Anti hbs Study guides, Class notes & Summaries

Concerning antigen-antibody reactions, the prozone effect causes which of the following results? A. False positive B. False negative C. No reaction D. Mixed field reaction B. False negative The following characteristics are applicable to Interferon-Gamma Release Assays (IGRAs) except: A. Can be used in patients with active tuberculosis disease symptoms B. Preferable for patients who have received a bacillus Calmette-Guérin (BCG) vaccination C. Can be used instead of purified ...

Ch 43 Hepatitis, cirrhosis, pancreatitis Exam Questions and Answers 100% Pass A 24-year-old female contracts hepatitis from contaminated food. During the acute (icteric) phase of the patient's illness, the nurse would expect serologic testing to reveal a. antibody to hepatitis D (anti-HDV). b. hepatitis B surface antigen (HBsAg). c. anti-hepatitis A virus immunoglobulin G (anti-HAV IgG). d. anti-hepatitis A virus immunoglobulin M (anti-HAV IgM). - Answer- ANS: D Hepatitis A is transmitt...

Ch 43 Hepatitis, cirrhosis, pancreatitis Exam Questions and Answers 100% Pass A 24-year-old female contracts hepatitis from contaminated food. During the acute (icteric) phase of the patient's illness, the nurse would expect serologic testing to reveal a. antibody to hepatitis D (anti-HDV). b. hepatitis B surface antigen (HBsAg). c. anti-hepatitis A virus immunoglobulin G (anti-HAV IgG). d. anti-hepatitis A virus immunoglobulin M (anti-HAV IgM). - Answer- ANS: D Hepatitis A is transmitt...

Hep-B Testing correct answers HBsAg, Anti-HBc, HBV-DNA Hep-C Testing correct answers Anti-HCV, HCV RNA HBsAG correct answers Appears @ 4 weeks after exposure- drops below detectable level at 24 weeks HBsAG detectable after 24 weeks correct answers Chronic Carrier HBeAG correct answers envelope Antigen means that the infection is ACTIVE and REPLICATING *you are extremely infectious here* anti-HBc correct answers appears about 6 weeks after exposure IgM first then igG alone ...

Liver cirrhosis. Esophageal varices Exam Questions and Answers 1. A health care provider who has not been immunized for hepatitis B is exposed to the hepatitis B virus (HBV) through a needle stick from an infected patient. The infection control nurse informs the individual that treatment for the exposure should include a. baseline hepatitis B antibody testing now and in 2 months. b. active immunization with hepatitis B vaccine. c. hepatitis B immune globulin (HBIG) injection. d. both the...

S. pyogenes RF- follows what and what is cause? pharyngitis-- T2HSr S. pyogenes ASGN- follows what and what is cause? impetigo --> T3HSR CO poisoning BG cerebellum hippocampus MOA of methyldopa false nt--> acts as partial agonist at alpha 2--> centrally acting MOA and SE of azathioprine? precursor of 6-mercaptopurine inhibits lymphocyte proliferation by blocking nucleotide synthesis SE: leukopenia, anemia, thrombocytopenia **DEGRADED BY Xanthine oxi...

DAT 100 Final Exam Questions with Answers 100% correct | 2024 update DAT 100 Final Exam Questions with Answers 100% correct | 2024 update Which of the following forms of hepatitis is transmitted through contaminated food or water? A. Hepatitis A B. Hepatitis B C. Hepatitis C D. Hepatitis D - Answer Hepatitis A The greatest occupational risks for exposure to hepatitis B virus are: (1) blood and saliva contamination of cuts and cracks on the skin or ungloved hands or hands with torn glo...

When preparing cryoprecipitate from plasma, the cryoprecipitate must be refrozen within? - 1 hour Donated blood may not be used for allogeneic transfusion when HCV testing shows? - EIA initial testing reactive, and one of the duplicate repeat results is reactive The following hepatitis B testing results indicates: HBsAg: Nonreactive, Anti-HBc: Reactive, Anti-HBs: Reactive, RNA HBV: nonreactive. - Recurring infection (CDC says immune due to natural infection) The antigen that occurs in appro...

CPAP ISBB1. The production of antibodies by B cells is turned off by a. Cytotoxic T cells b. Helper T cells c. B lymphocytes d. Suppressor T cells d. Suppressor T cells 2. Which of the following cells recognize certain substances as "foreign" (nonself)? a. B lymphocytes b. T lymphocytes c. Macrophages d. Basophil a. B lymphocytes 3. One dimensional single electroimmunodiffusion is also known as a. Immunoelectrophoresis b. Counterimmunoelectrophoresis c. Radioimmunoas...

hypersensitivity CORRECT ANSWER-an allergic immune response to an antigen high-level infection CORRECT ANSWER-process of inactivating bacteria, mycobacteria, fungi, and viruses BUT NOT large # of spores Hep B surface antibody (anti-HBs) CORRECT ANSWER-protective antibody against Hep B Hep B e Antigen (HBeAg) CORRECT ANSWER-found in serum during acute/chronic Hep B infection. Indicative of viral replication and increasing infection. Hep B surface antigen (HBsAg) CORRECT ANSWER-serolog...