A & P 1 – Unit 1 Review Mary Stangler Center for Academic Success This review is meant to highlight basic concepts from Unit 1. It does not cover all concepts presented by your instructor. Refer back to your notes, unit objectives, labs, handouts, etc. to further prepare for your exam. 1. Define and fill in the table: a. Atom – Subatomic Particle Charge Location Molecular weight Proton Neutron Electron 2. Define and answer the following: a. Element – b. Atomic number is used to identify elements on the periodic table…what is the difference between atomic number and atomic mass? 3. Give the chemical symbol of the 6 major elements and the 6 lesser elements that make up the human body: 4. Define and answer the following: a. Isotope – b. What are radioisotopes & how are they used in medicine?c. Ion – d. What is the relationship between an electrolyte and an ion? 5. Name the following types of chemical bonds: a. A bond formed when two atoms share one or more pairs of electrons: b. A bond formed when two ions of opposite charge are attracted to each other: c. A bond formed between two molecules; it occurs because of attractive forces between a positively charged area of one molecule and a negatively charged area of another molecule: 6. Differentiate between a polar and non-polar covalent bond. 7. Explain the difference between a compound and a molecule. 8. The most important inorganic molecule is water - answer and define: a. Why is it so essential? b. Hydrophilic: c. Hydrophobic: 9. Define the following: a. Acid b. Base c. pH – 10. Explain how catabolism and anabolism work together. 11. Organic chemistry is the branch of science that studies Carbon. What makes the carbon atom so important to living systems? 12. List the four macromolecules that make up all living things and describe their major functions. 13. What is the difference between a monosaccharide, disaccharide, and polysaccharide? Rev. 1.28.2013 pg. 1 14. Describe the structure and function of each type of lipid: a. Triglycerides b. Phospholipids c. Cholesterol 15. What subunits make up a protein? How many of these subunits are there? What are some functions of proteins? 16. Enzymes are made up of proteins, what are some of their functions and how do they work? 17. How do we get energy from ATP? 18. Compare and contrast the structure and function of DNA and RNA. 19. Define the following cell organelles: a. Cell membrane : f. Smooth Endoplasmic Reticulum (SER) : b. Cytoplasm: g. Golgi: c. Nucleus: h. Mitochondria: d. Rough Endoplasmic Reticulum (RER): i. Vesicles: e. Ribosome: 20. Write the equation for cellular respiration (aerobic): 21. Compare and contrast passive and active transport. Refer to energy use, concentrations gradient, and list the main types for each one. 22. Osmosis & Tonicity – explain what happens to a cell when placed in each of the following solutions: a. Isotonic: b. Hypertonic: c. Hypotonic: 23. Differentiate between endocytosis and exocytosis, give examples if applicable. 24. What is cancer? How can it spread to other areas of the body? 25. What is a nucleotide? How does it relate to DNA? 26. Describe the structure and function of a gene. 27. Explain what happens in each phase of the cell cycle. a. Interphase b. Mitosis i. Prophase ii. Metaphase iii. Anaphase iv. Telophase 28. Define the following: a. Histology – b. Longitudinal section – c. Cross section – d. Oblique – 29. Give the major function of each type of tissue: a. Epithelial b. Connective c. Nervous d. Muscular Rev. 1.28.2013 pg. 2 30. Identifying Epithelial Tissue (Membranes) – Epithelial Tissue is named by its class, cell shape, and specialized structures. Name the following epithelial tissues using the clues provided, give an example of where the tissue might be found in the body, and give its general function. a. Four Types of Simple Epithelia i. ___________________________ – one layer of flat cells ii. ___________________________ – one layer of cube-shaped cells iii. ___________________________ – one layer of column-shaped cells iv. ___________________________ – looks stratified, but is single layer, not all reach free surface b. Four Types of Stratified Epithelia i. ___________________________ – multiple layers of flat cells ii. ___________________________ – multiple layers of cube-shaped cells iii. ___________________________ – multiple layers of column-shaped cells iv. ___________________________ – changes shape, between squamous and cuboidal 31. Connective tissue – describe the general structure, basic function, and give an example of where it might be found in the body for each: a. Fibrous: i. Loose areolar ii. Loose reticular iii. Dense regular iv. Dense reticular b. Adipose c. Cartilage i. Hyaline ii. Elastic iii. Fibrous d. Bone i. Compact ii. Spongy e. Blood 32. Describe the structure, function and location of nervous tissue. 33. Describe the structure, function, and location of muscular tissue. a. Skeletal b. Cardiac c. Smooth 34. Define the following terms relating to tissue growth: a. Hyperplasia c. Metaplasia b. Hypertrophy d. Neoplasia 35. Define the following terms relating to tissue shrinkage or death: a. Atrophy b. Necrosis Rev. 1.28.2013 pg. 3 a. b. c. d. e. f. g. a. b. a. b. c. a. b. c. 36. Cancers are named for their tissue of origin, name the following cancers: a. _______________________ – originate in epithelial tissue (membranes, glands) b. _______________________ – originate in blood-forming tissue (bone marrow) c. _______________________– originate in lymph nodes d. _______________________– originate in pigment cells of epidermis (melanocytes) e. _______________________ – originate in bone, other connective tissue, or muscle 37. Anatomic Directional Terms – give the direction for the following: _____________or Ventral – front side h. Distal – ______________point of attachment _____________ or Dorsal – back side i. Ipsilateral – on ______________ side of body Superior – toward the _____________ j. Contralateral – on ______________side of body Inferior – away from the ______________ k. Superficial – _____________ body surface Medial – toward __________ of the body l. Deep – ________________ body surface Lateral – away from the ____________of the body m. Supine – facing___________ Proximal – ___________ point of attachment n. Prone – facing ____________ 38. Body Regions – describe the following: Axial: Appendicular: 39. Thoracic Cavity & Membranes – define the following membranes and determine their position: Mediastinum: Pericardium: i. _______________Pericardium – inner layer ii. _______________ Pericardium – outer layer iii. Pericardial _______________ – space between layers iv. Pericardial _______________– lubricates layers Pleura i. _____________ Pleura – inner layer ii. _____________Pleura – outer layer iii. Pleural ________________ – space between layers iv. Pleural ________________ – lubricates layers 40. Abdominopelvic Cavity & Membranes- Define the following cavities/membranes and determine their position: Abdominal Cavity: Pelvic Cavity: Peritoneum : i. ________________ Peritoneum – inner layer ii. ________________Peritoneum – outer layer iii. Peritoneal _____________________ – space between layers iv. Peritoneal _____________________ – lubricates layers 41. Define Homeostasis: 42. Negative Feedback – define and give an example of negative feedback: 43. Positive Feedback – define and give an example of positive feedback: Rev. 1.28.2013 pg. 4