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Which of the following statements concerning epithelial cell surfaces is false?


A) Smooth surfaces reduce friction.
B) Epithelium with folded surfaces tends to be very rigid.
C) Cilia propel materials along the surface of an epithelial cell.
D) Epithelial cells with microvilli are involved in absorption.
E) Epithelium with folded surfaces can change shape.

F) A) and E)
G) A) and B)

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In the process of tissue repair, which of the events listed below occurs last?


A) The wound fills with blood and a clot forms.
B) Granulation tissue develops.
C) A scab forms to seal the wound.
D) An inflammatory response occurs.
E) Fibroblasts migrate to the area.

F) C) and D)
G) B) and D)

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A tissue has the following characteristics: free surface, single layer of cells, cells are narrow and tall, microvilli, many mitochondria, goblet cells. Which of the following is most consistent with those observations? (1) active transport (2) epithelium (3) simple epithelium (4) columnar epithelium (5) cuboidal epithelium (6) squamous epithelium (7) secretion by exocytosis (8) movement of mucous across its surface


A) 1, 2, 3, 4, 7
B) 1, 2, 3, 5, 7
C) 1, 2, 3, 4, 8
D) 2, 3, 4, 8
E) 2, 3, 4, 7

F) B) and C)
G) B) and D)

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What type of cell ingests bacteria?


A) edema
B) secondary union
C) neutrophil
D) granulation tissue
E) scar

F) B) and D)
G) A) and B)

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  -This is a picture of a skin wound. What does  D  represent? A)  dermis B)  subcutaneous fat C)  epidermis D)  blood vessel E)  blood clot -This is a picture of a skin wound. What does "D" represent?


A) dermis
B) subcutaneous fat
C) epidermis
D) blood vessel
E) blood clot

F) None of the above
G) C) and E)

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What type of exocrine gland uses exocytosis to secrete its product?


A) merocrine
B) apocrine
C) holocrine
D) endocrine
E) solocrine

F) A) and B)
G) C) and E)

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Which of the following statements concerning the process of tissue repair is false?


A) In regeneration, destroyed cells are replaced by the same type of cells.
B) In replacement, a new type of tissue develops that eventually results in scar production.
C) Labile cells cannot be replaced by the process of regeneration.
D) Stable cells do not actively replicate after growth but retain the ability to regenerate.
E) Permanent cells have a limited ability to replicate.

F) None of the above
G) A) and E)

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Which of the following molecules consists of numerous polysaccharides attached to a protein core?


A) collagen
B) proteoglycan
C) elastin
D) reticulin
E) hyaluronic acid

F) D) and E)
G) A) and D)

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What is a collection of similar cells and surrounding substances?


A) organ
B) tissue
C) organ system
D) extracellular matrix
E) intracellular matrix

F) None of the above
G) A) and C)

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What type of gland discharges fragments of the gland's cells during secretion?


A) exocrine
B) endocrine
C) merocrine
D) apocrine
E) holocrine

F) A) and E)
G) C) and E)

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What type of gland possesses ducts?


A) exocrine
B) endocrine
C) ectocrine
D) epicrine
E) hypocrine

F) A) and C)
G) A) and D)

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Unlike an exocrine gland, an endocrine gland


A) is a secretory organ.
B) sheds cells with its secretions.
C) has no ducts.
D) contains goblet cells.
E) secretes to a surface.

F) B) and E)
G) All of the above

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The various types of epithelium are classified by


A) the size and shape of cells.
B) the shape of cells and number of cell layers.
C) the number of cell layers and size of the cells.
D) the size and location of cells.
E) function and size of cells.

F) A) and C)
G) C) and D)

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Proteoglycans trap large quantities of water and spring back to original shape after compression. They are found in


A) neurons.
B) tendons.
C) muscles.
D) intervertebral discs.
E) bones.

F) A) and C)
G) A) and B)

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Hyaluronic acid gives a very slippery quality to fluids that contain it. Hyaluronic acid


A) resists stretching.
B) functions as an insulator.
C) is a good lubricant for joint cavities.
D) promotes oxygen transport in the plasma.
E) is a protein.

F) B) and D)
G) A) and D)

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What is a malignant neoplasm derived from epithelial tissue?


A) metastasis
B) malignant
C) sarcoma
D) benign
E) carcinoma

F) A) and C)
G) D) and E)

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What type of gland excretes products by secretion into the blood?


A) exocrine
B) endocrine
C) merocrine
D) apocrine
E) holocrine

F) A) and E)
G) D) and E)

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The extracellular matrix of connective tissue contains


A) adipose.
B) plasma.
C) serous fluid.
D) synoval fluid.
E) proteoglycans.

F) B) and E)
G) A) and B)

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What type of membranes line cavities that open to the outside and often contain mucous glands?


A) serous
B) mucous
C) synovial
D) gobletal
E) cutaneous

F) B) and E)
G) A) and D)

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Movement of food through the digestive tract results from the action of


A) cardiac muscle.
B) smooth muscle.
C) skeletal muscle.
D) undifferentiated muscle.
E) voluntary muscle.

F) B) and E)
G) B) and D)

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