Which Statement Is TRUE

question 34

Multiple Choice

Which statement is TRUE?

• A) The cytochromes contain iron atoms; chlorophyll contains a magnesium atom at the center of the porphyrin ring.
• B) The cytochromes contain magnesium atoms; chlorophyll contains an iron atom at the center of the porphyrin ring.
• C) Both the cytochromes and chlorophyll contain an iron atom but not a magnesium atom at the center of the porphyrin ring.
• D) Both the cytochromes and chlorophyll contain magnesium atoms but not iron atoms at the center of the porphyrin ring.

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Definitions:

Hypotension

A medical condition characterized by abnormally low blood pressure, which can lead to symptoms such as dizziness, fainting, and, in severe cases, shock.

Systolic Blood Pressure

The pressure in the arteries when the heart beats and fills them with blood, the higher of the two blood pressure readings.

Systolic Pressure

The pressure in the arteries when the heart beats and fills them with blood, the higher number in a blood pressure reading.

Left Ventricle

The chamber of the heart that receives oxygenated blood from the left atrium and pumps it out to the body through the aorta.