ati teas Questions with correct answers

Inflammation, production of interferon, and ingestion of pathogens by phagocytes are non specific cellular responses by ? Correct Answer - The internal aspect of the innate immune system what feature of the adaptive immune system decreases the amount of time it takes for the body to respond to a particular antigen? Correct Answer - memory cells Which of the following occurs in the cardiac cycle if the impulse triggered at the sinoatrial node never reaches the Purkinje fibers of the heart? Correct Answer - The ventricles will not contract Describe the link between damaged villi and malnutrition Correct Answer - Damaged villi decrease the nutrient-absorbing surface area in the gastrointestinal tract What organ is responsible for the majority of the chemical digestion and absorption of nutrients in the digestive system? Correct Answer - Small intestine Contraction occurs when the thin ___ filaments slide past the thicker ____ filaments, causing the sarcomere unit to shorten or contract. Correct Answer - actin and myosin The endocrine system is a collection of ductless glands that produce which of the following responses Correct Answer - A slowly initiating but prolonged response on other body systems Which gland has an exocrine function and aids in the regulation of blood glucose Correct Answer - pancreas