This System of Chemicals $\mathrm { II } _ { 2 } \mathrm { CO } _ { 3 } ? \mathrm { II } ^ { + } + \mathrm { IICO } _ { 3 }^-$

question 16

Multiple Choice

This system of chemicals, $\mathrm { II } _ { 2 } \mathrm { CO } _ { 3 } ? \mathrm { II } ^ { + } + \mathrm { IICO } _ { 3 }^-$ ,act as a buffer in the blood.If hydrogen ions are added to blood which of the following reactions would occur?

• A) \(\mathrm { H } ^ { + } + \mathrm { HCO } _ { 3 } { } ^ { - } \longrightarrow \mathrm { H } _ { 2 } \mathrm { CO } _ { 3 }\)
• B) \(\mathrm { OH }^- + \mathrm { H } _ { 2 } \mathrm { CO } _ { 3 } \longrightarrow \mathrm { HCO } _ { 3 } { } ^ { - } + \mathrm { H } _ { 2 } \mathrm { O }\)

---

Definitions:

Airway

The path that air follows to get into and out of the lungs.

Myocardial Infarction

A medical condition also known as a heart attack, resulting from the blockage of blood flow to the heart muscle.

Heart Attack

A medical emergency involving the blockage of blood flow to the heart muscle, causing tissue damage or death.

Automated External Defibrillator

A portable electronic device that automatically diagnoses the life-threatening cardiac arrhythmias of ventricular fibrillation and pulseless ventricular tachycardia, and is able to treat them through defibrillation.