Thermoluminescence - Study guides, Class notes & Summaries

BIO 1M03 Test 2 Questions And Answers Angiosperm - ANS -flowering plant -has seeds with casing -has endosperm in seeds -fruit -most diverse Radiometric methods of dating - ANS -K/Ar (lava, 500K+ years) -C14 (conversion to N14, 40K yrs) -Thermoluminescence (burning) -Electron spin (teeth) -Uranium Lead (mineral deposits) Relative methods of dating - ANS -magnetic reversals -extinct and distinct species Primate - ANS -climbing/locomotion adaptations -big brain...

A patient receiving treatment to the head and neck region has experienced a skin reaction and mucositis at a total dose much lower than anticipated. The radiation oncologist requests an evaluation of the treatment. Which of the following steps should be taken? A. recalculate the treatment plan B. ensure that the depth dose, build-up region, wedge parameters, and other pertinent information for the treatment unit are correct C. review the treatment setup with the therapist D. recalcul...

Angiosperm - Answer -flowering plant -has seeds with casing -has endosperm in seeds -fruit -most diverse Radiometric methods of dating - Answer -K/Ar (lava, 500K+ years) -C14 (conversion to N14, 40K yrs) -Thermoluminescence (burning) -Electron spin (teeth) -Uranium Lead (mineral deposits) Relative methods of dating - Answer -magnetic reversals -extinct and distinct species Primate - Answer -climbing/locomotion adaptations -big brain -opposable thumbs and prehensile tails -na...

Angiosperms - Answer - ovules are covered by ovary - vascular plant w flowers - produce fruit - has seeds (innovative) - most diverse land plants - dominated habitats in cretaceous period Gymnosperm - Answer Ovules lack cover Relationship between Angiosperms/Animals - Answer - Coevolved (complex) - Animals assist with pollination/defense/disperal - Animals are rewarded with nect/fruit/shelter - Allows for development of niches/diversification Dating Ocean Core Strata - Answer -...

What are the 3 kinds of biases in the fossil record? geographical, taxonomic, temporal What is geographical bias? Certain climates are more conducive to fossil formations than others What is taxonomic bias? certain taxa fossilize better than others (hard-bodied organisms) What is temporal bias? the older a fossil is, the less likely we are to find it What are the 4 types of fossils? -compression/impression -casts and molds -unaltered remains -permineralized What are compression/impression f...

LRA 216 Final Exam Latest Update with Verified Solutions Dose limits are based on a _____ dose-response relationship to radiation. linear, nonthreshold The NCRP publishes annual dose limits for____exposure All of the above If a technologist is receiving 2 mGyt/hr standing 1 foot from the patient during fluoroscopy, what is his rate of exposure when he steps back to a distance of 2 feet from the patient? 0.50 mGyt/hr The first radiation health physicists worked with____ The atomic bomb When u...

ANP 203 Exam 2 Questions with complete solution how do archaeologists order artifacts into time series (seriation) using the principle of superstition? how do artifacts serve as time markers and help archaeologists cross-date sites? artifacts are ordered earliest (deeper) --> latest, (overlie) showing that deeper, underlying levels are older than those that overlie them. some artifacts that are dated can serve as markers for similar artifacts that are not yet dated and help sequence these....

IRRSP Questions and Answers Already Passed An atom, group of atoms, molecules or particles that have acquired or are regarded as having a net electric charge. Ion Atoms having the same number or protons but a different number on neutrons in the nuclei. Atoms with the same atomic number (the same chemical element) but different atomic weights. Isotope Any source that disrupts the electrical balance of an atom and results in the production of ions. Ionization The radation dose or amount of rad...

Final Test Bank Exam for Radiation Protection Question and Answers What is it called when there is a reduction in the intensity of an x-ray beam as it passes through material? Attenuation A dose of 25 rad to a fetus during fourth or fifth week of pregnancy is more likely to cause what? Skeletal Anomalies The largest dose to the male gonads is more likely to result from what type of x-ray examination? Any x-rays that are directly aimed at the male gonads. This may include. Pelvis, hip, sa...

What is a fold line and how is it used? - ANSWER-The fold line is a hinge line along which a vertical cross section may be constructed and then flattened out to a horizontal or map view. It is used to represent the subsurface along any given line in a map view. It need not be perpendicular to strike. What is the angle and side relationships for the sin equation? - ANSWER-sinα = opposite side/hypotenuse What is the angle and side relationships for the tanget equation? - ANSWER-tanα = oppo...