Principles of Anatomy and Physiology, 14th Edition Tortora Test Bank PDF
Preview Principles of Anatomy and Physiology, 14th Edition Tortora Test Bank
Principles of Anatomy and Physiology, 14th Edition Tortora Test Bank Completed download: https://testbankreal.com/download/principles-anatomy-physiology-14th- edition-test-bank-tortora-derrickson/ (This is completed downloadable package TEST BANK for Principles of Anatomy and Physiology, 14th Edition by Gerard J. Tortora , Bryan H. Derrickson) Package Title: Testbank Course Title: PAP 14 Chapter Number: 03 Question type: Multiple Choice 1) What are the three main parts of a eukaryotic cell? a) plasma membrane, organelles, cytoplasm b) plasma membrane, organelles, nucleus c) plasma membrane, cytoplasm, organelles d) plasma membrane, cytoplasm, nucleus e) plasma membrane, cytosol, organelles Answer: d Difficulty: Medium Study Objective 1: SO 3.1 Name and describe the three main parts of a cell. Section Reference 1: Sec 3.1 Parts of a Cell Question type: Essay 2) Briefly describe the fluid mosaic model. Answer: Difficulty: Medium Study Objective 1: SO 3.2 Describe the structure and functions of the plasma membrane. Section Reference 1: Sec 3.2 The Plasma Membrane Solution: The fluid mosaic model states that the molecular arrangement of the plasma membrane resembles an ever-moving sea of fluid lipids containing a mosaic of many different proteins. Question type: Multiple Choice 3) The three main components of the lipid bilayer portion of a plasma membrane are a) phospholipids, glycoproteins, and water. b) proteins, cholesterol, and fatty acids. c) cholesterol, triglycerides, and glycolipids. d) phospholipids, cholesterol, and glycolipids. e) phospholipids, cholesterol, and proteins. Answer: d Difficulty: Medium Study Objective 1: SO 3.2 Describe the structure and functions of the plasma membrane. Study Objective 2: SO 3.2.2 Explain the concept of selective permeability. Section Reference 1: Sec 3.2 The Plasma Membrane 4) What are the nonpolar parts of phospholipids? a) phosphate-containing head groups b) fatty acid tail groups c) Both the head and tail groups are nonpolar. d) Neither the head nor tail groups are nonpolar. Answer: b Difficulty: Medium Study Objective 1: SO 3.2 Describe the structure and functions of the plasma membrane. Study Objective 2: SO 3.2.2 Explain the concept of selective permeability. Section Reference 1: Sec 3.2 The Plasma Membrane 5) The polar portion of a cholesterol molecule, which forms hydrogen bonds with the polar heads of neighboring phospholipids and glycolipids, consists of a a) –OH group. b) –CH group. 3 c) –CH group 4 d) –COOH group e) None of these choices is correct. Answer: a Difficulty: Hard Study Objective 1: SO 3.2 Describe the structure and functions of the plasma membrane. Study Objective 2: SO 3.2.2 Explain the concept of selective permeability. Section Reference 1: Sec 3.2 The Plasma Membrane 6) This type of membrane protein extends across the entire lipid bilayer of the plasma membrane touching both intracellular fluid and the extracellular fluid. a) complement protein b) transmembrane protein c) peripheral protein d) lipoprotein e) All of these choices are correct. Answer: b Difficulty: Medium Study Objective 1: SO 3.2 Describe the structure and functions of the plasma membrane. Study Objective 2: SO 3.2.2 Explain the concept of selective permeability. Section Reference 1: Sec 3.2 The Plasma Membrane Question type: Essay 7) Describe five different functions of integral membrane proteins. Answer: Difficulty: Hard Study Objective 1: SO 3.2 Describe the structure and functions of the plasma membrane. Study Objective 2: SO 3.2.2 Explain the concept of selective permeability. Section Reference 1: Sec 3.2 The Plasma Membrane Solution: Some membrane proteins act as ion channels or carriers that transport substances across the membrane. Other membrane proteins act as receptors that allow the cell to respond to various types of ligands. Other membrane proteins are enzymes that catalyze specific chemical reactions. Still other membrane proteins act as linker proteins that anchor cells to neighboring structures including other cells. Lastly, some membrane proteins serve as cell identity molecules. Question type: Multiple Choice 8) This type of membrane protein enables cells to catalyze specific chemical reactions