ECONOMICS,NURSING,BIOLOGY AND ALL REVISION MATERIALS

ERHS 450 Exam 2 Questions & Answers 2024/2025 endogenous sources of DNA damage - ANSWERSHydrolysis, oxidation, methylation Hydrolysis - ANSWERSabout 10,000 damages Oxidation - ANSWERSabout 3,000 damages reactive oxygen species from the body's cells (free radicals) Methylation - ANSWERSabout 4,000 damages How do damaged bases cause mutation? - ANSWERSBy changing base pairing properties and causing incorportation of a wrong base during the next round of DNA replication Exte...

ERHS 450 Exam 3 Vocab 6 Questions & Answers 2024/2025

ERHS 502 fundamentals of toxicology final exam questions & answers 2024 thalidomide (use, MOA, effect) - ANSWERSused to treat morning sickness creates oxidising (low GSH) environment that suppresses transcription factor NF-KB that you need to turn on genes for growth (not able to reduce S-SG to bind to DNA with the free thiol) ---> NECROSIS limb bud formation disrupted - imb atresia, regression /stunted vessels (malformed limbs) note: need high GSH (reducing) environment to prol...

ERHS 450 Exam 3 Vocab 9 Questions & Answers 2024/2025

ERHS 450 Radiation Biology Exam 3 Questions & Answers 2024/2025 epithelium - ANSWERScells lining cavities and surfaces of the body hematopoietic - ANSWERSradiation syndrome where death is generally associated with infection reverting post mitotic (RPM) - ANSWERSclassification that includes liver, pancreas, and thyroid anorexic - ANSWERSa condition of not eating or no appetite LD50 - ANSWERSdeath in half the population translational - ANSWERSfrom laboratory research to clinica...

ERHS 502 Exam 2 Questions & Answers 2024/2025

ERHS 502 Exam 1 Questions & Answers 2024/2025 What is Toxicology? - ANSWERSThe study of adverse effects of agents on living organisms What is a Toxin? - ANSWERSA toxic substance produced naturally What is a Toxicant - ANSWERSA toxic substance produced by humans or is a by-product of human-made activities What is an example of a Toxin: - ANSWERSSnake Venom Toxin What is an example of a Toxicant: - ANSWERSBenzene (Carcinogen), Pesticides, Antifreeze (Ethylene Glycol) How can a ...

ERHS 601 Exam 1 Questions with 100% Correct Answers 2024/2025 Where in the body does the toxicant have e the most effect - ANSWERSLungs, heart, kidneys, brain, liver, peripheral nerves Biotransformation - ANSWERSEnzymatic alteration of xenobiotics can occur as the results of • Hydrolysis • Oxidation • Reduction • Conjugation Some of these reactions may also occur non-enzymatically Biotransformation Can Change or Introduce A Functional Group - ANSWERSPhase I reactions...

ERHS 430 Exam 1 Questions & Answers 2024/2025 Health - ANSWERSThe combination of physical, mental/emotional, and social well-being OR absence of disease OR ability to adapt to one's enviornment Individual Health - ANSWERSPhysical and Emotional state of well-being - may be a reflection of the environment Public Health - ANSWERSthe practice of protecting and improving the health of people in a community - largely aimed at preventative measures Population Health - ANSWERSthe healt...

BUNDLE - CARTE EXAMS

BUNDLE - SPC EXAMS

ERHS 430 Exam 2 Questions & Answers 2024/2025 What is an arbovirus? - ANSWERSAn anthropod-borne virus List a couple of arthropod vectors - ANSWERSTicks, Mosquitoes Which viruses discussed have zoonotic reservoirs? - ANSWERSJapanese Encephalitis Virus (JEV), Eastern Equine Encephalitis Virus (EEEV), and Rift Valley Fever Virus (RVFV) Which viruses discussed have human reservoirs? - ANSWERSZika Virus and Chikungunya Virus What are the general clinical symptoms, treatment, and prev...

ERHS 569 Exam 1 Questions & Answers 2024/2025 GLP 10 principles - ANSWERS1. Test facility organization 2. Quality assurance program ities 4. apparatus, material, reagents 5. test systems 6. test and reference items 7. SOP's 8. performance of the study 9. reporting of study results 10. storage and retention of records and materials 1902 Biologics Control Act - ANSWERSEnsures purity & safety of serums, vaccines. -caused by diphtheria epidemic 1906 Pure Food and Drug Act - A...

ERHS 601 Exam 1 Questions & Answers 2024/2025 Metabolism involves breaking bonds - ANSWERSStructure (size, shape, electronegativity, electron density) determine where bonds break Chemical properties that determine function - ANSWERS-Physical state -Solubility -Reactivity -Interaction with biological molecules -Atomic size -Affinity for electrons ADME - ANSWERSAbsorption - Uptake Distribution - Chemical Fate Metabolism - Biotransformation Excretion -Chemical properties deter...

ERHS 446 EXAM 1 QUESTIONS & ANSWERS 2024/2025 Chemical Properties - ANSWERSMolecular Size, physical state. vapor pressure. solubility, partition behavior, density, reactivity bioaccumulation - ANSWERSselective absorption and storage in cells and tissues of an organism biomagnification - ANSWERStoxic burden of a large number of organisms at a lower trophic level is accumulated and concentrated by a predator at a higher trophic level persistence - ANSWERSrings and halogen groups make...

ERHS Exam 1 Questions with 100% Correct Answers 2024/2025

ERHS Exam 1 Questions & Answers 2024/2025 Who is the father of Toxicology? a. Paracelsus b. Dioscorides c. Ramazzini d. Orfila - ANSWERSa. Paracelsus The Father of Epidemiology is: a. John Ramazzini b. john Orfila c. John Potts d. John Snow - ANSWERSd. John Snow Rachel Carson's book "silent Spring" was discussing which chemical? a. DDT b. benzo(a)pyrene c. sarin d. chloroform - ANSWERSa. DDT Contaminants in Soil can move due to: a. incident precipitation b. ...

A La Carte Exam Questions with Complete Solutions 2024/2025

a la carte menu final exam questions & answers 2024/2025

Magna carte exam questions & answers 2024/2025