A & P I  REVIEW QUESTIONS AND DIAGRAMS

     CHAPTER 1  FIGURE 1.12B  P.  20

1. Define anatomy. List & define the various subdivisions of anatomy.

2. Define physiology. List and define the various subdivisions of physiology.

3. List and  explain the basic life processes of humans.

4. Define homeostasis in your own words and also give the “official” definition.  What is interstitial fluid? Why is it called the internal environment of the body?

5. Define a feedback system. List and describe components of a feedback system.

6. Distinguish between a negative and a positive feedback system. Give an example of each.

7.  Diagram a specific feedback system using the following information: Our breathing needs to be constantly adjusted so that excess carbon dioxide does not accumulate in the body. Cells in the brain constantly monitor the level of carbon dioxide. If the level rises, nerve impulses cause us to take deeper, faster breaths. 

8. Distinguish between a sign and a symptom.

9. What is a directional term? Why are these terms important? Try to make up an example of your own for each of the directional terms in Exhibit 1.1 P. 14.

10. Define the various planes that may be passed through the body.  Explain how each plane divides the body.

11. Define a body cavity. List the body cavities discussed and tell which major organs are located in each.

12. Describe how the abdominopelvic area is subdivided into nine regions and name them. List organs in each.

13. Describe how the abdominopelvic cavity is divided into quadrants and name each quadrant. List some organs in each.

     CHAPTER 2

1. What is an atom? Using the periodic table,  make a chart and fill in the atomic number, atomic weight, number of protons, neutrons and electrons for atoms of  O, Na, N, CL, H, K, C, He. Draw a dot formula for each atom. Check your answers on page 29.

2. What is an isotope? A radioisotope? Describe several medical uses of radioisotopes.

3. How are chemical bonds formed? Distinguish between an ionic bond and a covalent bond.

4. Explain the meaning of the 2 lines between the C and the O atoms.

                           O = C = O

5. Explain the difference between a polar and a nonpolar covalent bond.

6. Define a hydrogen bond. Why are hydrogen bonds important?

7. How do endergonic reactions differ from exergonic reactions? What is the role of ATP in these reactions?

8. What are the principal types of chemical reactions? How are anabolism and catabolism related to synthesis and decomposition reactions respectively?

9. Identify what kind of reaction each of the following represents:

   a. H2 + Cl2 à 2 HCl

   b. 3 NaOH + H3PO4 à Na3PO4 + 3 H2O

   c. CaCO3 + CO2 + H2O à Ca(HCO3)2

   d. HNO3 à H+ + NO3-

   e. NH3 + H2O à NH4+ + OH-

 10. Match the following:

____Anion                                             a. H2O

____Atom                                               b. Na+

____Molecule of compound                  c. K

____Molecule of pure element              d. N2

____Cation                                              e. Cl

11. How do organic compounds differ from inorganic compounds?

12. Define an inorganic acid, a base and a salt. Explain what is meant by the term dissociation.

13. What are the essential functions of water in the body? Explain why water is an excellent solvent.

14. Explain the pH scale. Why is important to maintain a relatively constant pH in body fluids?

15. What are the components of a buffer system? What is the function of a buffer. How does buffering help maintain homeostasis?

16. Define a carbohydrate. What is the main use of carbohydrates in the body?

17.  How are carbohydrates classified? List the 3 main classifications and give examples of each.

18. How do lipids differ from carbohydrates? Explain the importance of the following lipids to the body: triglycerides, phospholipids, steroids, lipoproteins.

19. Explain the difference between saturated, monounsaturated, and polyunsaturated fats. Why do saturated fats raise cholesterol levels?

20. Define a protein and a peptide bond. Explain the four levels of structure of a protein.

21. What is an enzyme? What are some characteristics of enzymes? Why are enzymes essential to biochemical reactions?

22. What is a nucleic acid? How do DNA and RNA differ and how are they alike?

23. What is ATP? What is the essential function of ATP in the body?

24. What are the building blocks of proteins, triglycerides, nucleic acids and carbohydrates?

25. When many glucose molecules are linked to form glycogen, each glucose is a _____ and the finished glycogen molecule is a _____. The process of linking the glucose molecules together is called _____   _____.

26. What is denaturation of a protein? List some conditions that might cause this.

     CHAPTER 3    DIAGRAMS  FIG.  3.1  P. 61  (DEFINITELY ON TEST)   FIG.  3.2  P. 62

1. Explain the structure of the plasma membrane, including the associated proteins. Draw a diagram of the phospholipid bilayer.

2. Describe the various functions of the plasma membrane. List the factors that influence permeability.

3. What are the major differences between passive processes and active processes that move substances across plasma membranes?

