A & P II  REVIEW QUESTIONS AND DIAGRAMS

 

CHAPTER 17---DIAGRAMS: FIG 17.5 P. 582; FIG 17.20 P. 601  OR  FIG 17.7  P. 608;  FIG  17.22 P. 627

1. Describe the function of olfactory receptors. What is the function of basal cells?

2. Discuss the origin and path of a nerve impulse that results in olfaction.

3. Describe the structure of a taste bud.

4. Since gustatory receptors are not neurons, explain how they can be involved in generation of a nerve impulse.

5.  Describe the structure and function of all parts of the lacrimal apparatus.

6. Describe the location and contents of the cavities and chambers of the eye. What is intraocular pressure and why is it important?

7. Explain how each of the following is related to physiology of vision:

   a. refraction of light rays

   b. accommodation of the lens

   c. constriction of the pupil

8. Describe the structure and function of both the extrinsic and intrinsic eye muscles.

9. Describe the structure of rods & cones.

10. Explain how photopigments respond to light and recover in darkness.

11. Describe the path of a visual impulse from the optic nerve to the brain.

12. Draw or trace the parts of the external, middle, and internal ear.  Briefly explain the function of each part.

13. Explain the events involved in transmission of sound waves from the auricle to the spiral organ.

14. What is the sensory pathway for sound impulses from the cochlear branch of cranial nerve VIII to the brain?

15. Compare the role of the maculae in the utricle and saccule in static equilibrium with the role of the cristae in the semicircular ducts in dynamic equilibrium.

CHAPTER 18

1. Describe the chemical classification of hormones. Give an example of each. 

2. Describe the mechanism of hormonal action involving:

   a. activation of intracellular receptors

   b. interaction with plasma membrane receptors

3. Explain permissive effects, synergistic effects, and antagonistic effects.

4. List the hormones produced by the anterior pituitary gland.  What are their functions? How are they controlled?

5. Explain how the posterior pituitary gland can be responsible for secreting hormones it does not produce. Name the 2 hormones and briefly describe their function.

6. How are thyroid hormones made, stored and secreted?

7. Discuss the physiological effects of thyroid hormones. How is the secretion of these hormones regulated?

8. Describe the function and control of calcitonin.

9.  What  are the functions of parathyroid hormone?

10. Name the zones of the adrenal cortex and the hormones each produces. What are the functions of these hormones? How are they controlled?

11. Describe the location of the pancreas. Explain the 2 types of tissue that make up the gland.

12.  Explain the action and control of insulin and glucagon.

13. Where is the pineal gland located? Name its hormone and list some possible functions in humans.

CHAPTER 19

1. What are the major components of plasma? Briefly describe the function of each. What is the difference between plasma and serum?

2. Fully describe the origin of blood cells. Be sure to name the blast cells that give rise to each type of formed element.

3. a. Describe the microscopic appearance of erythrocytes.

    b. Since these cells as seen in the blood have no nucleus, explain how cellular proteins can be synthesized.

     c. What is the function of erythrocytes?

4. a. Outline the various types of leukocytes.

    b. Describe the microscopic appearance of each.

    c. Describe the function of each.

5. Distinguish between leukocytosis and leukopenia.

6. a. What is a differential white blood cell count?

    b. Give normal values for each type of leukocyte.

7. Describe the structure and function of platelets.

8. Compare erythrocytes, leukocytes, and platelets as to size, number per cubic mm, and life span.

9. a. Define hemostasis.

    b. Explain vascular spasm and platelet plug formation.

    c. Explain the platelet release reaction.

10. List and briefly describe the 3 stages of blood clot formation.

11. How are blood clots removed when the body no longer needs them?

12. What factors normally prevent blood from clotting in unbroken vessels?

13. Explain hemophilia. Include cause (be complete and specific), signs, symptoms, and treatment. Why is classic hemophilia found almost entirely in males?

14. Define: thrombus, embolus, anticoagulant.

15. How is an individual’s ABO group determined? List the 4 possible ABO types and give all possible combinations of genes that might produce each type. Why must blood for transfusion be matched?

16. Explain the Rh system.

17. Explain the problem and the prevention of hemolytic disease of the newborn.

18. Why is type O-negative blood called the universal donor? Why is this only done in emergencies?

19. Define anemia and distinguish between iron-deficiency, pernicious, hemorrhagic, aplastic, and

       sickle-cell anemias.

