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Patho Ch. 3 Questions

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: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension) 94) ________ proteins extend all the way across the cell membrane.

Integral / Transmembrane

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge) 95) ________ proteins attach loosely to other membrane proteins or polar regions of phospholipids.

Peripheral

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge) 53) Exocrine glands A) may make either mucous or serous secretions. B) release their secretions into the external environment. C) release their secretions through open tubes, called ducts. D) may work as single cells or as a multicellular organ. E) All of the statements are true.

All of the statements are true.

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge) 33) Peroxisomes A) use an enzyme to destroy H2O2 that is toxic to the cell. B) are a type of lysosome. C) are responsible for the atrophy of unused muscles. D) are sites for synthesis of fatty acids, steroids, and phospholipids. E) All of the answers accurately describe peroxisomes.

use an enzyme to destroy H2O2 that is toxic to the cell.

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge) 87) The combination of fibers and ground substance in supporting connective tissues is known as ________.

(extracellular) matrix

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge) 8) What is/are the major role(s) of the phospholipid bilayer? A) the absorption of fats only B) the formation of a barrier that is selectively permeable to lipid-soluble molecules only C) to provide a framework for membrane proteins only D) to carry water-soluble molecules through a hydrophobic environment only E) the formation of a barrier that is selectively permeable to lipid-soluble molecules and to provide a framework for membrane proteins

-the formation of a barrier that is selectively permeable to lipid-soluble molecules -to provide a framework for membrane proteins

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension) 41) Arrange the following events in protein secretion in the proper sequence. 1. The polypeptide chain enters the lumen of the endoplasmic reticulum. 2. A secretory vesicle is formed. 3. A transport vesicle is formed. 4. The polypeptide chain enters the lumen of the Golgi complex. A) 1, 2, 3, 4 B) 1, 3, 2, 4 C) 1, 3, 4, 2 D) 4, 3, 1, 2 E) 3, 1, 4, 2

1, 2, 3, 4

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge) Match the organelle with its function. A. endoplasmic reticulum B. Golgi apparatus C. lysosomes D. mitochondria E. peroxisomes 67) The "powerhouse" of the cell, ATP is produced here. 68) These degrade long chain fatty acids and toxic foreign molecules. 69) It is the digestive system of a cell, degrading and/or recycling bacterial or organic components. 70) It modifies proteins and packages them into secretory vesicles for export from the cell.

67. mitochondria 68. peroxisomes 69. lysosomes 70. golgi apparatus

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge) Match the type of cell junction with the best description. Answers may be used once, more than once, or not at all A. gap junction B. tight junction C. anchoring junction 71) simplest cell-cell junction 72) contributes to the blood-brain barrier 73) can be cell-matrix junctions 74) their loss is characteristic of cancer

71. gap 72. tight 73. anchoring 74. anchoring

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Application) Match the cell type to its tissue or function. A. cartilage B. destroys bone matrix C. loose connective tissue D. fat E. maintains bone matrix 75) adipocyte 76) fibroblast 77) chondrocyte 78) osteocyte 79) osteoclast

75. fat 76. loose connective tissue 77. cartilage 78. maintains bone matrix 79. destroys bone matrix

: Level II: Reviewing Concepts (Bloom's Taxonomy: Comprehension) For each question, select the corresponding category: A. membranous organelle B. inclusion 123) lysosome

: A Section Title: Intracellular Compartments Learning Outcome: 3.4

: Level II: Reviewing Concepts (Bloom's Taxonomy: Comprehension) For each question, select the corresponding category: A. membranous organelle B. inclusion 124) mitochondrion

: A Section Title: Intracellular Compartments Learning Outcome: 3.4

: Level II: Reviewing Concepts (Bloom's Taxonomy: Comprehension) For each question, select the corresponding category: A. membranous organelle B. inclusion 127) endoplasmic reticulum

: A Section Title: Intracellular Compartments Learning Outcome: 3.4

: Level II: Reviewing Concepts (Bloom's Taxonomy: Analysis) 117) Close examination of an organ reveals a lining of several layers of cells. The layers do not contain any blood vessels, and one surface of the cells faces the internal cavity of the organ. This tissue is probably A) epithelium. B) muscle tissue. C) connective tissue. D) neural tissue. E) fat tissue.

