Simplify the Complex Fraction $\frac { \frac { 3 } { 4 } + \frac { 1 } { 2 } } { \frac { 3 } { 4 } - \frac { 1 } { 2 } }$

question 22

Multiple Choice

Simplify the complex fraction. $\frac { \frac { 3 } { 4 } + \frac { 1 } { 2 } } { \frac { 3 } { 4 } - \frac { 1 } { 2 } }$

• A) -7
• B) 7
• C) -5
• D) 5
• E) 13

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Definitions:

Oxygenation Requirements

The necessary amount of oxygen needed by the body's tissues, typically increased in conditions affecting the lungs or heart.

Crackles

Sounds heard in the lungs during inhalation that are indicative of fluid in the air spaces, which can be associated with conditions like pneumonia or heart failure.

Left-Sided Heart Failure

Abnormal condition characterized by impaired functioning of the left ventricle caused by elevated pressures and pulmonary congestion.

Breathing

The physiological process of taking in oxygen from the air and expelling carbon dioxide, essential for life in many organisms.