Human Physiology
Exam Study Guide

Final Exam:
CHECK YOUR SYLLABUS FOR TIME AND DATE!

Dr. David Ferris - Division of Natural Sciences & Engineering - USC Upstate
 

For the final exam, concentrate on your notes, but use the book to fill in gaps and to clarify the concepts. Make SURE you look, read, and can describe what is happening in the chapters. If you can explain the concepts to other students in detail (and correctly), it is a good indication that you understand the material.
While this is NOT a listing of everything on the exam, you should at minimum be familiar with the following concepts:

  • Homeostasis
  • Physiology (define)
  • Feedback (positive and negative)
  • Biological molecules (importance and identification)
    • sugars (mono, di, polysaccharides)
    • fats (saturated, unsaturated)
    • proteins
    • phospholipids
    • functional groups
  • pH
  • Chemical reactions and bonds (covalent, ionic, hydrogen)
  • Cell structure
    • Cell membrane
    • Organelles & major functions of each
    • Nucleus
  • DNA
    • Composition (structure)
    • Nucleic acids & base pairs
    • RNA synthesis
  • Transcription & translation of DNA into proteins
  •  DNA replication
  •  Cell replication
    •  Stages and major events
    •  Differences and similarities in Mitosis and Meiosis
  •  Enzymes
    • What is an enzyme
    • Why are they important = Catalyst
  • Cell respiration
    • What is it and why is it important
    • four "phases"
      • glycolysis
      • acetyl Co-A
      • Krebs/citric acid cycle
      • Electron transport system
    • Summary of events in each phase
    • Outcomes of each phase (hydrogens, ATP's, etc)
    • Aerobic respiration
    • Anaerobic respiration
  • Membrane transport (not covered heavily in class, but IMPORTANT!)
    • Diffusion
    • osmosis
    • gradients
    • facilitated transport
    • active transport
  • Nerves and nerve firing
    • Neuron anatomy
      • what is a neuron
      • Schwann cells
      • myelin
      • Node of Ranvier
      • gap junction (electrical synapse)
      • synapse
      • synaptic cleft (chemical synapse)
    • what are neuroglial cells?
    • Know what happens in neuron firing (depolarization of the membrane)
      • Nerve "firing" (graph)
      • action potential
      • resting potential
      • threshold potential
      • hyperpolarization
      • sodium-potassium pump
      • ion concentrations and movement (when and where)
      • Saltatory conduction
    • Neurotransmitters
      • What are they
      • why are they importent
      • how do nerve impulses travel from one neuron to another
      • acetylcholine (Ach)
      • acetylcholinesterase (AchE)
      • IPSP
      • EPSP
      •  
  • Endocrine System
    • Endocrine organs & function
    • Hormones,  target tissues and impacts
    • Feedback loops
    • Homeostasis regulation
    • Circumventricular organs
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  • Renal System
    • Gross anatomy
    • How the glomerulus works
    • The functions of each portion of the nephron
    • hormonal controls related to renal activity
      • ADH
      • Aldosterone
    • Why the kindey is so involved in BP regulation
    • reabsorption
    • secretion
    • excretion
    • salt retention by renal medulla (why important)
    • why is the loop of Henle important?
  • Reproductive System
    • Anatomy of male and female systems
    • Hormonal control of male system 
    • Sperm production
    • Role of seminal components (what does each "accessory" gland contribute and why is it necessary)
    • Hormonal control of female system
    • Fertility (menstrual) cycle in females - what happens when and why to:
      • uterine lining (endometrium)
      • ovaries
      • hormone levels and impacts
    • Contraceptive methods & why they work (or not)
    • Fertilization and implantation
    • Birth
    • Lactation
    • Hormonal control of reproductive functions for males and females is VERY important for this entire section
    • Fetal physiology
    • Developmental physiology 
  • Respiratory Physiology
    • General Structure of the respiratory system (pg 482)
    • Physical properties of the lungs (pg 487)
    • Breathing mechanisms (pg 490)
    • Gas exchange in lungs (pg 496)
      • What does "partial pressure" indicate physiologically
      • Significance of PO2 and PCO2
      • Brain respiratory centers and triggers for the respiratory cycle
      • Impact of CO2 on blod flow in lungs
    • Be able to diagram the alveoli and capillary structures where gas exchange occurs
    • Oxygen and CO2 loading and unloading
    • Hemoglobin structure and function (pg 507)
      • Oxygen dissociation curve
