CCMA Domain 1: Foundational Knowledge and Basic Science Welcome to your CCMA Domain 1: Foundational Knowledge and Basic Science 1. CCMA: Foundational Knowledge and Basic Science Which of the following enzymes is primarily involved in the breakdown of proteins into peptides during digestion? A. Amylase B. Lipase C. Pepsin D. Sucrase None 2. CCMA: Foundational Knowledge and Basic Science The movement of water across a semipermeable membrane from an area of lower solute concentration to an area of higher solute concentration is known as: A. Diffusion B. Osmosis C. Active transport D. Filtration None 3. CCMA: Foundational Knowledge and Basic Science Which of the following blood components is primarily responsible for carrying oxygen to the body's tissues? A. White blood cells B. Platelets C. Plasma D. Red blood cells None 4. CCMA: Foundational Knowledge and Basic Science The autonomic nervous system is divided into two main branches, the sympathetic and parasympathetic nervous systems. What is the primary function of the sympathetic nervous system? A. Stimulating digestive activities B. Slowing down heart rate C. Preparing the body for "fight or flight" response D. Promoting rest and digestion None 5. CCMA: Foundational Knowledge and Basic Science In which phase of the cell cycle does DNA replication occur? A. G1 phase B. S phase C. G2 phase D. M phase None 6. CCMA: Foundational Knowledge and Basic Science Which hormone is primarily responsible for regulating the metabolic rate and is produced by the thyroid gland? A. Insulin B. Thyroxine (T4) C. Cortisol D. Estrogen None 7. CCMA: Foundational Knowledge and Basic Science The process by which leukocytes engulf and digest pathogens is known as: A. Diapedesis B. Phagocytosis C. Hemostasis D. Chemotaxis None 8. CCMA: Foundational Knowledge and Basic Science Which of the following structures is responsible for the regulation of temperature, sleep, and appetite in the human body? A. Cerebellum B. Hypothalamus C. Thalamus D. Medulla oblongata None 9. CCMA: Foundational Knowledge and Basic Science The contraction of the heart muscle is initiated by electrical impulses from which node? A. AV node B. SA node C. Purkinje fibers D. Bundle of His None 10. CCMA: Foundational Knowledge and Basic Science What is the primary function of the enzyme renin, which is secreted by the kidneys? A. To regulate blood pressure by activating the renin-angiotensin-aldosterone system B. To increase the reabsorption of sodium and water in the kidneys C. To break down dietary proteins D. To stimulate red blood cell production None 1 out of 10 Time is Up! Time's up
