ATI Anatomy and Physiology Proctored Exam () Answers and cheat sheets / Pages 15 / Grade A+

ATI Anatomy and Physiology Proctored Exam
Questions and Answers
Latest 2020 2021
1. What bone is a component of the appendicular skeleton?


ANS: Symphysis pubis


2. What can cause black stools?


ANS: High levels of iron or upper GI bleed


3. What cardiac valve prevents blood from returning to the left ventricle of the heart?



ANS: Aortic Valve


4. What causes black heads?


ANS: Sebum that traps dirt in the pores


5. What cells are responsible for destruction of old cells and invasive organisms?


ANS: Macrophages through phagocytosis


6. What determines skin color


ANS: Melanin in melanocytes

, 7. What does the respiratory system eliminate when there is an excess of hydrogen ions in
the body?


ANS: Carbon Dioxide


8. What do phagocytes do?


ANS: Engulf foreign particles in the blood stream


9. What dysfunction causes yellow sclera?


ANS: Jaundice, elevated bilirubin


10. What function is associated with the dermal layer of the skin?


ANS: Collagen formation


11. What gland has both endocrine and exocrine functions?


ANS: Pancreas


12. What happens to cells in hypertonic solution?


ANS: Cell shrivels and dies; absorbs more salt


13. What happens to cells in isotonic solution?


ANS: Cells are normal. Equal amounts of salt and fluid


14. What happens to cells in hypotonic solution?