CHAPTER 20---FIG. 20.4 P. 701 OR   FIG 20.4  P. 723

1. Describe the 3 layers of the heart wall.

2. a. Define atria and ventricles.

    b. Name the great vessels that enter or leave each chamber.

3. a. List the 4 major valves of the heart and describe the location of each.

    b. Briefly explain the strucutre and how the 2 types of valves operate.

4. List the parts of the heart’s conduction system. What is meant by the term autorhythmicity? What is the heart’s natural pacemaker?

5. Make a chart to compare skeletal & cardiac muscle in regard to:

    a. Structural components

    b. Length of basic contraction

    c. Where Ca is located during relaxation

    d. Length of refractory period

6. List the events which occur in a contractile cardiac muscle fiber during:

    a. Depolarization                         b. Plateau                  c. Repolarization

7. Draw and label a normal  EKG tracing, explaining what events in the heart occur with each wave.

8. a. What is a cardiac cycle?

    b. Name the 3 main periods in a cardiac cycle and explain what occurs during each.

9. What is cardiac output (CO) and how is it calculated?

10. a. Define stroke volume.

      b. List and explain the factors that influence stroke volume.

11. a. Explain the effects on heart rate of the sympathetic and the parasympathetic nervous systems.

      b. How exactly does each bring about the change in rate?

12. List the risk factors for heart disease and circle the number of each one that can be modified.

13. List some specific benefits of regular exercise.

14. Heart murmurs most often result from malfunction of _______. Explain the 2 common abnormalities that result in murmurs.

15. Explain coronary artery disease and the development of atherosclerosis. Name several procedures that might be used to correct this problem.

CHAPTER 21   FIGURES: 21.18 B ONLY P. 762 ; 21.19 P. 767 A & B ONLY; 21.22 P. 776 A & B; 21.24 P. 780;

21.25 P. 783 B & C ONLY; 21.26 P. 785; 21.27 A & B  P. 790

OR   FIGURES 21.18 B ONLY P. 787;  21.19 P. 791 A & B ONLY;  21.22  P. 801 A & B;  21.24  P. 805; 

21.25  P.  808  B & C ONLY;  21.25  P. 811;  21.27  P. 817

1. Discuss the importance of smooth muscle in the tunica media of arteries.

2. Distinguish between elastic and muscular arteries in terms of location, histology, and function.

3. What is an anastomosis? Explain collateral circulation.

4. Describe how capillaries are structurally adapted for exchanging materials between blood and body cells.

5. Describe how blood flow may be regulated in capillary networks of a tissue that varies in activity level.

6. List the ways substances cross capillary walls and give examples.

7. a. Explain forces involved in filtration and in reabsorption.

    b. What is Starling’s law of the capillaries?

    c. What is edema and how might it develop?

8. What is velocity of blood flow? Why does blood flow faster in arteries and slower in capillaries and why does it need to?

9. a. What is the cardiovascular center?

    b. List the principal inputs and outputs.

10. Describe the operation of the carotid sinus, aortic, and right heart reflexes.

11. Explain the role of chemoreceptors in the regulation of blood pressure.

12. Describe hormonal regulation of blood pressure.

13. Define shock and list the signs and symptoms.

14. a. List several negative feedback cycles that develop to restore homeostasis in compensated shock.

      b. List several positive feedback cycles that arise in decompensated shock, acting to make things worse.

15. Describe the 3 stages of shock.

16. Trace a drop of blood from the arch of the aorta through its systemic circulatory route (arteries) to the tip of the big toes on your left foot and back to the heart again (veins).

17. What is the hepatic portal circulation and explain why this route is important.

18. Discuss the anatomy and physiology of fetal circulation. Indicate the function before birth and the fate after birth of the umbilical arteries, umbilical vein, ductus venosus, foramen ovale, and ductus arteriosus.

CHAPTER 22

1. a. Name the principal lymphatic trunks. (9 trunks, 5 names)

    b. Describe and compare the 2 main lymphatic ducts.

2. Describe the structure of a lymph node. What functions do lymph nodes serve?

3. Describe the role of the thymus gland in immunity.

4. Describe the location, gross anatomy, histology, and functions of the spleen.

5. Identify the types of tonsils by location. What is the function of all tonsils?

6. a. Describe the mechanical factors in nonspecific resistance.

    b. Describe the chemical factors in nonspecific resistance.

7. Explain the functions of interferons, complement, and transferrin.

8. What are natural killer (NK) cells and what function do they serve? How do they select their targets?

9. Describe the three phases of phagocytosis.

10. a. Define inflammation and list the principal signs and symptoms.

    b. List and briefly describe the stages of the inflammatory response.

