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Questions and Answers
What is the most commonly performed static thyroid hormone measurement for screening hypothyroidism in dogs?
What is the most commonly performed static thyroid hormone measurement for screening hypothyroidism in dogs?
- Free T4 concentration by analogue methods
- Free T4 concentration by direct dialysis
- Total T4 concentration (correct)
- Total T3 concentration
Which serum biochemical abnormality is widely observed in dogs with hypothyroidism?
Which serum biochemical abnormality is widely observed in dogs with hypothyroidism?
- High serum triglycerides
- Low serum cholesterol
- Hypercholesterolemia (correct)
- Normal alkaline phosphatase levels
What is the classic hematologic finding associated with hypothyroidism in dogs?
What is the classic hematologic finding associated with hypothyroidism in dogs?
- Normocytic, normochromic, regenerative anemia
- Normocytic, normochromic, nonregenerative anemia (correct)
- Macrocytic, hyperchromic, regenerative anemia
- Microcytic, hypochromic, nonregenerative anemia
Why is measurement of free T4 not always superior to total T4 in diagnosing hypothyroidism in dogs?
Why is measurement of free T4 not always superior to total T4 in diagnosing hypothyroidism in dogs?
What should be suspected when serum T3 concentrations are high in dogs with documented hypothyroidism?
What should be suspected when serum T3 concentrations are high in dogs with documented hypothyroidism?
Why is the diagnostic value of serum T3 determination considered weak during early thyroid failure?
Why is the diagnostic value of serum T3 determination considered weak during early thyroid failure?
What is the most reliable method for diagnosing hypothyroidism in dogs?
What is the most reliable method for diagnosing hypothyroidism in dogs?
Which statement about hypothyroidism in dogs is true?
Which statement about hypothyroidism in dogs is true?
What can lead to low serum thyroid hormone measurements in euthyroid (normal thyroid function) dogs?
What can lead to low serum thyroid hormone measurements in euthyroid (normal thyroid function) dogs?
What is the purpose of provocative thyroid function tests in diagnosing hypothyroidism?
What is the purpose of provocative thyroid function tests in diagnosing hypothyroidism?
What is the primary factor in choosing and interpreting diagnostic tests for hypothyroidism?
What is the primary factor in choosing and interpreting diagnostic tests for hypothyroidism?
What does the text suggest about clinicopathologic abnormalities associated with hypothyroidism?
What does the text suggest about clinicopathologic abnormalities associated with hypothyroidism?
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