at the inner or outer surface of their plasma membrane. a) receptors b) phospholipids c) cholesterol d) enzymes e) ligands Answer: d Difficulty: Medium Study Objective 1: SO 3.2 Describe the structure and functions of the plasma membrane. Study Objective 2: SO 3.2.2 Explain the concept of selective permeability. Section Reference 1: Sec 3.2 The Plasma Membrane 9) Which of the following types of membrane proteins function by recognizing and binding to hormones and neurotransmitters? a) transporters b) receptors c) enzymes d) linkers e) cell identification markers Answer: b Difficulty: Medium Study Objective 1: SO 3.2 Describe the structure and functions of the plasma membrane. Study Objective 2: SO 3.2.2 Explain the concept of selective permeability. Section Reference 1: Sec 3.2 The Plasma Membrane 10) This type of membrane protein anchors cells to neighboring cells and to protein filaments found outside or inside the cell. a) transporters b) receptors c) ligands d) ion channels e) linkers Answer: e Difficulty: Easy Study Objective 1: SO 3.2 Describe the structure and functions of the plasma membrane. Study Objective 2: SO 3.2.2 Explain the concept of selective permeability. Section Reference 1: Sec 3.2 The Plasma Membrane 11) Plasma membranes are _____, which means that some chemicals move easily through plasma membrane while other chemicals do not. a) selectively permeable b) concentration graded c) electrically graded d) selectively soluble e) electrical insulators Answer: a Difficulty: Medium Study Objective 1: SO 3.2 Describe the plasma membrane structural and functional properties. Study Objective 2: SO 3.2.2 Explain the concept of selective permeability. Section Reference 1: Sec 3.3 Transport across the Plasma Membrane 12) Which of the following does NOT influence the rate of diffusion of a chemical across a plasma membrane? a) concentration gradient of the chemical across the membrane b) mass of the diffusing chemical c) distance that the chemical has to diffuse d) amount of ATP available e) temperature Answer: d Difficulty: Medium Study Objective 1: SO 3.3 Describe the processes that transport substances across the plasma membrane. Section Reference 1: Sec 3.3 Transport across the Plasma Membrane Question type: Essay 13) Briefly describe the driving force for the movement of water across plasma membranes. Answer: Difficulty: Medium Study Objective 1: SO 3.3 Describe the processes that transport substances across the plasma membrane. Section Reference 1: Sec 3.3 Transport across the Plasma Membrane Solution: Water moves across membranes by osmosis, which is driven by solute concentration differences across the membrane. Water moves from the area of low solute concentration to the area of high solute concentrations. Question type: Multiple Choice 14) This is a measure of a solution’s ability to change the volume of cells by altering their water content. a) filtration b) normality c) tonicity d) equivalency e) facilitation Answer: c Difficulty: Medium Study Objective 1: SO 3.3 Describe the processes that transport substances across the plasma membrane. Section Reference 1: Sec 3.3 Transport across the Plasma Membrane 15) This is the transport process by which gases, like O and CO , move through a membrane. 2 2 a) osmosis b) active transport c) secondary active transport d) simple diffusion e) endocytosis Answer: d Difficulty: Medium Study Objective 1: SO 3.3 Describe the processes that transport substances across the plasma membrane. Section Reference 1: Sec 3.3 Transport across the Plasma Membrane 16) In this type of transport process, a solute (e.g. glucose) binds to a specific carrier protein on one side of the membrane. This binding induces a conformational change in the carrier protein that results in the solute moving down its concentration gradient to the other side of the membrane. a) osmosis b) active transport c) secondary active transport d) facilitated diffusion e) endocytosis Answer: d Difficulty: Medium Study Objective 1: SO 3.3 Describe the processes that transport substances across the plasma membrane. Section Reference 1: Sec 3.3 Transport across the Plasma Membrane 17) In this transport process, the energy from hydrolysis of ATP is used to drive substances across the membrane against their own concentration gradients. a) primary active transport b) secondary active