Antigenic drift - Study guides, Class notes & Summaries

HSC 4504 Exam 3 Questions and Answers (Graded A)HSC 4504 Exam 3 Questions and Answers (Graded A)HSC 4504 Exam 3 Questions and Answers (Graded A)HSC 4504 Exam 3 Questions and Answers (Graded A) antigenic shift - ANSWER-rearrangement of genes - discontinuous and irregular variation major antigenic drift - ANSWER-mutation and selection- gradual and continuous variation minor antigenic variation - ANSWER-Alter surface proteins - parasite coevolve with antibody response purpose of combina...

Kleinman explanatory Model - ANSWER Eliciting the patient's (explanatory) model gives the physician knowledge of the beliefs the patient holds about his illness, the personal and social meaning he attaches to his disorder, his expectations about what will happen to him and what the doctor will do, and his own therapeutic goals Cultural competence - ANSWER Cultural competence is defined as "a dynamic, fluid, continuous process whereby an individual, system or health care agency find meaningf...

NURS 5461 INFECTIOUS DISEASE—PART II EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED GRADED A++ Human Influenza appears in antigen types A and B; mutations produce new strains each flu season, In the elderly, influenza often leads to pneumonia [5th leading cause of death in older population]- 85% of those vaccinated develop immunity Influenza: Prevention and Screening 85% of those vaccinated develop immunity. Amantadine [Symmetrel] or Rimantadine [Flumadine] given after expos...

-cidal - killing -static - Having no motion or change 3 lines of defense - Barriers; inflammatory response; Immune response 3 types of reservoirs of infection - human, animal, nonliving 6 types of enzymes - oxidoreductase, transferase, hydrolase, lyase, isomerase, ligase Abiogenesis - spontaneous generation acquired immunity - Immunity that is present only after exposure and is highly specific. Aerobic bacteria - Bacteria that require oxygen for survival Agranulocytes - lymphocytes and m...

pseudo aeruginosa vs putida growth at 42C Characteristic of transudate noninflammatory response Why vaccinate for influenza Antigenic drift Foward 4+ 4+, Reverse 2+ 2+ Next step? (Warm sample, room temp incubation, ....) warm sample Foward 0 2+/mf, Reverse 4+ 0 Cause of discrepancy? Transfused with O cells or B subgroup? (Transfused with O cells more likely)

__ are an example of viruses with a segmented (-) RNA genome. - Orthomyxoviruses (-) strand: - Opposite of (+) strand and complementary. (+) strand: - Used or make mRNA Abortive polio: - - most common form (95% cases) - febrile illness (fever, malaise, drowsiness, headache, nausea, vomiting, sore throat) - complete recovery in several days - only recognized if observed in the blood Adsorption - When the virus attaches to the outside of the host cell. Doesn't require energy from the host...

IMM250 ACTUAL EXAM QUESTIONS AND ANSWERS ALL CORRECT How can antibodies defend a host against a virus? - Answer- -Antibodies can neutralize the virus by binding to it before it enters a host cell - Antibodies can bind to virus protein antigens on the infected cell surface leading to complement-mediated or NK-mediated lysis of the cell. In neonatal immunity: - Answer- Protective antibodies are obtained from the mother during pregnancy and breast feeding. A monoclonal antibody preparation...

NURS 5315 FINAL EXAM WITH 100%VERIFIED COMPLETE SOLUTIONS. NURS 5315 FINAL EXAM Anion gap 3-10 normal osmol gap is < 10 mOsm/kg elevated = etoh Dehydration triggers renin Cirrhosis increases oncotic pressure HF decreases it. Elevated serum osmolality pulls potassium Thiazide diuretics cause metabolic alkalosis due to aldosterone stimulating reabsorption of Na and bicarb in proximal tubule. ACIDOSIS = hyperkalemia Crohn’s active IL-4. IL-4 is associated with inflammation. Diapede...

NR503 Final Exam Questions With Verified And Updated Answers. A global epidemic of disease that spreads to more than one continent - answerPandemic the occurrence of disease in excess of what would normally be expected in a community, location, or time of year. May last a matter of days, weeks, or years - answerOutbreak The separation and restriction of people who were exposed to contagious disease to see whether they become ill - answerQuarantine seperation of sick people from those who ...

Once a virus has invaded a host cell, the host cell will most likely be destroyed as a result of _____. - Answer-the virus causing the host cell to burst All viruses contain - Answer-genetic material and a protein coat. Which statement regarding virus reproduction is true? - Answer-Viruses use the host cells' organelles to produce viral nucleic acids. Which statement regarding viruses is true? - Answer-All true: Viruses are enclosed in a protein shell. Each virus has a unique shape. Herp...