Final Exam Review

Front

What are the secondary organs that can secrete hormones?

Back

Liver, kidneys, heart.

Front

Which blood type can donate to all blood types?

Back

Type O blood.

Front

How much oxygen is carried by hemoglobin (Hb) in the blood compared to free floating in plasma?

Back

About 98% by Hb, 2% free in plasma.

Front

Where is the vitreous humor located in the eye?

Back

In the posterior chamber.

Front

What is true about red blood cells (RBCs)?

Back

They do not use the oxygen they carry.

Front

What is the function of the liver in hormone secretion?

Back

The liver secretes hormones such as insulin-like growth factor and angiotensinogen.

Front

What is the significance of type O blood in transfusions?

Back

Type O blood is considered the universal donor.

Front

What percentage of oxygen is dissolved in plasma?

Back

About 2%.

Front

What is the role of hemoglobin in oxygen transport?

Back

Hemoglobin binds to oxygen in the lungs and carries it to tissues.

Front

What is the structure of red blood cells?

Back

Red blood cells are biconcave in shape, which increases surface area for gas exchange.