One of the unhealthy effects of blood doping is to
A. increase the viscosity of the blood.
B. increase the carbon dioxide carrying capacity of the blood.
C. increase the oxygen carrying capacity of the blood.
D. decrease the blood pressure in the arteries.
E. decrease the oxygen carrying capacity of the blood.
Answer: A
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Important factors involved in the movement of materials across capillary walls include ____________________.
diffusion filtration reabsorption all of the choices are correct
The figure illustrates keratinization in the epidermis. What layer of the epidermis is "E"?
A. stratum lucidum B. stratum spinosum C. stratum granulosum D. stratum basale E. stratum corneum
Which of the following activities would fatigue your hand muscles the fastest?
A) Throwing a ball in the air and catching it as many times as you can B) Bouncing a ball on the floor as many times as you can C) Squeezing a ball as hard as you can without stopping D) Alternately squeezing a ball then relaxing
________ are stationed throughout the body, always in connective tissue, and operate both in the allergy response and to expel foreign invaders.
A. Antigens B. Antibodies C. Mast cells D. Natural killer cells