RMA Practice Exam 2023 with 100% correct answers

Body activities such as breathing, circulation, and heartbeat are regulated by the B. Autonomic nervous system Which gas is brought into the body, and which is eliminated by the respiratory system? D. Oxygen, carbon dioxide The muscular tissue of the heart is called the C. Myocardium Blood enters the right atrium of the heart from the B. Vena cava The disorder characterized by degeneration of the myelin sheath is A. Multiple sclerosis The functional, microscopic filtration unit of the kidney is the B. Nephron The testes produce D. Both A and B. A - Sperm; B - Testosterone The amount of circulating blood in the body of an average adult is about D. 6 liters The main function of white blood cells is to B. Defend the body against invading bacteria and viruses The process that stops bleeding is called B. Hemostasis The spinal cavity contains the C. Spinal cord Air is brought into the lungs by way of the C. Trachea The longest and strongest bone of the skeleton is the A. Femur