Vet360 Vol 3 Issue 04 August 2016 | Page 19

AC / 1534 / 16
CPD ACCREDITED ARTICLE

CPD Questions

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1 . Which one of the conditions listed below is a common cause of feline hyperthyroidism is INCORRECT ? a . Benign nodular hyperplasia . b . Adenomatous hyperplasia . c . Thyroid adenocarcinoma . d . Unilateral thyroid adenoma . e . Bilateral thyroid adenoma .
2 . Which one of the factors listed below is NOT considered one of the risk factors for feline hyperthyroidism ? a . Indoor lifestyle . b . Pure bred cats c . Presence of dental disease . d . Cats where topical flea preparations were used . e . Cats exposed to cat litter .
3 . Which one of the clinical signs mentioned below is NOT consistent with a diagnosis of apathetic hyperthyroidism in a cat ? a . Depression b . Lethargy c . Reduced appetite d . Possible weight gain e . Bradycardia
4 . Which one of the changes listed below is NOT one of the routine screening changes seen in hypothyroid cats . a . Elevated ALT and or ALP . b . Erythrocytosis . c . Mild hypokalaemia . d . Mild hyperphosphataemia . e . Mild azotaemia .
5 . Which one of the following statements regarding feline hyperthyroidism is INCORRECT ? a . Weight loss is one of the most common clinical signs . b . The majority of cats have a palpable goitre . c . Cardiovascular changes are less common than initially thought . d . Cats with nodules which are euthyroid are being increasingly identified . e . Cats go through a 1-3 year period of subclinical hyperthyroidism .
6 . Which one of the following statements regarding the confirmatory diagnosis of feline hyperthyroidism is IN- CORRECT ? a . A tT4 confirms the diagnosis in most cats - resting tT4
> 50nmol / L b . A tT4 in the top normal reference range excludes a diagnosis of feline hyperthyroidism c . A tT3 is less sensitive than tT4 – 30 % of affected cats will show false negative results d . A fT4 is more sensitive than tT4 for diagnosing hyperthyroidism in cats but has a poor test specificity – false positives in sick cats . e . A tT4 in the top normal reference range combined with a high fT4 is consistent with mild hyperthyroidism .
7 . Which one of the following statements relating to cTSH in cats is INCORRECT ? a . The cTSH assay is used in the measurement of feline
TSH . b . In cats with subclinical hypothyroidism the cTSH are low or undetectable . c . Measurement of cTSH is very a sensitive but non-specific diagnostic test . d . In a study evaluating cTSH almost no euthyroid cats had suppressed cTSH levels e . The majority of hyperthyroid cats had very suppressed cTSH levels
8 . Which one of the following statements concerning scintigraphy in cats with hyperthyroidism is INCORRECT ? a . Scintigraphy compares the activity of the thyroid glands to that of the salivary glands . b . Scintigraphy is a very accurate and reproducible test . c . Scintigraphy can detect unilateral , bilateral and ectopic thyroid tissue involvement . d . Scintigraphy assists with surgical planning . e . Scintigraphy can easily cause the patient to develop hypothyroidism .
9 . Which one of the following statements regarding the medical treatment of hyperthyroidism in cats is INCOR- RECT ? a . Initial medical treatment is advised to stabilise the patient for surgery and general anaesthesia . b . Initial medical therapy is important to evaluate the effect of treatment on renal function . c . Cats which were azotaemic before initiation of medical treatment had no difference in outcome from those which were not . d . Cats which develop significant azotaemia after surgical treatment should be given L-thyroxine to maintain a euthyroid or mildly hyperthyroid state . e . Cats which develop mild azotaemia after reaching a euthyroid state had the same survival times as those who did not .
10 . Which one of the following statements regarding the medical treatment of hyperthyroidism in cats is INCOR- RECT ? a . Methimazole and carbimazole block T3 and T4 synthesis . b . It will take at least 4 weeks to achieve a significant decrease in tT4 levels . c . The drugs are most effective given 2 – 3 x / day . d . Side effects , if they occur , will only do so after prolonged use of the medication . e . The successful response rate is 85 % if patient and owner compliance is good .
Issue 04 | AUGUST 2016 | 19