11. Define immunity and list the major characteristics of the immune response.

12. What are the 2 branches of the immune response?

13. a. Describe the origin of B and T cells.

      b. What is the function of the B cells?

      c. List and give the function of the various T cells.

14. a. What is an antigen?

      b. What are antigen-presenting cells and why are they important?

15. Fully describe all events in an antibody-mediated immune response to an antigen encountered for the first time.

16. Fully describe all events in a cell-mediated immune response to an antigen encountered for the first time.

17. If antibody production is the job of the B cells, explain in detail why T cells are also needed in the production of antibodies.

CHAPTER 23   FIG.  23.12 A  P.  861  OR  FIG. 23.11 P. 888

1. a. What organs make up the respiratory system?

    b. Distinguish between upper and lower respiratory system.

2. List the 3 anatomical regions of the pharynx, describe their locations, and explain their roles in respiration.

3. Describe the structure of the larynx and explain how it functions in respiration and voice production.

4.  What is the bronchial tree?

5. Define these parts of a lung: base, apex, hilus, lobe, cardiac notch.

6. Describe the histology and function of the alveolar-capillary (respiratory) membrane.

7. Name the 3 phases of respiration and briefly describe what happens in each.

8. Define all of the modified respiratory movements such as coughing.

9. a. What is a spirometer?

    b. List and define the various pulmonary volumes, giving average value for each.

10. Name every structure through which inhaled air must pass, beginning with the nose and ending with

      the alveoli.

11. As oxygen is carried into the tissues (combined with hemoglobin), explain the factors which determine

      how much of the oxygen is released to diffuse into tissue cells.

12. Explain the role of the following in respiration:

      a. Medullary rhythmicity area                b. Apneustic area                     c. Pneumotaxic area

CHAPTER 24   FIG.  24.7  P. 905;  FIG.  24.14  P. 917  OR  FIG.  24.7 P. 932;   fig.  24.14  p. 943

1. a. Name in order the organs of the digestive tract.

    b. Name the accessory digestive organs.

2. a. Describe the four layers that make up the wall of digestive tract organs. 

    b. Are these layers identical in all parts of the digestive tract, and explain why or why not.

3. a. What is the peritoneum?

    b. Describe the location and function of the mesentery, mesocolon, falciform ligament, lesser omentum,

        and greater omentum.

4. a. Name the major salivary glands and describe the location of each.

    b. Describe the components found in saliva.

    c. Explain the role of each component in digestion.

5. Draw a diagram of a tooth and label the parts.

6. Compare the deciduous and permanent dentitions (sets of teeth), mentioning number and time of

     eruption.

7. a. Explain the operation of the upper and lower esophageal sphincters.

    b. What is GERD and what causes it?

8. List the four types of cells found in gastric glands and name the secretion(s) of each.

9. a. What is the function of pepsin?

    b. Why is it important that it be secreted in an inactive form?

10. a. List and explain factors that stimulate gastric secretion.

      b. List and explain factors that inhibit gastric secretion.

11. Give a complete description of the duct system connecting the pancreas to the digestive tract.

12. Describe the secreting tissue of the pancreas, both endocrine and exocrine.

13. a. Name the enzymes found in pancreatic juice and describe the function of each.

      b. What other component of pancreatic juice is important?

14. List the functions of the liver.

15. Draw a simple diagram showing all vessels which bring blood into the liver or carry blood out of the

      liver, showing where the blood comes from or where it goes.

16. a. What digestive enzymes are contained in bile?

      b. What is the function of the bile?

17. Describe the structure and function of the gallbladder.

18. Explain why and how bile is sometimes sent directly to the small intestine and sometimes to the

      gallbladder.

19. a. Name in order the subdivisions of the small intestine.

      b. How is the wall of the small intestine adapted for absorption (3 ways)?

20. Give the name and function of each enzyme in intestinal juice.

21. a. What are the principal subdivisions of the large intestine?   

      b. What are haustra?

22. a. What is absorption?

      b. In what simpler form are the following absorbed: proteins, carbohydrates, triglycerides.

23. a. Name the 3 main hormones involved in regulating activities of the digestive tract.

      b. Describe the effect of each hormone on various parts of the tract.

CHAPTER 25

1. a. What is metabolism?

    b. Define and give an example of catabolism and anabolism.

2. How does ATP couple anabolism and catabolism?

3. Explain the ways body temperature is regulated.

4. a. How are carbohydrates absorbed in the body?

    b. How does glucose enter cells?

