Chap 26

Question 1

S and sx: nausea, diarrhea, become chronic
CA: Giardia or Entamoeba
E: contaminated water
Tx: Boil, water filter

Answer 1

Giardiasis/Amebiasis

Question 2

Brain and spinal cord
* Brain - inflammation or infection is encephalitis
* Spinal cord - Inflammation is called myelitis

Answer 2

Central nervous system (CNS)

Question 3

• Nerves composed of neurons
• Motor neurons carry messages from CNS to body
• Sensory neurons carry messages to the CNS

Answer 3

Peripheral Nervous system (PNS)

Question 4

S & sx: sudden onset of severe headache, stiffness of neck, viral
CA: normal microbiota of upper respiratory tract, viruses
Dx: lumbar puncture, cloudy in bacterial, clear in viral

Answer 4

Meningitis

Question 5

S & Sx: fever, headache, vomiting, disorientation, localized paralysis,coma,seizures
CA: arboviruses, ex: west nile
P: can cross blood brain barrier
E: mosquitos
Tx: No vaccine

Answer 5

Encephalitis

Question 6

S & sx: 90% asymptomatic. paralytic, weak muscles, respiratory muscles weakened
CA: Polioviruses
Tx: vaccine, supportive care

Answer 6

Poliomyelitis

Question 7

S & sx: 2-3 months after infection, paresthesia, spread to CNS, Encephalitic
CA: Rabies virus
P: travels to spinal cord and brain
Tx: was wound with soap, PEP for animal, rabies vaccine(4)

Answer 7

Rabies

Question 8

S & sx: difficulty thinking, headache, paralysis, seizures, coma
CA: cryptococcus neoformans(yeast)
Tx: Antifungals, no vaccine

Answer 8

Cryptococcal meningoencephalitis

Question 9

S&sx: asymptomatic, latent, encephalitis, brain masses
CA: toxoplasma gondii, cats, undercooked meat
P: Ingestion of cysts
Tx: medication, wash hands, cook meat, wash fruits

Answer 9

Toxoplasmosis

Question 10

S&sx: anxiety, insomnia, fatigue, memory loss, incubation period may last years,death
CA: Prion
Tx: no treatment, always fatal

Answer 10

Spongiform Encephalopathy

Question 11

S&sx: paresthesia, loss of fingers and toes
CA: M. leprae- only grows in living cells
P: infects peripheral nerves, lepromatous, tuberculosis leprosy
Tx: long term antibiotics, no vaccine

Answer 11

Hansen’s disease (Leprosy)

Question 12

S&sx: respiratory and muscular paralysis, dizziness,dry mouth
CA: C. botulinum
E: endospores, foodborne, ingested honey
Tx: antitoxin, no honey for babies, no vaccine

Answer 12

Botulsim