PS141 : Physiology I

Department

faculty of Medicine

Academic Program

Bachelor in Medicine and general surgery

Type

Compulsory

Credits

04

Prerequisite

PS120

Overview

This course :

  • Discuss the different parts , physiological functions and some pathophysiological changes of gasterointestinal tract
  • Discuss the different parts , physiological functions and some pathophysiologicalchanges of hepatobiliary system
  • Discuss the physiological functions of the main components of blood and related disorders and define blood groups
  • Discuss the mechanism of homeostasis and blood coagulation.
  • Discuss the structure and physiological function of the respiratory system
  • Discuss the mechanism of neural regulation of respiration versus chemical regulation.

Intended learning outcomes

  • By the end of the course, the student will be able to:
  • Recognize the different parts and physiological functions and some pathophysiological changes of the gastrointestinal tract.
  • Recognize the deferent parts and physiological functions and common pathophysiological of hepaobiliary system.
  • Recognize the components, the physiological functions and commonpathophysiology of blood, and the reticulo-endothelial system.
  • Recognize the mechanism of homeostasis and blood coagulation.
  • Recognize the functions of the respiratory system, and understand the mechanisms by which these functions are carried out

Teaching and learning methods

  • Lectures
  • Practical

Methods of assessments

MCQ Med Term Exam ----------------------- 20%

Lab -------------------------------- 15%

MCQ Final Exam ------------------------ 65%

WeeksSubject Hours
1-Functional anatomy of gastro-intestinal tract. Salivary glands – Composition and function of saliva – Mechanism of salivary secretion. Mastication and deglutition 5
2-Stomach – Nerve supply and functions – Gastric glands and their secretion – Emptying of stomach – Peptic ulcer. -Vomiting – Types and mechanism – Consequences of vomiting.GIT mobility – Types, function and mechanism. 5
3Absorption in various parts of GIT – Factors affecting 3 absorption site and mechanism of absorption of various food stuffs – Routes of absorption. Large intestine – Absorption of water and salts – Gastrocolic and duodenocolic reflexes – Mucous secretion – Defecation Gastrointestinal hormones and their functions5
4Pancreas – Pancreatic juice – secretion and regulation – 4 Secretin CCK – PZ -Small intestine – Intestinal secretion – Gastro-ileal reflex. Liver and biliary system – Functions of liver – Composition of bile salts and their functions – Enterohepatice circulation of bile salts and bile acids – bile pigments and their metabolism – Gall bladder – Hepatico out bile and gall bladder bile – Jaudice5
5Composition and function of blood. 5 Plasma proteins: Types – Origin and functions.Red blood cells: Production of RBC – Types and formation of haemoglobin 5
6Destruction of RBC – Iron metabolism. 6 Anaemia and Jaundice – Polycythemia. White blood cells: Genesis and properties different types and their functions 5
7Reticule-endothelial system – Leukocytosis – Leukopenia 7 – Leukemia.Blood groups and blood transfusion (A, B, O) bloods: Blood typing - Transfusion reaction – Rh blood groups - Rh immune response – Erythroblastosisfoetalis. 7

8Hemostasis and blood coagulation: Events of hemostasis 8 and mechanism of blood coagulation –Coagulation tests – Haemophilia. Immunity and allergy: Types of acquired immunity - Role of lymphoid tissues – Vaccination - Passive immunity - Allergy 5
9