transport c) facilitated diffusion d) passive diffusion e) osmosis Answer: a Difficulty: Medium Study Objective 1: SO 3.3 Describe the processes that transport substances across the plasma membrane. Section Reference 1: Sec 3.3 Transport across the Plasma Membrane 18) If the solute concentration is greater inside of the cell than outside the cell, water will move by osmosis a) into the cell. b) out of the cell. c) into and out of the cell at the same rate resulting in no net water movement. d) All of these answer choices are correct. e) None of these answers are correct. Answer: a Difficulty: Hard Study Objective 1: SO 3.3 Describe the processes that transport substances across the plasma membrane. Section Reference 1: Sec 3.3 Transport across the Plasma Membrane 19) What transport process uses the energy stored in a Na+ or H+ concentration gradient to drive other substances across the membrane against their own concentration gradients? a) primary active transport b) secondary active transport c) facilitated diffusion d) passive diffusion e) osmosis Answer: b Difficulty: Medium Study Objective 1: SO 3.3 Describe the processes that transport substances across the plasma membrane. Section Reference 1: Sec 3.3 Transport across the Plasma Membrane 20) Which of the following transport processes uses vesicles that fuse with the plasma membrane to secrete materials into the extracellular fluid? a) endocytosis b) exocytosis c) facilitated diffusion d) osmosis e) Both endocytosis and exocytosis. Answer: b Difficulty: Medium Study Objective 1: SO 3.3 Describe the processes that transport substances across the plasma membrane. Section Reference 1: Sec 3.3 Transport across the Plasma Membrane 21) Which of the following transport process uses vesicles formed at the plasma membrane to take up extracellular substances and import them into the cell? a) endocytosis b) exocytosis c) facilitated diffusion d) osmosis e) Both endocytosis and exocytosis. Answer: a Difficulty: Medium Study Objective 1: SO 3.3 Describe the processes that transport substances across the plasma membrane. Section Reference 1: Sec 3.3 Transport across the Plasma Membrane Question type: Essay 22) List the steps involved in receptor-mediated endocytosis. Answer: Difficulty: Medium Study Objective 1: SO 3.3 Describe the processes that transport substances across the plasma membrane. Section Reference 1: Sec 3.3 Transport across the Plasma Membrane Solution: The steps involved in receptor-mediated endocytosis include 1)ligand binding, 2)vesicle formation, 3)uncoating of the vesicle, 4)fusion of the vesicle with endosome, 5)recycling of receptors to the plasma membrane, and 6)degradation of the ligand in the lysosome. Question type: Multiple Choice 23) During phagocytosis, binding of a particle to a plasma membrane receptor triggers formation of _____, which are extensions of the plasma membrane of the phagocyte that eventually surround the particle forming a phagosome. a) podocytes b) exterior vesicles c) interior vesicles d) pseudopods e) lysosomes Answer: d Difficulty: Medium Study Objective 1: SO 3.3 Describe the processes that transport substances across the plasma membrane. Section Reference 1: Sec 3.3 Transport across the Plasma Membrane 24) Which of the following is NOT a characteristic of the cytosol? a) primarily consists of water b) cation of electron transport chain carrier proteins c) site of many important chemical reactions d) often contains aggregates of triglycerides that form lipid droplets e) contains the enzymes of glycolysis Answer: b Difficulty: Easy Study Objective 1: SO 3.4 Describe the structure and function of cytoplasm, cytosol, and organelles. Section Reference 1: Sec 3.4 Cytoplasm 25) Specialized structures within a cell that have a characteristic shape and perform specific functions in cellular growth, maintenance and reproduction are called a) organelles. b) cytoskeletons. c) cytoplasm. d) cytosol. e) nuclei. Answer: a Difficulty: Easy Study Objective 1: SO 3.4 Describe the structure and function of cytoplasm, cytosol, and organelles. Section Reference 1: Sec 3.4 Cytoplasm 26) Microfilaments, intermediate filaments and microtubules are all components of a cell’s a) cytoskeleton. b) nucleus. c) plasma membrane. d) flagella. e) ribosome. Answer: a Difficulty: Easy
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