CC LAB MIDTERMS

Question 1

In addition to water homeostasis, these electrolytes play an
important role:

Answer 1

(1) In maintenance of pH;
(2) In proper heart and muscle function;
(3) In oxidation-reduction reactions; and
(4) As cofactors for enzymes

Question 2

one of the major sequelae of common
disorders such as diabetes and hypertension. Proper
interpretation of laboratory tests for renal, electrolyte, and
acid-base disorders requires an understanding of the
physiology and pathophysiology of these systems.

Answer 2

Renal disease

Question 3

classified as either anions, negatively charged
ions that move toward an anode, or cations, positively charged
ions that move toward a cathode.

Answer 3

Electrolytes

Question 4

● Monovalent cation

Answer 4

SODIUM

Question 5

○ Positively charged [under electrophoresis
migration of charges] it will travel towards
the cathode region

Answer 5

CATION ATOM

Question 6

● Most abundant cation in the Extracellular Fluid

Answer 6

SODIUM

Question 7

○ Major determinant of plasma osmolality

Answer 7

SODIUM

Question 8

= test to determine the
hydration of patient/ body

Answer 8

Osmolality

Question 9

A test that can help diagnose a
fluid/ electrolyte imbalances
including

Answer 9

dehydration

Question 10

NORMAL VALUE OF OSMOLALITY

Answer 10

● 275-295 mmol/L

Question 11

Osmolality ____________ if dehydrated – and it will
also ____________ if overhydrated [too much fluid in
the blood].

Answer 11

Increases - decreases