ATI TEAS TEST Science Questions and Answers

The upper respiratory system includes: nose, mouth, nasal cavity, pharynx, larynx The lower respiratory system includes: trachea, lungs, bronchial tree How many major organ systems are there? 11 How long does the cell cycle take? 24 hours What are the lungs surrounded by? pleural membrane Which gland is responsible for regulation of calcium levels? a. The parathyroid glands b.The pituitary gland c.The adrenal glands d.The pancreas a. the parathyroid glands 5 functions of the respiratory system y the body w/ oxygen and get rid of carbon dioxide rs air nsible for speech of smell ain acid-base homeostasis What contracts during the breathing process? a. lungs and diaphragm costal muscles and lungs ragm and intercostal muscles and alveoli c. diaphragm and intercostal muscles What expands during inspiration/inhalation? the ribs What increases in size during inspiration/inhalation? chest cavity What part of the brain stem controls the breathing process? a. pons halamus la oblongata ain c. medulla oblongata 3 components of the circulatory system vessels Three layers of the walls of all blood vessels (except the capillaries) most tunica a media a adventitia What are the largest vessels in the arterial system? a. muscular arteries ic arteries ioles b. elastic arteries What carries blood back to the heart? Veins Which blood cells transport oxygen to the cells? Red blood cells Where do red blood cells form?