4. Define and give an example of each of the following. Be sure to indicate whether active or pasive.

      Facilitated diffusion                             Pinocytosis

      Phagocytosis                                         Receptor-mediated endocytosis

      Exocytosis                                              Phagocytosis

      Simple diffusion                                    Primary active transport

      Secondary active transport     

5. Define isotonic, hypertonic and hypotonic solutions. Describe the effects of each on these on red blood cells.

6. What is an organelle?  What is meant by the term membrane-bound organelle?

7. Describe the structure and functions of the nucleus of a cell. Describe how DNA molecules form chromosomes.

8. Discuss the distribution and function of ribosomes.

9. Distinguish between rough and smooth endoplasmic reticulum (ER).  what are the functions of each type?

10. Describe the structure and functions of the Golgi complex.

11. List and describe the functions of lysosomes.

12. What is the importance of peroxisomes?

13. Why are mitochondria called “powerhouses” of the cell?

14. a. Contrast the structure and functions of microfilaments, microtubules, and intermediate filaments.

      b. Together, these three elements are called the ___.

15. What are the structural and functional differences between cilia and flagella?

16. Describe the structure and functions of the centrosomes.

17. Define a cellular inclusion and give some examples.

18. Define transcription and list the steps.

19. Define translation and list the steps.

20. Explain the genetic code and list the start and stop codons.

21. Match these:

____Main blueprint             a. mRNA

____Anticodons                   b. rRNA

____Codons                          c. tRNA

____Reads instructions        d. DNA

22.  Define mitosis and cytokinesis. What is result when these processes are complete?

23. Describe the principal events in each stage of mitosis (in order).

     CHAPTER 4

1. Define the term tissue and list the four basic types of human tissue.

2. What is extracellular fluid (ECF)? Why is it important?

3. Describe the basic types of cell junctions and the functions of each.

4. Describe the layering arrangements and cell shapes of epithelium.

5. Distinguish covering and lining epithelium from glandular epithelium.

6. Describe the origin, structure, and function of the basement membrane.

7. How is epithelium classified? List the various types.

8. For each of these epithelial tissues, describe the microscopic appearance, location in the body, and functions.

    Simple squamous                                  Stratified squamous (keratinized)

    Stratified cuboidal                                 Simple columnar ciliated

    Pseudostratified columnar                   Transitional

    Simple columnar nonciliated                Stratified columnar

    Stratified squamous (nonkeratinized)  Simple cuboidal

9. Define these terms:

    Endothelium               Mesothelium

    Goblet cell                   Keratin

10. What is a gland? Distinguish between exocrine and endocrine glands.

11. List the three functional classifications of exocrine glands. Describe how each produces its secretion and give examples.

12. Describe the classification of exocrine glands according to structure and function, giving examples.

13. List some differences between epithelial tissue and connective tissue.

14. Describe the cells, ground substances, and fibers that make up connective tissue.

15. Describe these connective tissues: microscopic appearance, location in the body, and function:

     Adipose tissue               Dense irregular connective tissue             Fibrocartilage              

     Elastic cartilage              Reticular connective tissue                       Elastic CT

     Areolar CT                      Hyaline cartilage                                       Dense regular CT

 16. Define these terms:

     Matrix                                   Ground substance                 Reticular fiber                 Fibroblast

     Hyaluronic acid                    Chondroitin sulfate              Macrophage                    Plasma cell

     Dermatan sulfate                  Keratan sulfate                      Adipocyte                        Chondrocyte

     Collagen fiber                        Elastic fiber                           Lacuna

17. Define the following kinds of membranes, tell where each is located in the body, and explain the functions.

     Mucous                         Serous

     Cutaneous                     Synovial

18. Identify these tissues:

     a. Epithelium designed to allow distention (stretching)

     b. Single layer of flat cells concerned with filtration.

     c. Forms all other kinds of CT

     d. Specialized for fat storage

     e. Epithelium with waterproofing qualities

     f. Forms the framework of many organs

     g. Produces perspiration, wax, oil, or digestive enzymes

     h. Cartilage that gives shape to the external ear

     i. Contains goblet cells and lines the intestine

     j. Most widely distributed CT

     k. Forms tendons, ligaments, and aponeuroses

     l.  Specialized for the secretion of hormones

     m. Provides support in the umbilical cord

     n. Lines kidney tubules and is specialized for absorption and secretion

     o. Permits extensibility of lung tissue

19. What is tissue regeneration? Howdoes it differ from repair by stroma?

20. List and explain the 3 factors affecting tissue repair.

     CHAPTER 5   DIAGRAMS:  FIG. 5.1 P. 146  5.3  P. 149  5.4  P. 153

1. Compare the structure of epidermis and dermis. What is the subcutaneous layer?

2.  Describe the4 types of cells that make up the epidermis.

3.  List and describe the 5 possible layers of the epidermis, beginning with the deepest. Which is not always present?

4. Name the 2 layers of the dermis and describe the tissue that makes them up.

5. Explain the factors that produce skin color. What is an albino?

6. Describe the structure of a hair. What produces “goosebumps’?

7. Contrast the locations, duct arrangement, and functions of sebaceous (oil) glands, sudoriferous (sweat) glands, and ceruminous glands.

