Fluid and Electrolytes

Question 1

What is aldosterone?
Where is it found?
What is it’s action?

Answer 1

steroid, mineralocorticoid
adrenal gland
retain sodium and water

Question 2

Disease with too much aldosterone:

Disease with too little aldosterone:

Answer 2

Cushing’s, Hyperaldosteronism (Conn’s syndrome)

Addison’s

Question 3

Where is Atrial Natriuretic Peptide found (ANP)?

What is it’s action?

Answer 3

right atrium of heart

excretion of sodium and water

Question 4

Problem caused by too much ADH:
How is urine affected?
How is blood affected?

Answer 4

fluid volume excess
concentrated (because not peeing)
diluted

Question 5

Problem caused by too little ADH:
How is urine affected?
How is blood affected?

Answer 5

fluid volume deficit *think shock
diluted (peeing a lot)
concentrated

Question 6

Where is ADH found?

Answer 6

pituitary

Question 7

Name drugs used as ADH replacements

Answer 7

vasopressin (Pitressin)
desmopressin acetate (DDAVP)

Question 8

where is CVP measured?

normal CVP:

Answer 8

right atrium

2-6 mmHG

Question 9

When taking initial and daily weights, what is the routing?

Answer 9

Void first, same scale, same clothes, same time

Question 10

what is acetylsalicylic acid?

Answer 10

aspirin

Question 11

How is magnesium excreted?

Answer 11

through the kidneys

Hypermagnesemia is less likely than Hypomagnesemia