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Bicarbonate: Quiz


Question 1: This is especially important for protecting tissues of the ________, where pH changes too far outside of the normal range in either direction could prove disastrous.
Grey matterWhite matterNeuronCentral nervous system

Question 2: When exposed to an acid such as ________ (vinegar), sodium bicarbonate releases carbon dioxide.
EthanolAcetic acidOxygenHydrogen peroxide

Question 3: 70%-75% of CO2 in the body is converted into ________ (H2CO3), which can quickly turn into bicarbonate (HCO3).
Acetic acidCarbonic acidCarbon monoxideCarbon dioxide

Question 4: In inorganic chemistry, bicarbonate (________-recommended nomenclature: hydrogencarbonate) is an intermediate form in the deprotonation of carbonic acid.
CadmiumInternational Union of Pure and Applied ChemistryIUPAC nomenclaturePotassium

Question 5: The bicarbonate ion carries a negative one formal charge and is the conjugate base of carbonic acid, H2CO3; it is the conjugate acid of CO32−, the ________ ion as shown by these equilibrium reactions.
Carbon dioxideCarbonateCalcium carbonateBeryllium carbonate

Question 6: In diagnostic medicine, the ________ of bicarbonate is one of several indicators of the state of acid-base physiology in the body.
Blood plasmaLiver function testsReference ranges for blood testsArterial blood gas

Question 7: The parameter standard bicarbonate concentration (SBCe) is the bicarbonate concentration in the blood at a CO2 of 40 mmHg (5.33 kPa), full oxygen saturation and 37 degrees ________.
JouleCelsiusKelvinPascal (unit)

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