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Question 1

What endocrine disorder is most likely to cause coronary atherosclerosis in dogs?

Answer 1

Hypothyroidism

Question 2

What is a common cause of secondary hyperparathyroidism in horses?

Answer 2

Low dietary calcium

Question 3

A five month old German Shepherd dog was less than a quarter the size of his littermates and had retained his puppy hair coat. Which endocrine disorder does this dog mostly likely have?

Answer 3

Hypopituitarism

Question 4

A ten year old dog with a long history of oral medications for allergic skin disease attended a veterinary clinic for removal of sutures following minor surgery. The surgical wound was gaping between the sutures and was healing very poorly. The dog was overweight, had a pot-bellied appearance, thin skin and areas of calcinosis cutis on its ventrum. What endocrine disorder does this dog most likely have?

Answer 4

Hyperadrenocorticism

Question 5

What disorder is likely to cause polyuria, polydypsia, weight loss, bilateral cataracts, hepatomegaly and glomerulosclesosis?

Answer 5

Diabetes mellitus

Question 6

What pathogenic mechanism of endocrine disease is involved in hyperadrenocorticism due to an ACTH secreting pituitary adenoma?

Answer 6

Secondary hyperfunction

Question 7

What clinical signs would you see with hypoparathyroidism?

Answer 7

Low PTH = Low bone resorption = low blood Ca++

Muscle excitability

Question 8

What are the three main causes of hyperparathyroidism?

Answer 8

Primary - functional chief cell neoplasms
Secondary nutritional - low Ca++ (or high Ph+) in the diet
Secondary renal - high calcium excretion / low phosphorus excretion

Question 9

What is the difference between type 1 and type 2 diabetes mellitus?

Answer 9

Type 1 = lack of insulin

Type 2 = insulin resistance