- 37. 1) More radiation takes place with high dose rates; 2) because a rapid delivery of radiation does not allow time for cellular damage to be repaired. a. Both statements are true b. Both statements are false c. The first statement is true; the second statement is false d. The first statement is false; the second statement is true A B C D 38. Which of the following is considered a short-term effect of radiation exposure? a. Genetic defects b. Birth abnormalities c. Hair loss d. Cancer A B C D
- 35. A nonthreshold dose-response curve suggests that: a. Below a threshold amount of radiation, no biologic damage occurs b. Below a threshold amount of radiation, a safe amount of biologic damage occurs c. Above a threshold amount of radiation, some biologic damage occurs d. No matter how small the amount of radiation received, some biologic damage occurs A B C D 36. The __ radiation received and the __ the dose rate, the shorter the latent period. a. Less; slower b. Less; faster c. More; slower d. More; faster A B C D
- __ __ B. Choose the Correct Word Name the correct body part. There may be more than one correct answer. 1. __ This is used to smell. 2. __ These are used to chew. 3. __ This is used to think. 4. __ This is facial hair on a man's cheeks and chin. 5. __ These are used to pick things up 6. __ This is used when you swallow food. 7. __ This is hair over the lip. 8. __ This connects the head to the body. 9. __ This joint allows your arm to bend. 10. __ This joint connects your hand to your arm. 11. __ This joint connects your foot to your leg. 12. __ This joint allows your leg to bend. 13. __ This is used to talk. 14. __ This hurts if you have a bad cough.
- 38. 1)All ionizing radiations are harmful and produce biologic changes in living tissue. 2)The amount of radiation used in dental radiography is small, but biologic damage does occur. a. Both statements are true b. Both statements are false c. The first statement is true; the second statement is false d. The first statement is false; the second statement is true A B C D 34. Which of the following statements is true regarding the direct theory of radiation injury? a. It involves absorption of an x-ray photon by water within a cell b. It involves the combination of free radicals to form toxins c. It involves a direct hit and absorption of an x-ray photon within a cell d. Both a b A B C D
- 1/15 Do Now:Which words are grouped properly from smallest to largest? 5 points Your answer molecules - maeromolecules - organelles - eell molecules - organelles - macromolecules - - cell organelles - molecules - macromolecules - eell macromolecules - molecules -organelles - cell Assigned
