Antigenic drift - Study guides, Class notes & Summaries

Which term is used to describe the process when a virus is engulfed by a cell in a vacuole or vesicle? correct answers Endocytosis How many viruses in the human body are pathogenic correct answers a few At minimum, all viruses are composed of correct answers proteins and nucleic acids Which term describes a nonliving microscopic agent? correct answers infectious particle How were viruses discovered correct answers using a filter The two principal processes by which viruses penetra...

APhA Immunization Training | 100% Correct | Verified | 2024 Version When looking at the schedule for vaccines that might be indicated for children and adolescents aged 18 years or younger based on medical indications, what does the orange bar represent? a. Contraindicated. b. Precautions for vaccination. c. Recommended if an additional risk factor is present. d. Additional doses may be needed based on condition. - b During which step of the Pharmacists' Patient Care Process woul...

What is a function of bile?emulsification of fats Which chemical constituents in urine is the result of fatty acid catabolismAcetone What is mange?infestation of mites What is a feature of the capillary technique of fine needle biopsy?Cells are forced into the hub of the needle from the pressure of the puncture What is not commonly measured in liver function profile?Urea What best describers antigenic drift?A virus mutates so that preexisting antibodies can no longer bind and become use...

VTPB 221 Final Exam Questions And Answers With Real Tests To control the Rift Valley Fever, which of the following is important: ANS Decrease the mosquito population which transfer the disease The theory of spontaneous generation (Living organisms evolves from nonliving organisms) was advocated and defended by the Church because: ANS It confirms the concept of creation Influenza pandemic is usually associated with ANS Antigenic drift among statins of the influenza agent From the mov...

BIO 520 Chapter 21 Reading Assignment Questions with 100% Correct Answers The upper respiratory tract includes which of the following structures? A: Nasal cavity B: Epiglottis C: Oral cavity D: Trachea E: Bronchioles F: Bronchi G: Alveoli H: Larynx I: Sinuses J Pharynx - answerA: Nasal cavity B: Epiglottis C: Oral cavity H: Larynx I: Sinuses J Pharynx Which four of the following are considered normal microbiota of the respiratory tract? A: Staphylococcus aureus B: Candida alb...

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 combination antiviral therapy - ANSWER-one pill contains 3 inhibitors, stop virus from copying Bacterial superantigens - ANSWER-toxins that increase adherence between MHC class II proteins on antigen-...

Which of the following is a function of bile? a. secretion of sucrose b. emulsification of fat c. digestion of starch d. breakdown of proteins - Answer-b. emulsification of fat Which of the following chemical constituents in urine is the result of fatty acid catabolism? a. acetone b. bilirubin c. glucose d. hemoglobin - Answer-a. acetone What is mange? a. hair loss b. rough hair coat c. infestation by lice d. infestation by mites - Answer-d. infestation by mites Which is a f...

Microbiology CH.25 RNA Viruses Advanced Exam Questions & Answers 2024. Which febrile disease with a rash has a pathogen that can cross the placenta and cause serious fetal damage? a. croup b. mumps c. measles (rubeola) d. rubella - correct answer d. rubella Hydrophobia, the dumb phase, and Nergi bodies in nervous tissue are all part of which disease? a. rabies b. dengue fever c. Norwalk virus d. Subacute sclerosing panencephalitis (SSPE) e. Creutzfeldt-Jakob Disease - cor...

MIP 300 Final Exam Question and answers correctly solved 2023/2024Antigenic drift - correct answer Small changes (or mutations) in the genes of influenza viruses that can lead to changes in the surface proteins of the virus Antigenic shift - correct answer An abrupt, major change in an influenza A virus, resulting in new surface proteins and/or new HA and NA proteins in influenza viruses that infect humans Asymptomatic carriers - healthy - correct answer A person or other organism that has...

MCB 150 Midterm 3 Questions and Answers Latest 2024 Issues for vaccine design - antigenic variation/drift: viruses have different antigenic subtypes and some have high mutation rates - prevent potential pathogenesis: vaccines must not cause excess immune pathology; some vaccine trials result in worse disease antibody dependent enhancement (ADE) a vaccine makes the infection worse instead of preventing it inflammation a nonspecific response mediated by cytokines, small mole...