      • Effects of exercise/pH on the dissociation curve and why (pg 509)
  • Heart & Circulation
    • Be able to diagram the anatomy of the heart
    • Discuss/diagram the heart's conduction system
    • systole
    • Diastole
    • Pressure differences in blood vessels
    • Functional and anatomical differences in arteries, veins, capillaries
    • ECG waves, their significance
    • The systemic and pulmonary circuits
  • Cardiac Output, blood flow, blood pressure
    • What factors impact cardiac output?
    • How is it monitored by the body
    • How does your body regulate BP
    • Systolic pressure
    • Diastolic pressure
    • How does blood flow change when the Parasympathetic or sympathetic nervous system is stimulated
    • What are the components of blood
    • Renin-angiotensin-aldosterone system
    • What roles do the kidneys play in blood pressure regulation?
    • ADH
    • Blood osmolality (general concept of, why is it important)
    • Dehydration and the body response
    • Example question for this material- Discuss the effect that exercise has on heart rate (while you are exercising) and why it changes. Why do individuals who exercise regularly have lower heart rates than "couch potatoes" (be specific)
  • Immune system
    • Nonspecific immunity (pg 448)
    • Inflammation and what causes it
    • Specific immunity
    • Functions of the helper T cells (T4)
    • Lymphocytes
    • B lymphocytes
      • Antibodies
      • Complement system (READ CAREFULLY, this was not covered in the a.m. lectures, but is important)
    • T Lymphocytes
      • Killer, helper, suppresor, memory cells and their roles
      • Role of the thymus
    • Active and passive immunity
    • Example question for this material- What are allergies? Explain them in detail, describing the immune response and associated mechanisms that make allergies so annoying.
  • MUSCULATURE
    • Anatomy of muscle
      • Includes the different tissue types and locations
      • "bands" in skeletal muscle
      • Structure of the myofibril and sarcomeres
    • Physiology
      • Function of the neuromuscular (myoneural) junction
      • Function of Sarcolemma, Sarcoplasmic reticulum (t-tubules), troponin-tropomyosin, Calcium, ATP, etc.
      • Process of skeletal muscle contraction - how does everything work together?
      • Differences in smooth, skeletal, and cardiac tissue
    • Example question for this material- diagram the anatomy of a sarcomere, then list or discuss (in order) the events that occur when a sarcomere contracts.
  • ENDOCRINE SYSTEM
    • Major endocrine organs, their products and their
    • Hormones secreted by major organs, their target tissues and their function
    • Know the hormonal pathways (be able to diagram and explain the sequence of events during hormone secretion and feedback)
    • What is a hormone?
    • Role of hormones in the body
  • SPECIAL SENSES
    • Anatomy and function of:
      • Eye
      • Ear (all parts)
      • Nose
      • Tongue (taste receptors)
      • Proprioceptors
  •  BRAIN & NERVOUS SYSTEM
    •  Anatomy and physiology of the brain, including function of major areas
      • Lateralization of the brain (right & left brain)
      • Cerebral hemispheres (including major functional areas)
      • Diencephalon
      • Hypothalamus
      • Pituitary gland
      • Pineal body (gland)
      • Brain Stem
        • Midbrain
        • Pons
        • Medulla oblongata
      • Cerebellum
      • Meningeal layers and their function
      • CSF
      • Blood-brain barrier
      • Cranial nerves
    • Spinal cord
      • Anatomy
      • White matter
      • Gray matter
      • Reflex arcs
    • General arrangement/organization of the nervous system
      • CNS, PNS
      • Relationship between autonomic, somatic, sympathetic and parasympathetic divisions
      • Functional role of the sympathetic nervous system
      • Functional role of the parasympathetic nervous system
  •  
  • Digestive System
    • Basic anatomy (always necessary for understanding physiology)
    • Digestive juices/enzymes:
      • what they are (name them)
      • what they do
      • where they are produced (organs, cells)
      • where they are found
    • Function of all major digestive organs and accessory digestive organs
    • Hormonal control of digestive activity
    • Cephalic and gastric control (what's going on in each phase and why)
    • Digestion of fats, carbohydrates, and proteins
    • Structure and function of small intestine
    • movement of food through digestive tract
    • role of chemical and mechanical digestive processes in digestion
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