NSG 554 - Nurse Practitioners in Primary Care I
Exam 1
Question:
Yellow Fever (Aedes mosquito) S&S: Mild
Answer:
Incubation 3-6 days Mild form- malaise, headache, fever, retroorbital pain, nausea, vomiting, photophobia; Relative bradycardia, conjunctival injection and facial flossing may be present
Question:
Yellow Fever (Aedes mosquito) S&S: Severe
Answer:
Initial symptoms are mild but a brief fever remission lasting hours to a few days is followed by a period of intoxication manifested by fever, relative bradycardia (Faget sign), hypotension, jaundice, hemorrhage, delirium
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Question:
Yellow Fever: Laboratory findings
Answer:
Leukopenia, elevated liver enzymes, bilirubin, proteinuria Early stages (up to 10 days) can be diagnosed with RT-PCR in blood Later stages ELISA to measure IgM 3 days after onset of symptoms ( west nile, zika can give false-positive)
- yellow fever virus-specific IgM antibody and negative ELISA panel to
confirm diagnosis
Question:
Yellow Fever: treatment
Answer:
supportive, no antivirals
Question:
Yellow Fever: Prevention
Answer:
Live-attenuated 17D strain vaccine, single dose contraindicated in those with egg allergies, immunocompromised, over the age of 60 or breastfeeding, pregnant Recommended for those over 9 months 2 / 3
Question:
Zika Virus (Aedes Mosquito)
Answer:
Flavivirus transmitted from mosquito or sexual transmission from males to females (can persist in semen for months), vertical transmission from mothers to fetus
Question:
Zika Virus (Aedes Mosquito): S & S
Answer:
incubation period is about 10 days acute onset fever, maculopapular rash usually pruritic, non purulent conjunctivitis, arthralgia (mimics chikungunya virus); symptoms up to 7 days
Question:
Zika Virus (Aedes Mosquito): laboratory findings
Answer:
diagnosed through IgM after 4+ days of symptom onset or IgG after 7+ days
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