Anatomy and Physiology ATI Study Q&A graded A TESTBANK

1. Which of the following bones is a component of the appendicular skeleton? a) Xyphoid process b) Symphysis pubis c) sacrum d) sternum 2. Testosterone production is regulated by which of the following glands? a) Pineal b) Thymus c) Parathyroid d) Pituitary 3. Which of the following is the measurement of the percentage of red blood cells in whole blood? a) Hematocrit b) Hemoglobin c) Mean corpuscular volume d) Reticulocyte count 4. Which of the following structure of the gastrointestional system absorbs iron and bile salts? a) Ileum b) Jejunum c) Colon d) Duodenum 5. In a normal functioning cardiovascular system, where does the heartbeat originate? a) Atrioventricular nodes b) Bundle of HIS c) Purkinje fibers d) Sinoatrial node 6. An individual with which of the following blood type can receive only blood of that same type? a) Type O b) Type A c) Type B d) Type AB 7. Peripheral vasodilation results in heat loss through which of the following processes? a) conduction b) convection c) radiation d) evaporation 8. Which of the following structures, located at the end of the ear canal, vibrates when sound waves strikes it? a) Acoustic meatus b) Cochlea c) Eustachian tube d) Tympanic membrane 9. Production of which of the following is a function of the prostate gland? a) testosterone b) fluid to lubricate the head of the penis c) substance to enhance sperm mobility d) Gonadotrophin releasing hormone 10. Which of the following cardiac valves prevents blood from returning to the left ventricle of the heart? a) pulmonic b) mitral c) tricuspid d) aortic Ans 11. Which of the following is a role of platelets in hemostasis? a) formation of plugs b) promotion of vasodilation c) conversion of prothrombin to thrombin d) activation of calcium 12. Which of the following valves prevents backflow of the blood from the right ventricle into the right atrium of the heart? a) Aortic b) triscupid valve c) pulmonic d) mitral valve Ans 13. Which of the following ions is most abundant in extracellular fluid? a) Calcium b) Chloride c) Sodium d) Potassium 14. Which of the following types of cells is primarily responsible for the destruction of old cells and invasive micro-organisms? a) Basophils b) Eosinophils c) B-cells d) macrophages 15. Which of the following hormones is secreted by the posterior pituitary gland? a) Growth hormone