Acid-base balance

Question 1

Average pH of blood?

Answer 1

7.4

Question 2

What can lead to depression of the CNS, acidosis or alkalosis?

Answer 2

acidosis

Question 3

What can lead to overexcitability of the PNS and later of the CNS, acidosis or alkalosis?

Answer 3

alkalosis

Question 4

Which salt does changes in H+ influence changes of?

Answer 4

K+

Question 5

From which 3 sources is H+ continually added?

Answer 5

carbonic acid formation
inorganic acids produced from nutrient breakdown
organic acids resulting from metabolism

Question 6

Which type of acids dissociate completely in solution?

Answer 6

strong acids

Question 7

Which type of acids dissociate partially in solution?

Answer 7

weak acids

Question 8

Give 2 roles of the kidney in control of Bicarbonate?

Answer 8

variable reabsorption of filtered HC03

Kidneys adding new bicarbonate to blood

Question 9

What is the vast majority of H+ secretion used for?

Answer 9

HC03 reabsorption to prevent generation of acidosis