Lab 5: Acid base

Question 1

In urine, H+ takes 3 forms.

Name these forms

Answer 1

1. Free hydrogen ions
2. Attached to phosphate
3. Attached to ammonia

Question 2

The body metabolism generates a large quantity of “acid” (H+) each day which must be buffered in the _____ fluid and then excreted

Answer 2

Extracellular fluid

Question 3

The principle routes of hydrogen ion excretion are?

Answer 3

1. The lungs
2. The kidneys

Question 4

What is the effect of the Standard European diet on acid-base homeostasis

Answer 4

• Acid load diet
• Contain significant amounts of animal protein (meat)
• Contains sulphur containing amino acids (cysteine and methionine)
• Sulphur is converted to sulphuric acid (H2SO4)

Question 5

Vegatarian diet gives an _____load

Answer 5

Alkaline

Question 6

Meat diet gives an _____ load

Answer 6

Acid

Question 7

Which compound is the immediate source for ammonium production and where it is synthesised

Answer 7

Glutamine

Synthesied in the proximal convoluting tubule