Domanda del libro di testo
True or False: Giardia infections in the United States are all imported from other countries.
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Ch. 19 - Digestive System Infections
Norman-McKay2nd EditionMicrobiology: Basic and Clinical PrinciplesISBN: 9780137661619
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TOC.tableOfContents
- Ch. 2 - Biochemistry Basics19
- Ch. 4 - Introduction to Eukaryotic Cells16
- Ch. 6 - Viruses and Prions12
- Ch. 8 - Microbial Metabolism16
- Ch. 9 - Principles of Infectious Disease and Epidemiology11
- Ch. 10 - Host Microbe Interactions and Pathogenesis19
- Ch. 11 - Innate Immunity24
- Ch. 12 - Adaptive Immunity22
- Ch. 13 - Immune System Disorders15
- Ch. 14 - Biomedical Applications: Vaccines, Diagnostics, Therapeutics, and Molecular Method14
- Ch. 15 - Antimicrobial Drugs18
- Ch. 16 - Respiratory System Infections16
- Ch. 17 - Skin and Eye Infections19
- Ch. 18 - Nervous System Infections12
- Ch. 19 - Digestive System Infections20
- Ch. 20 - Urinary and Reproductive System Infections10
- Ch. 21 - Cardiovascular and Lymphatic Infections15
Norman-McKay2nd EditionMicrobiology: Basic and Clinical PrinciplesISBN: 9780137661619Non è quello che usi tu?Cambia libro di testo
Capitolo 15, Problema 21
Which of the following is most controversial for a nonseptic patient with E. coli O157:H7?
a. Administering oral rehydration therapy
b. Administering antibiotic therapy
c. Administering fever-reducing medications
d. Administering intravenous rehydration therapy
e. Withholding agents like diphenoxylate-atropine that reduce GI tract motility
Guida verificata passo dopo passo1
Step 1: Understand the clinical context of E. coli O157:H7 infection, which is a strain known to cause severe gastrointestinal illness, including hemorrhagic colitis and hemolytic uremic syndrome (HUS).
Step 2: Recognize that in nonseptic patients (those without systemic infection), treatment focuses on supportive care rather than aggressive interventions.
Step 3: Review the role of antibiotics in E. coli O157:H7 infections. Antibiotic therapy is controversial because it may increase the risk of HUS by causing bacterial lysis and release of toxins.
Step 4: Consider the safety and appropriateness of other options: oral and intravenous rehydration are standard supportive treatments; fever reducers are generally safe; and agents that reduce GI motility are usually withheld to avoid prolonging toxin exposure.
Step 5: Conclude that among the options, administering antibiotic therapy is the most controversial choice for a nonseptic patient with E. coli O157:H7 due to potential risks outweighing benefits.
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E. coli O157:H7 Pathogenesis and Clinical Presentation
E. coli O157:H7 is a shiga-toxin producing strain causing severe gastrointestinal illness, often with bloody diarrhea. It can lead to complications like hemolytic uremic syndrome (HUS), especially in children. Understanding its pathogenesis helps explain why certain treatments may be risky or beneficial.
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Controversy of Antibiotic Use in E. coli O157:H7 Infections
Antibiotic therapy in E. coli O157:H7 infections is controversial because some studies suggest antibiotics may increase toxin release, raising the risk of HUS. Therefore, antibiotics are generally avoided unless absolutely necessary, highlighting the importance of cautious treatment decisions.
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Supportive Care and Management of E. coli O157:H7
Supportive care, including oral or intravenous rehydration, is the mainstay treatment for E. coli O157:H7 infections. Fever reducers and agents that slow GI motility are used cautiously or avoided to prevent worsening symptoms or complications, emphasizing the focus on symptom management rather than aggressive interventions.
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Pratica correlata
Domanda del libro di testo
Larry goes to his local Red Cross center to donate blood for the first time. A few weeks later a Red Cross agent contacts him to ask him to come in for a confidential meeting. During the meeting, Larry learns that his blood tested positive for hepatitis. He claims to be in excellent health and doesn’t believe the diagnosis. What virus does Larry most likely have? (NCLEX/HESI/TEAS)
a. Hepatitis A
b. Hepatitis B
c. Hepatitis C
d. Hepatitis D
e. Hepatitis E
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Domanda del libro di testo
A lower endoscopy examination of a patient complaining of abdominal cramps and diarrhea reveals pus-laden patches along the intestinal wall. Which of the following infectious agents could be considered the pathogen responsible for this condition?
a. Clostridioides difficile
b. Shigella
c. Salmonella serotype Typhi
d. Helicobacter pylori
e. Campylobacter jejuni
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