Some athletes, in order to gain an advantage over their competitors, participate in blood doping. This process increases the number of red blood cells in their cardiovascular systems and in turn delivers more oxygen to their metabolically active tissues. Which statement best describes how athletes' blood dope and the dangers associated with blood doping?

A) Athletes receive blood transfusions to increase the number of red blood cells and by doing so increase their chances of developing aids or hepatitis C.
B) Hemoglobin is injected, increasing the oxygen carrying capacity of red blood cells. However, too much hemoglobin can cause hemolysis.
C) Colony-stimulating factors are injected to increase the number of red blood cells. Too many, however, can clog arteries, causing a heart attack.
D) Leukocytes are injected because they are larger than red blood cells. However, they make the body more susceptible to infection.
E) Erythropoietin is injected stimulating more red blood cell production. An increase in red blood cells increases the hematocrit which can increase blood pressure and weaken vessels making the chances of stroke increase.


Ans: E) Erythropoietin is injected stimulating more red blood cell production. An increase in red blood cells increases the hematocrit which can increase blood pressure and weaken vessels making the chances of stroke increase.

Anatomy & Physiology

You might also like to view...

This figure shows the muscles of the posterior trunk. What muscle does number 3 indicate?

A.  Trapezius B.  Rhomboid major C.  Latissimus dorsi D.  Infraspinatus E.  Supraspinatus

Anatomy & Physiology

Blood is classified as a type of ________ tissue.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology

Fetal hemoglobin becomes largely replaced with adult hemoglobin

A. at birth. B. after the first trimester. C. when a child starts school. D. from 4 months after birth.

Anatomy & Physiology

Which of the following cartilage types has little ground substance and has a matrix dominated by collagen fibers?

A) fibrocartilage B) hyaline cartilage C) elastic cartilage D) reticular cartilage E) transitional cartilage

Anatomy & Physiology