120 compressions per minute
Lethal effects on the embryo/fetus are most likely to occur during which stage of pregnancy?
preimplantation
Which tissue type exhibits the greatest growth rate and proliferation?
bone marrow
What is the medical term for fever?
pyrexia