8. Compare the locations and secretions of eccrine and apocrine sweat glands.

9. Describe the principal parts of a nail.

10. Outline the steps involved in epidermal wound healing and deep wound healing.

     CHAPTER 6 

1. List & describe the 6 functions of bone tissue.

2. Diagram the parts of a long bone and list the functions of each part.

3. List the 4 types of cells associated with bone tissue & briefly describe the origin and function of each.

4. Compare spongy and compact bone:

     Microscopic appearance                                Relative amounts of matrix           Location

     Strength                                                              Relative amounts of space

5. What is meant by the term ossification?

6. a. List the steps in intramembranous ossification.

    b. List the steps in endochondral ossification.

7. a. What is the function of the epiphyseal plate?

    b. Describe the histology of the various zones of the epiphyseal plate.

8. How do hormones regulate bone growth?

9. a. Define remodeling of bone and describe how it occurs.

    b. Name some factors that encourage the building phase of the process.

10. a. What is a fracture?

     b. List the principal types of fractures and draw a small diagram of each.

11. Outline the basic steps in fracture repair.

12. a. How does bone enter into calcium homeostasis?    

     b. What hormones regulate this process?

13. Explain the effects of exercise on the skeletal system.

 14. Fully discuss osteoporosis, including:

          Risk factors

          Reasons it is more common in women

          Preventative measures

     CHAPTER 7

1. Name the 5 principal types of bones and give examples. What are  sutural bones and where are they found?

2.  What are bone surface markings?  Describe and give an example of each.

3. Distinguish between the axial and appendicular skeletons. What bones are found in each?

4. Name all the skull bones and classify them according to whether they belong to the cranial or the facial group.  Indicate for each whether paired or single.

5. Name and describe the location of the four prominent sutures of the skull.

6. What is a fontanel? Name and describe the location of the six constant fontanels.

7. What is a paranasal sinus? Name the skull bones that contain paranasal sinuses.

8. Another  skull bone contains sinuses that do not connect to the nose. Name it.

9. Name all the bones that make up the orbit.

     CHAPTER 8

1. What are the principal structural differences between male and female pelvises?

2. Name all the bones of the pectoral girdle.

3. Name the 3 bones that fuse after birth to form the pelvic girdle. What is the acetabulum?

     CHAPTER 9

1. Classify joints on the basis of structure and  function.

2. Describe the structure of a diarthrosis. Draw a simple diagram and label all parts.

3.  Describe the structure of a ligament. What is the difference between regular ligaments and accessory ligaments? Distinguish between an extracapsular and an intracapsular ligament.

4. What is an articular disc? List some functions.

5. List and describe the 6 subtypes of diarthroses.  Give examples.

6. Describe the various types of movements that  occur at diarthroses.

7. Describe the bones that make up the shoulder joint and explain the rotator  cuff.

     CHAPTER 11

1. Using the terms origin, insertion, and belly, describe how skeletal muscles produce body movements by pulling on bones.

2.  Using the terms lever, fulcrum, effort and resistance, describe the process of straightening a bent knee. Where on the body would the muscles that produce this movement be located?

3. Define the role of the prime mover (agonist), antagonist, synergist,  and fixator in producing body movements.

     CHAPTER 10

1. Describe for each of the 3 types of muscle: location, microscopic appearance, nervous control.

2. What are the 5 basic functions of the muscular system?

3. What  are the 4 properties of muscletissue?

4. Define: epimysium, perimysium, endomysium, tendon, aponeurosis.

5. What is a motor unit? How are motor units related to strength of contraction?

6. Draw a simple sketch of a neuromuscular junction and label the parts.  Briefly describe the function of each part.

7. Describe the microscopic structure of skeletal muscle tissue.

8. Explain the sliding filament mechanism. Be sure the mention the role of calcium and the regulatory proteins.

9. How does ATP function in muscle contraction?

10. List the steps in muscle relaxation.

11. What is muscle tone?

12. Draw a diagram of a myogram showing a basic twitch contraction. Label the latent period, contraction period, and relaxation period.