: A Section Title: Tissues of the Body Learning Outcome: 3.6

: Level II: Reviewing Concepts (Bloom's Taxonomy: Analysis) 118) Increasing muscle mass and decreasing fat content in your body can increase resting metabolism. Why is this? A) because doing so requires exercise and exercising burns calories B) because muscle cells have more mitochondria than fat cells, allowing for more energy to be made from sugar C) because adipocytes contain more cytoplasmic inclusions which slow down metabolism D) because fat cells have no blood supply and cannot carry nutrients to be metabolized

: B Section Title: Intracellular Compartments Learning Outcome: 3.4

: Level II: Reviewing Concepts (Bloom's Taxonomy: Comprehension) For each question, select the corresponding category: A. membranous organelle B. inclusion 125) ribosome

: B Section Title: Intracellular Compartments Learning Outcome: 3.4

: Level II: Reviewing Concepts (Bloom's Taxonomy: Comprehension) For each question, select the corresponding category: A. membranous organelle B. inclusion 126) cilium

: B Section Title: Intracellular Compartments Learning Outcome: 3.4

: Level II: Reviewing Concepts (Bloom's Taxonomy: Analysis) 122) Only totipotent stem cells are capable of producing new cells in an adult. A) True B) False

: B Section Title: Tissue Remodeling Learning Outcome: 3.6

: Level II: Reviewing Concepts (Bloom's Taxonomy: Application) The five functional types of epithelia are listed below. Match each type with its location and/or description. A. exchange B. transport C. ciliated D. protective E. secretory 129) This tissue actively and selectively regulates the exchange of nongaseous material, such as ions and nutrients, and can be regulated in response to various stimuli.

: B Section Title: Tissues of the Body Learning Outcome: 3.8

: Level II: Reviewing Concepts (Bloom's Taxonomy: Analysis) 121) Neurons in the CNS of the adult don't contain centrioles. What does that tell you about CNS neurons? A) They don't produce any products. B) It doesn't tell you much of anything. C) They don't replicate themselves. D) They don't carry nerve impulses.

: C Section Title: Tissue Remodeling Learning Outcome: 3.6

: Level II: Reviewing Concepts (Bloom's Taxonomy: Analysis) 120) Mature nerve and muscle cells are expected to lack which organelle(s)? A) nucleus B) endoplasmic reticulum C) centrioles D) ribosomes E) Golgi bodies

: C Section Title: Tissues of the Body Learning Outcome: 3.6

: Level II: Reviewing Concepts (Bloom's Taxonomy: Application) 115) The distinguishing characteristic of connective tissue is A) that it is arranged in sheets of tissue that lie on body surfaces. B) always dividing, constantly being replaced throughout the body. C) the presence of extensive extracellular matrix containing widely scattered cells. D) the collagen fibers that offer support. E) All of these characteristics help make connective tissue unique.

: C Section Title: Tissues of the Body Learning Outcome: 3.6

: Level II: Reviewing Concepts (Bloom's Taxonomy: Analysis) 116) Which type of connective tissue does NOT fit with the typical characteristic regarding relative cell density? A) cartilage B) bone C) adipose D) blood E) dense

: C Section Title: Tissues of the Body Learning Outcome: 3.9

: Level II: Reviewing Concepts (Bloom's Taxonomy: Application) 119) Microscopic examination of a tissue reveals an open framework of fibers with a large volume of fluid ground substance and elastic fibers. This tissue would most likely have come from the A) inner wall of a blood vessel. B) lungs. C) spleen. D) tissue that separates skin from underlying muscle. E) bony socket of the eye.

: D Section Title: Tissues of the Body Learning Outcome: 3.6

: Level II: Reviewing Concepts (Bloom's Taxonomy: Comprehension) The five functional types of epithelia are listed below. Match each type with its location and/or description. A. exchange B. transport C. ciliated D. protective E. secretory 128) Found in the epidermis, esophagus, and mouth, these stacked layers of cells prevent exchange, while they resist chemicals, bacteria, and other destructive forces.

: D Section Title: Tissues of the Body Learning Outcome: 3.8

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension) 29) All of the structures listed below are involved in storage, EXCEPT A) lysosomes. B) peroxisomes. C) secretory vesicles. D) storage vesicles. E) All are involved in cellular storage.

All are involved in cellular storage.

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Application) 9) Which of the following is NOT a membrane lipid? A) sphingolipids B) cholesterol C) phospholipids D) All are membrane lipids.

All are membrane lipids.

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension) 22) Microtubules A) are composed of tubulin. B) are hollow, filamentous structures. C) form cilia that aid in cell movement. D) are the largest cytoplasmic fibers. E) All of the answers are correct.