Bio. 205

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Bio. 205
2013-10-15 10:47:16

Chap. 4,5,6,8
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  1. The epidermis of the skin is comprised of _______ tissue.
    Stratified squamous
  2. This gland is widely distributed throughout the body. It is commonly found adjacent to the hair follicles and it secretes a compound called sebum.
    Sebaceous gland
  3. A needle would pierce the epidermal layers of the forearm in which order? Basale Spinosum Granulosum Corneum
    Corneum, granulosum, spinosum, basale
  4. The single most important risk for skin cancer is?
    overexposure to UV radiation
  5. A splinter penetrated into the skin of the sole of the foot, almost to the papillary region of the dermis. Which layer of the epidermis would be the final layer injured?
  6. The immediate life-threatening risk from burns is:
    Hypovolemia (water and electrolyte imbalance due to fluid loss)
  7. This gland is limited to axillary and anogenital areas and it is only functional from puberty onward.
    Apocrine sweat gland
  8. Which group of cells in the epidermis function as part of the human immune system?
    Epidermal dendritic (langerhans) cells
  9. Which of the following structures is a sensory receptor?
    Pacinian corpuscles
  10. Which glands produce ear wax?
    ceruminous glands
  11. The epidermis consists of five layers of cells, each layer with a distinct role to play in the health, well-being, and functioning of the skin. Which of the following layers is responsible for cell division and replacement?
    Stratum basale
  12. The reason the hypodermis acts as a shock absorber is that _________.
    The major part of its makeup is adipose, which serves as an effective shock absorber.
  13. Which of the following cells and their functions are correctly matched?
    • a)Keratinocytes- provide sense of touch and pressure
    • b)Melanocytes- protects cells in the statum corneum from damaging effects of suns rays
    • c)Tactile cells-protection
    • **d)Dendritic cells-activate the immune system
  14. The dermis has two major layers. WHich layer constitutes 80% of the dermis and is responsible for the tension lines in the skin.
    The reticular layer
  15. What are six of the functions of the epidermis?
    • against abrasion
    • from the suns radiation
    • 3.first line of immune system defense
    • from water loss
    • from heat loss
    • 6.sensory perception
  16. Name the layers of the epidermis in order form surface down.
    Stratum corneum, lucidum, granulosum, spinosum, and basale.
  17. Why are the apocrine sweat glands fairly unimportant in thermal regulation?
    They are largely confined to the axillary and anogenital regions rather than distributed on the body where heat can be more readily dissipated.
  18. The only place you will find stratum _______ is in the skin that covers the palms,fingertips, and soles of the feet.
  19. Burns that result in injury to the epidermis and upper regions of the dermis is called a ______ burn.
    2nd degree
  20. Pigment-producing cells in the epidermis are ________.
  21. _______ tissue is the type of epithelial tissue that is predominant in the epidermis layer of your skin. It consists of many layer of flattened cells.
    Stratified squamous epithelium
  22. ______ tissue is the type of epithelial tissue that makes up the lining of the bladder and uterus. It can stretch or constrict depending on the volume of liquid within its cavity.
    Transitional epithelium
  23. a tissue is defined as:
    a group of cells that are similar in size,shape,and functions.
  24. Which of the following is a major tissue type in the human body?
    • connective tissue¬†
    • epithelial tissue
    • muscular tissue
    • nervous tissue
  25. A ______ gland secretes its product directly into ducts, which lead directly into the external environment or into a body cavity.
  26. ______ is a single layer of flat cells in contact with the basement membrane. This type of epithelium is often permeable and occurs where small molecules pass quickly through membranes via filtration or diffusion.
    Simple squamous epithelium
  27. ______ consists of multiple layer of epithelial cells which can contract and expand. These cells, part of the epithelium, are usually found in the urinary tract, especially around urinary bladder.
    Transitional epithelium
  28. _____ is a type of connective tissue that stores fat within large vacuoles. Its functions include insulation and energy storage.
    adipose tissue
  29. ______ tissues are anchored to a basement membrane, are made up of tightly packed cells, generally lack blood vessels, and are replaced frequently.
  30. Which of the following is true about the mode of secretion of exocrine glands?
    Merocrine glands are not altered by the secretory process.
  31. Glands, such as the thyroid, that secrete their products directly into the blood rather than through ducts are classified as_______.
  32. Which of the following statements is true of connective tissue?
    Collagen fibers provides high tensile strength
  33. Which cells are commonly wedged between simple columnar epithelial cells?
    goblet cells
  34. Mesenchymal cells are most commonly found in ______ connective tissue.
  35. The three major types of joints include?
    fibrous, cartilaginous, and synovial joints
  36. This type of synovial joint allows for a wide range of motion. It involves one bone with and egg-shaped head articulating with the cup-shaped cavity of another bone.
    Ball-and-Socket joint
  37. This type of synovial joint aloows for movement in one plane only. In this joint a convex surface fits in a concave surface. The elbow joint is an example of this type of joint.
    Hinge Joint
  38. This type of synovial joint allows for a back-and-forth motion. The articulating surfaces are nearly flat or slightly curved. The ankle joint is an example of this.
    Gliding Joints
  39. Tendon sheaths ______.
    Act as friction-reducing structures.
  40. These joints have a number of distinguishing characteristics including: a joint cavity, articular cartilage, reinforcing ligaments, and various friction-reducing structures. This group includes most of the mobile joints of the human body.
    Synovial Joints
  41. In ______, the bones are forced out of their normal alignment. Inflammation, sprains, and joint immobilization usually follow this type of injury.
  42. In ______, the ligaments are stretched or torn. Partial tears will slowly repair themselves, whereas complete ruptures require prompt surgical repair of the ligament.
  43. _______ are elongated bursa that wrap completely around a tendon.
    Tendon Sheaths
  44. This type of synovial joint allows for biaxial motion to a greater degree than in the condyloid joints. Each articular surface in this joint has both concave and convex areas. The carpometacarpal joint of the thumb is and example of this joint.
    Saddle Joint
  45. This is a medical condition usually characterized by recurrent attacks of acute inflammatory arthritis caused by the build up of uric acid crystals in the joints and soft tissues. It most commonly affects the big toe.
    gouty arthritis
  46. Fibrous joints are classified as ________.
    Sutures, syndesmoses, and gomphoses
  47. What is moving a limb away from the median plane of the body along the frontal plane called?
  48. In the classification of joints, which of the following is true?
    All synovial joints are freely movable
  49. Articular cartilage found at the ends of the long bones serves to _______.
    provide a smooth surface at the ends of synovial joints
  50. Moving your jaw forward, causing an underbite, is called _______.
  51. Using the functional classification, a freely movable joint would be called a ______ joint.
  52. Synovial joints have five major features. What are they?
    Articular cartilage, a joint cavity, an articular capsule, synovial fluid, and reinforcing ligaments.
  53. The cell responsible for secreting the matrix of bone is the
  54. A fracture in the shaft of a bone would be a break in the
  55. What kind of tissue is the forerunner of long bones in the embryo?
    Hyaline cartilage
  56. Which of the following is not a function of the skeleton system? support, storage of minerals, production of blood cells, communication, protection
  57. The frontal bone of the skull would be an example of which type of bone?
  58. Bones are constantly undergoing resorption for various reasons. Which of the following cells accomplishes this process? osteoclast, osteocyte, osteoblast, osteogenic cells
  59. Wolff's law is concerned with ________.
    The thickness and shape of a bone being dependent on stresses place upon it.
  60. The structural unit of spongy bone is called _______.
  61. The structural unit of compact bone is called _______.