Which of the Following Statements Is True

question 16

Multiple Choice

Which of the following statements is true?

• A) Collagen and fibrin are examples of transport proteins.
• B) Proteins are your cells' primary energy source.
• C) Your body uses excess dietary protein to form the antibodies that cause infections.
• D) Structural proteins include keratin.

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Definitions:

Midclavicular Line

An imaginary line on the body extending from the midpoint of the clavicle vertically down the torso.

Jugular Vein

A large vein in the neck that carries blood from the head to the heart.

Systole

The phase of the heart cycle during which the heart muscles contract and pump blood from the chambers into the arteries.

Diastole

The phase of the heartbeat when the heart muscle relaxes and allows the chambers to fill with blood.