Renal 4

Question 1

The relationship between PH and H is

Answer 1

Inverse

Question 2

Normal ECF H concentration

Answer 2

40 neq

Question 3

Strong vs weak acid and base characteristic

Answer 3

Strong- completely disassociates
Weak- reversible disassociation

Question 4

Buffers are most efficient when ___

Answer 4

PH=Pka

Question 5

3 buffer systems in the body

Answer 5

kidney
lungs
chemical acid base buffer system of buffer fluids

Question 6

The Pha of bicarb

Answer 6

6.1

Question 7

For each hco3 that is abosrbed, ___ must be secreted

Answer 7

H

Question 8

What are type a intercalated cells

Answer 8

eliminate h ions while reabsorbing hco3 during acidosis
Collecting duct

Question 9

Type b intercalated cells

Answer 9

secrete bicarb while reabsorbing h ions during alkalosis
h and bicarb transporters

Question 10

Phosphate pk

Answer 10

Effective renal buffer bc 6.8

Question 11

What cause met alk

Answer 11

excess aldosterone
na depletion w long term diuretic use

Question 12

whats base excess definition

Answer 12

Amount of acid or base that is required to bring ph to 7.4 with co2 40 and temp 37

Question 13

What causes hco3 reabsorption/ h secretion

Answer 13

High paco2
high h, low bicard
at2, aldosterone, low ecf volume
hypokalemia

Question 14

Examples causing met alk

Answer 14

vomiting
hypokalemia
primary aldosteronism with diuretic

Question 15

met alk is associated with

Answer 15

hypokalemia, hypocalcemia, ventricle arrhythmias, increased dig toxicity, compensatory hypoventilation

Question 16

What causes elevated agap

Answer 16

uremia, ketoacidosis, lactic acidosis
methanol, ethylyne glycol, ASA, paraldehyde

Question 17

If you fix acidosis, k will ___

Answer 17

go down
k decreaes .6 for ever .1 in ph

Question 18

Doubling MV ___ cerebral blood flow

Answer 18

halves, vice versa