13. Define the refractory period. How does it differ in skeletal and cardiac muscle?

14. Explain how tetanus occurs and why it is important.

15. What is recriutment and why is it important?

16. What is the difference between isotonic and isometric contractions?

17. Explain the various ways ATP is generated in muscles, mentioning times.

18. Name and describe the various types of skeletal muscle fibers.

19. Compare the regeneration potential of the 3 types of muscle.

 

  CHAPTER 12 REVIEW QUESTIONS   FIG. 12.3 P 408

1. Distinguish between the central and peripheral nervous systems and describe the functions

    of each subdivision.

2. a. What are neuroglia?

    b. List the principal types and their functions.

    c. Why are they important clinically?

3. a. What is a myelin sheath?

    b. How is it formed in the peripheral nervous system?

    c. How is it formed in the central nervous system?

    d. What is the effect of loss of the myelin sheath?

4. a. Define a neuron.   

    b. Diagram and label a neuron.

    c. List the functions of the parts.

5. Discuss the structural classification of neurons and give an example of each.

6. Outline the principal steps in the generation and conduction of a nerve impulse.

7. Define: a. Resting membrane potential

                  b. Depolarization

                  c. Repolarization

                  d. Refractory period

8. What is the all-or-none principal?

9. a. What is saltatory conduction?

    b. What factors determine the speed of a nerve impulse?

10. Describe the events of chemical synapse transmission.

11. a. What is a neurotransmitter?

      b. How does an inhibitory neurotransmitter act?

     CHAPTER 13     2 SPINAL CORD DRAWINGS FROM CLASS

1. a. Explain the location and composition of the spinal meninges.

    b. Describe the location of the epidural, subdural, and subarachnoid spaces.

    c. Define meningitis.

2. Define conus medullaris, filum terminale, and cauda equina.

3. Draw a cross-section of the spinal cord and label these parts: gray commissure, central canal, anterior gray horn, lateral gray horn, posterior gray horn, anterior white column, lateral white column, posterior white column, ascending tract, descending tract.

4. a. What is a reflex and how do reflexes relate to homeostasis?

    b. What is a reflex arc?

    c. List the components of a reflex arc.

5. Describe the branches of a typical spinal nerve and specify what each branch innervates.

6. a. What is a plexus?

    b. Describe the principal plexuses and the regions they supply.

7. Describe the effects of injury to the four major plexuses or nerves emerging from them.

     CHAPTER 14  FIG  14.4 P 479

1. Name the four major divisions of the brain, including subdivisions if any.

2. a. Where is cerebrospinal fluid (CSF) formed?

    b. Describe its circulation and functions.

    c. Where is CSF reabsorbed?

3. a. What is the blood-brain barrier (BBB)?

    b. Describe the ability of various substances to cross this barrier.

4. a. Describe the location and structure of the medulla oblongata.

    b. What is meant by the decussation of the pyramids and why is this important?

    c. List the principal functions of the medulla oblongata.

5. a. Describe the location and structure of the pons.

    b. What are its functions?

6. a. Describe the location and structure of the midbrain.

    b. What are its functions?

7. Describe the location of the cerebellum and list the principal parts.

8. a. Explain the functions of the cerebellum.

    b. Describe the effects of damage to the cerebellum..

9. a. Describe the location and structure of the thalamus.

    b. What are the functions of the thalamus?

10. a. Where is the hypothalamus located?

      b. Explain some of its major functions.

11. a. List and describe the location of the lobes of the cerebrum.

      b. How are they separated from each other?

12. Draw or trace a simple sketch of a midsagittal section of the brain, showing the 4 major divisions of       

      the brain.

13. Draw or sketch the cerebrum and label the 4 lobes.

14. Define the limbic system and describe its functions.

15. Discuss brain lateralization.

16. a. What is a cranial nerve?

      b. List the cranial nerves by name and number.

17. Briefly describe the function of each cranial nerve.

     CHAPTER 15

1. a. What is adaptation?

    b. Give some common examples.

2. Describe the receptors involved in touch, pressure, vibration, itch, tickle, temperature, and     pain.

3. a. What is proprioception?

    b. Where are receptors for this sense located?

4. Describe how various parts of the body are represented in the somatosensory cortex.

5. Describe how various parts of the body are represented in the motor cortex.

6. Describe how sleep and wakefulness are related to the RAS.

     CHAPTER 17

1. Distinguish between preganglionic neurons and postganglionic neurons.

2. a. What is an autonomic ganglion?

    b. List and describe the location of the three types of autonomic ganglia, indicating

        whether each is sympathetic or parasympathetic.

3. How do the sympathetic and parasympathetic divisions differ in their effects?

4. What is dual innervation?

5. Describe the fight-or-flight response.

6. Give the effects of increased sympathetic stimulation on each of these body parts:

    lungs, spleen, adrenal medulla, stomach, intestines, heart, arterioles of skin, arterioles of

    skeletal muscle, smooth muscle of iris.