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Feline Internal Medicine Flashcards

7 cards from real NAVLE practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

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  1. A cat with pleural effusion undergoes thoracocentesis. Analysis reveals chylous effusion (triglycerides > serum). What is the most common underlying cause in cats?

    Answer: Idiopathic chylothorax

    Idiopathic chylothorax is the most common cause in cats when lymphoma and cardiac disease have been excluded, though thoracic duct abnormalities are suspected.

  2. A 4-year-old indoor cat develops acute epistaxis and retinal hemorrhages. Blood pressure is 225/160 mmHg. Which primary disease is most commonly responsible for severe hypertension in cats under 7 years of age?

    Answer: Primary hyperaldosteronism

    Primary hyperaldosteronism is an important cause of severe hypertension in younger cats and should be investigated when CKD and hyperthyroidism are absent.

  3. Feline lower urinary tract disease (FLUTD) in a young male cat is most commonly attributable to which condition?

    Answer: Idiopathic feline interstitial cystitis (FIC)

    Idiopathic feline interstitial cystitis (FIC) accounts for approximately 55–65% of FLUTD cases in young cats, and bacterial UTI is rare in cats under 10 years.

  4. A cat with suspected exocrine pancreatic insufficiency (EPI) should have which test performed to confirm the diagnosis?

    Answer: Feline trypsin-like immunoreactivity (fTLI)

    Feline TLI (fTLI) below 8 µg/L confirms EPI in cats by measuring pancreatic exocrine secretion capacity; EPI is rare in cats but fTLI is the diagnostic gold standard.

  5. Which antiviral drug has been shown to induce remission of FIP caused by FCoV mutation (FIPV) in clinical trials and is now widely used off-label?

    Answer: GS-441524 (nucleoside analog)

    GS-441524, an adenosine nucleoside analog, inhibits FCoV replication and has shown >85% sustained remission rates in cats with wet and dry FIP in clinical studies.

  6. A cat with hepatic lipidosis secondary to anorexia requires nutritional support. What is the preferred route of alimentation?

    Answer: Esophagostomy tube feeding

    Esophagostomy tube placement is the preferred long-term enteral feeding route for hepatic lipidosis as it allows owner-administered home feeding, is well tolerated, and provides adequate caloric delivery.

  7. A Siamese cat presents with recurrent upper respiratory signs, chronic nasal discharge, and sneezing since kittenhood. Rhinoscopy reveals mucosal proliferation and turbinate destruction. Which diagnosis is most likely?

    Answer: Chronic rhinosinusitis secondary to herpesvirus-1 (FHV-1)

    Chronic rhinosinusitis with turbinate destruction in young cats with a history of repeated upper respiratory infections is most commonly a sequela of early FHV-1 infection causing permanent mucosal damage.