5. a. Define glycolysis.

    b. What substance enters into the process of glycolysis and what is the end product?

6. Explain the purpose of the Kreb’s cycle. How is it related to glycolysis?

7. Explain the electron transport chain.

8. Of glycolysis, Kreb’s cycle, and the electron transport chain, which require oxygen?

9 Define glycogenesis and glycogenolysis.

10. What is gluconeogenesis and why would it occur?

11. How are proteins absorbed?

12. a. Define the absorptive (fed) state.

      b. Under what circumstances does it occur?

13. a. Define the postabsorptive (fasting) state.

      b. Under what circumstances does it occur?

CHAPTER 26

1. a. What is a nephron?

    b. List and describe the parts of a nephron.

2. a. Describe the structure of the filtration membrane.

    b. List the things that are NOT supposed to cross this membrane.

3. Describe the location, structure and function of the juxtaglomerular apparatus.

4. a. What is glomerular filtration?

    b. What is contained in the original filtrate?

5. What are the chemical differences among plasma, glomerular filtrate, and urine?

6. a. Define tubular reabsorption.

    b. List things that are expected to be reabsorbed 100%.

7. a. Define tubular secretion.  

    b. List some substances that are secreted and explain the importance.

8. Explain how the kidneys help control body pH.

9. Describe how the kidneys produce a dilute or concentrated urine.

10. Describe the micturition reflex.

11. Describe the following physical characteristics of normal urine: color, turbidity, odor, pH, specific gravity. (Be sure you know the meaning of the terms)

12. Describe the chemical composition of normal urine.

13. Define each of the following: albuminuria, glucosuria, hematuria, pyuria, ketosis, casts, renal calculi.  (Your lab book has helpful material on these)

CHAPTER 27

1. a. Define body fluid.

    b. List the principal fluid compartments.

2. Describe the major differences in ions in the various compartments.   

3. Describe how exhalation of CO2 is related to maintaining body pH.

4. a.  Define acidosis and alkalosis.

    b. Distinguish between respiratory and metabolic acidosis and alkalosis.

5. What are the principal physiological effects of acidosis and alkalosis?

CHAPTER 28

1. Describe events in meiosis, comparing the events and outcome with mitosis.

2. a. Distinguish between diploid and haploid cells.

    b. Explain why it is important that gametes are haploid.

3. a. Describe the internal structure of a testis.

    b. Where are the sperm cells made?

    c. What are the functions of  sustentacular (Sertoli) cells?

    d. What are the functions of interstitial (Leydig) cells?

4. a. Describe the principal events of spermatogenesis.

    b. How many sperm are produced from one primary spermatocyte?

5. Identify the principal parts of a sperm cell and explain the functions of each.

6. How do LH and FSH influence the male reproductive system?

7. List in order the ducts sperm travel through, both inside and outside the testis.

8. List and describe three male accessory sex glands.

9. a. Describe the principal events of oogenesis.

    b. How many ova are produced from one primary oocyte?

    c. Why does this number differ from sperm, and where do the extra chromosomes go?

10. Describe the location and function of the uterine (Fallopian) tubes.

11. Describe the passage of milk from the alveoli to the nipple.

12.  For the following hormones (GnRH, FSH, LH, estrogens, progesterone, inhibin):

       a. What is the source of each?

       b. Which ones act on the uterus and what are their effects?

       c. Which ones act on the ovary and what are their effects?

13.a. Outline the major events in the uterine cycle.

     b. Outline the major events in the ovarian cycle.

     c. How do these correlate?

 CHAPTER 29

1. a. Define fertilization.

    b. Where does it normally occur?

     c. What is a morula and where is this stage normally found?

2. a. Name the stage that arrives in the uterus following fertilization.

    b. Briefly explain the meaning and steps in implantation.

3. a. Explain the difference between monozygotic and dizygotic twins?

    b. How does each type occur?

4. a. Define the period of the embryo and the period of the fetus.

    b. Most major organs develop during which of these periods?

5. a. What is an embryonic membrane?

    b. Name the describe the function of the 4 embryonic membranes.

6. List the hormones of pregnancy and describe the functions.

7. Explain the procedure, risks, and type of information obtained for each of these:

    a. Fetal ultrasound                        b. Amniocentesis                     c. Chorionic villus sampling

8. What is sex-linked  inheritance?

9.. Define these terms: genotype, phenotype, dominant, recessive, homozygous, heterozygous.