2-22. 2-23. 2-24. 2-25. 2-26. 2-27. 2-28. What step(s) on the graph indicate(s)  gross  fog? 1. 1 only 2. 1 and 2 only 3. 3 and 4 only 4. 1, 2, 3, and 4 What  section  of  a  characteristic curve  represents  the  shadow  areas of a subject? 1. Toe 2. Straight  line 3. Shoulder 4. Slope What  point  on  a  characteristic curve  indicates  the  least  amount of  exposure  and  produces  a noticeable  change  in  density? 1. The speed point 2. The  inertia  point 3. The  threshold 4. The  minimum  useful  density What  section  has  the  greatest  slope or  gradient  on  a  characteristic curve? 1. Toe 2. Straight  line 3. Shoulder 4. Threshold On  a  characteristic  curve,  what section  indicates  an  equal  change in density for an equal increase in exposure? 1. Toe 2. Straight  line 3. Shoulder 4. Threshold The bright,   highlight tones of a subject are indicated on what portion  of  a  characteristic  curve? 1. Toe 2. Straight  line 3. Shoulder 4. Threshold At  what  section  of  a  characteristic curve  does  the  density  decrease when there is an increase in exposure? 1. Toe 2. Straight  line 3. Shoulder 4. Threshold 2-29. 2-30. 2-31. 2-32. 2-33. 2-34. 2-35. The  range  of  exposures  covered by  the  straight-line  section of a characteristic curve is known by what term? 1. Emulsion  latitude 2. Exposure  latitude 3. Useful  exposure  range 4. Total  exposure  scale As the contrast of a film increases,    the  emulsion  latitude 1. increases 2. decreases 3. remains the same You  are  determining  the  useful exposure range of a ground- pictorial film. What  sections of  a  characteristic  curve  should you  consider  when  making  this determination? 1. Toe  section  only 2. Straight-line  section  only 3. Shoulder  section  only 4. Toe,   straight-line,  and shoulder  section For  ground-pictorial  film,  the minimum useful density is at what point  on  a  characteristic  curve? 1. Gross fog 2. 0.10 above gross fog 3. 0.30 above gross fog 4. 90 percent of the maximum density What  term  describes  the  margin of exposure error? 1. Exposure  latitude 2. 3. Speed point Gamma  infinity 4. Exposure  range Which of the following film and subject  combinations  provide  the greatest  exposure  latitude? 1. Kodalith Ortho and a block diagram 2. Kodachrome 25 and a landscape scene 3. Kodacolor Gold 400 and a foggy seascape 4. A film with which of the follow- ing IS0 speeds has the greatest exposure  latitude? 1. 50 2. 100 3. 200 4. 400 10