CCMA Domain 2: Anatomy and Physiology Welcome to your CCMA Domain 2: Anatomy and Physiology 1. CCMA: Anatomy and Physiology Which of the following best describes the function of the myelin sheath in the nervous system? A. It acts as a barrier to prevent neurotransmitter escape. B. It facilitates the rapid transmission of electrical impulses along the neuron. C. It digests excess neurotransmitter in the synaptic cleft. D. It regulates the exchange of nutrients and waste products with the neuron. None 2. CCMA: Anatomy and Physiology In the heart, what is the role of the atrioventricular (AV) node? A. It initiates the heartbeat. B. It acts as a pacemaker by setting the rhythm of the heartbeat. C. It delays the transmission of electrical impulses to the ventricles. D. It directly pumps blood into the aorta. None 3. CCMA: Anatomy and Physiology Which hormone is primarily responsible for regulating the body's metabolic rate? A. Insulin B. Thyroxine C. Cortisol D. Adrenaline None 4. CCMA: Anatomy and Physiology What is the primary function of hemoglobin in the blood? A. To fight infections B. To clot blood C. To transport oxygen D. To regulate blood pH None 5. CCMA: Anatomy and Physiology Which structure is responsible for the regulation of temperature in the human body? A. Hypothalamus B. Pituitary gland C. Thyroid gland D. Adrenal gland None 6. CCMA: Anatomy and Physiology What term describes the movement of a substance from an area of higher concentration to an area of lower concentration? A. Osmosis B. Active transport C. Diffusion D. Filtration None 7. CCMA: Anatomy and Physiology In which phase of the cell cycle does DNA replication occur? A. G1 phase B. S phase C. G2 phase D. M phase None 8. CCMA: Anatomy and Physiology The Bowman's capsule is a component of which organ in the human body? A. Liver B. Kidney C. Heart D. Lung None 9. CCMA: Anatomy and Physiology Which type of joint is characterized by free movement in multiple directions? A. Fibrous joint B. Cartilaginous joint C. Synovial joint D. Fixed joint None 10. CCMA: Anatomy and Physiology Which part of the human brain is responsible for coordinating voluntary movements? A. Cerebrum B. Cerebellum C. Medulla oblongata D. Pons None 1 out of 10 Time is Up! Time's up
