Calcium

Question 1

What converts Vit D3 to 25VitD?
A) Kidney
B) Liver
C) GIT
D) Spleen

Answer 1

B

Question 2

What converts 25VitD to 1,25VitD (the most active form)?
A) Kidney
B) Liver
C) GIT
D) Spleen

Answer 2

A

Question 3

Which of the following is not a CS of hypercalcemia?
A) PUPD
B) Central DI
C) Weakness
D) Lethargy, inappetance
E) Nephrogenic DI

Answer 3

B

Question 4

Nephrogenic DI results in the kidney not being able to respond to ADH. During what condition can this occur?
A) Diabetes mellitus
B) Hypercalcemia
C) Hyperadrenocorticism
D) Hypothyroidism

Answer 4

B

Question 5

What causes ADH release? Inhibition?

Answer 5

Dehydration (high blood osmotic pressure) , overhydration

Question 6

Which of the following is not a function of ADH?
A) Increased urine production
B) Decreased sweating
C) Increased BP
D) All of the above are functions of ADH

Answer 6

A= decreased

Question 7

Where is ADH made? stored?

Answer 7

hypothalamus, posterior pituitary

Question 8

Which of the following can be used to treat hypercalcemia?
A) saline diuresis
B) fureosemide
C) glucocorticoids
D) calcitriol

Answer 8

ABC

calcitonin can be used! not calcitriol

Question 9

Biphosphonates may be helpful for what condition causing hypercalcemia?
A) Renal failure
B) Multiple myeloma
C) Addison's
D) Spurious

Answer 9

B

inhibits osteoclastic activity

Question 10

which of the following is false regarding primary hypoparathyroidism?
A) It is an idiopathic and rare condition
B) Occurs more commonly in large breeds
C) Higher incidence in females ~ 5 y/o
D) All of the above are true

Answer 10

B small breeds

Question 11

Which of the following is ideal for diagnosis of hypocalcemia?
A) Total ca
B) Serum ionized ca
C) Serum chelated ca
D) Free Ca

Answer 11

B

Question 12

Which of the following is true regarding treating hypoparathyroidism?
A) Oral calcium supp will be required lifelong
B) Oral vit d supp will be required lifelong
C) A/B
D)Oral ca supp may be able to be weaned, oral vit D will be lifelong

Answer 12

D

Question 13

Which of the following is true regarding treating primary hypoPTH?
A) goal is to maintain high normal Ca levels
B) Recheck ca levels in one week
C) Goal is to maintain low normal Ca levels
D) None of the above

Answer 13

C- avoid hyperCa

recheck every 2-3 mos

Question 14

What part of the hypothalamus is ADH made in?

Answer 14

supraoptic nucleus