Biology 121 Name___________________________________
Exam #2 By signing my name above, I attest that I have
neither given nor received
8 October 2005 unauthorized help on this exam
Part A. Please provide an appropriate definition for each of the following terms. Please do not just provide an example, although you can use an example to supplement your definition. Each completely correct response is worth 2 pts.
1. melanin-
2. apocrine gland-
3. keratin-
4. stratum corneum-
5. malignant melanoma-
6. diaphysis-
7. red bone marrow-
8. osteoclast-
9. compound fracture-
10. osteoporosis-
11. hyoid bone-
12. lumbar vertebrae-
13. kyphosis-
14. orbit-
15. foramen magnum-
16. xiphoid process-
Part B. Please select the best answer to each of the following questions. Each correct response is worth 1 pt.
_____17. Which part of the skin is made up of keratinized stratified squamous epithelium?
a. dermis
b. sweat glands
c. subcutaneous layer
d. epidermis
e. all of the above
_____18. The layer of epidermis that is lowermost in a skin cross-section is the stratum:
a. basale
b. corneum
c. granulosum
d. lucidum
e. spinosum
_____19. Jaundice is mainly the result of:
a. addison's disease
b. overexposure to UV light
c. pallor
d. liver malfunction
e. all of the above
_____20. Hair is mostly made up of the protein:
a. melanin
b. suberin
c. keratin
d. hemoglobin
e. none of the above
_____21. The arrector pili are responsible for:
a. vellus hair
b. terminal hair
c. baldness
d. sweating
e. goosebumps
_____22. The lunula will be a structure associated with:
a. vellus hair
b. sebaceous glands
c. ceruminous glands
d. fingernails
e. none of the above
_____23. Ear wax is produced by the:
a. eccrine glands
b. mammary glands
c. apocrine glands
d. endocrine glands
e. ceruminous glands
_____24. Which of the following is not a function of the integumentary system?
a. excretion
b. hematopoiesis
c. body temperature regulation
d. vitamin D production
e. protection
_____25. A man has a burn that involves the entire anterior portion of his head. He is burnt over _____ of
his body.
a. 9%
b. 18%
c. 27%
d. 1%
e. none of the above
_____26. The parietal bone would be an example of a(n):
a. flat bone
b. irregular bone
c. long bone
d. short bone
e. none of the above
_____27. The major site of bone growth (in length) in long bones in children is the:
a. diaphysis
b. epiphyseal plate
c. epiphysis
d. articular cartilage
e. medullary cavity
_____28. Cells that are responsible for the reabsorption of bone during remodelling are the:
a. osteoblasts
b. osteoclasts
c. osteocytes
d. chondrocytes
e. none of the above
_____29. Yellow bone marrow is found in:
a. cavities of spongy bone in the epiphysis of long bones, or the diploe of flat bones
b. haversian canals
c. volkmann's canals
d. the medullary cavity
e. none of the above
_____30. Much of the bone matrix is composed of:
a. sodium chloride
b. calcium phosphate
c. calcitonin
d. chondrocytes
e. none of the above
_____31. In the process of endochondral ossification, ________ is converted into _________.
a. fibrous membranes; long and short bones
b. fibrous membranes; flat and irregular bones
c. hyaline cartilage; long and short bones
d. hyaline cartilage; flat and irregular bones
e. none of the above
_____32. The membrane surrounding the bone on the outside is called the:
a. epithelium
b. endosteum
c. stratum basale
d. periosteum
e. none of the above
_____33. Which of the following fractures is usually the easiest to heal, because the bone does not break
completely in two?
a. simple fracture
b. comminuted fracture
c. compound fracture
d. greenstick fracture
e. spiral fracture
_____34. A long-term vitamin D deficiency will often cause the osteoblasts to fail to deposit calcium.
The bone then becomes too soft to properly support the body. This malady is called:
a. osteoporosis
b. osteomalacia or rickets
c. Paget's disease
d. All of the above
e. None of the above
_____35. Osteoporosis can often be treated or prevented by:
a. increasing calcium intake
b. increasing vitamin D intake
c. exercise
d. hormone therapy
e. all of the above
_____36. Which of the following bones forms a major portion of the nasal cavity?
a. ethmoid
b. lacrimal
c. occipital
d. parietal
e. temporal
_____37. Scoliosis is:
a. a disease where holes are formed in long bones making them brittle
b. a swayback
c. the lateral curvature of the spine
d. a hunchback
e. none of the above
_____38. The largest fontanel, located at the junction of the parietal bones with the frontal bone is the:
a. posterior fontanel
b. sphenoidal fontanel
c. mastoid fontanel
d. anterior fontanel
e. none of the above
For the following multiple choice questions, refer to the accompanying bone diagrams.
_____39. #39 is pointing to the:
a. frontal bone
b. parietal bone
c. occipital bone
d. temporal bone
e. sphenoid bone
_____40. #40 is pointing to the:
a. supraorbital foramen
b. sagittal suture
c. coronal suture
d. squamous suture
e. lambdoid suture
_____41. #41 is pointing to the:
a. foramen magnum
b. occipital condyle
c. zygomatic process
d. mastoid process
e. styloid process
_____42. #42 is pointing to the:
a. external auditory meatus
b. petrous portion
c. mandibular fossa
d. sella turcica
e. optic foramen
_____43. #43 is pointing to the:
a. superior orbital fissure
b. foramen rotundum
c. foramen ovale
d. cribriform plate
e. crista galli
_____44. #44 is pointing to the:
a. ethmoid bone
b. maxilla
c. zygomatic bone
d. nasal bone
e. lacrimal bone
_____45. #45 is pointing to the:
a. perpendicular plate
b. middle nasal concha
c. palatine process
d. infraorbital foramen
e. alveolar margin
_____46. #46 is pointing to the:
a. temporal process
b. mandibular condyle
c. coronoid process
d. mandibular notch
e. alveolar margin
_____47. #47 is pointing to the:
a. palatine bone
b. inferior nasal conchae
c. vomer
d. mandible
e. hyoid bone
_____48. #48 is pointing to the:
a. mental foramina
b. anterior fontanel
c. posterior fontanel
d. sphenoidal fontanel
e. mastoid fontanel
_____49. #49 is pointing to the:
a. body
b. spinous process
c. transverse process
d. vertebral arch
e. vertebral foramen
_____50. #50 is pointing to the:
a. superior articular process
b. inferior articular process
c. intervertebral foramen
d. dens
e. sacral promontory
_____51. #51 is pointing to the:
a. cervical vertebrae
b. thoracic vertebrae
c. lumbar vertebrae
d. sacrum
e. coccyx
_____52. #52 is pointing to the:
a. sacral foramen
b. median sacral crest
c. manubrium
d. body
e. xiphoid process
_____53. #53 is pointing to the: