Nurse Cheung ATI TEAS Anatomy- All Versions (10) Study Guide Quizlet

1. How many lobes does the right lung have?
3 lobes

2. How many lobes does the left lung have?
2 lobes

3. What happens during inhalation?
Diaphragm moves down (contracts), rib cage rises, volume of chest cavity increases, air moves in to fill the space

4. What happens during exhalation?
Diaphragm moves up (relaxes), rib cage lowers, space becomes smaller, air is pushed out of lungs

5. What is ventilation?
Movement of air into and out of the lungs

6. What is released from alveoli into the lungs during ventilation?
Carbon dioxide

7. The respiratory system is responsible for maintaining what?
Blood pH

8. What is removed through the respiratory system?
Carbon dioxide

9. What is the function of the arteries?
Carry oxygenated blood away from the heart

10. What is the function of the veins?
Carry deoxygenated blood to the heart

11. What is gastrin and what does it do?
Produced in the stomach; stimulates stomach acid

12. What is cholecystokinin (CCK) and what does it do?
Produced in the small intestine; stimulates release of enzymes in the pancreas and bile (from the liver)

13. What is secretin and what does it do?
Produced in the small intestine; stimulates production of bicarbonate in the pancreas

14. What is insulin and what does it do?
Produced in the pancreas; helps regulate blood sugar levels

15. What is glucagon and what does it do?
Produced in the pancreas; stimulates release of glucose from the liver

16. What is bile, where is it made/stored, and what does it do?
Produced in the liver, stored in the gallbladder; helps break down fats in the small intestine

17. What is the pituitary gland and what does it do?
“Master gland”; produces hormones such as growth hormone and prolactin

18. What is the thyroid gland and what does it do?
Produces thyroxine (regulates metabolism) and calcitonin (regulates blood calcium levels)

19. What is the parathyroid gland and what does it do?
Produces parathyroid hormone; regulates blood calcium levels

20. What is the thymus gland and what does it do?
Produces thymosin; helps develop the immune system

21. What is the adrenal gland and what does it do?
Produces epinephrine and norepinephrine; regulates the fight-or-flight response