Patho Ch 5 Questions

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: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension) 70) At rest, nerve cells have a voltage of ________ mV.

: -70 (Note to instructor: All nerve cells are different, so you may wish to accept a range of similar values instead of insisting on precisely this value.) Section Title: The Resting Membrane Potential Learning Outcome: 5.11

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge) 61) The Na+-K+-ATPase pumps (this number of) ________ Na+ ions ________ (into/out of) the cell and (this number of) ________ K+ ions ________ (into/out of) the cell.

: 3 Na+, out of, 2 K+, into Section Title: Protein-Mediated Transport Learning Outcome: 5.7

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension) Match the transport process to its description. A. active transport B. passive transport 33) the movement of molecules against the concentration gradient

active transport

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension) Match the transport process to its description. A. simple diffusion B. facilitated diffusion C. both D. neither 38) conform(s) to the properties of specificity, competition, and saturation

facilitated diffusion

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge) 18) Compared to the outside surface, the inside of a resting cell membrane is A) positively charged. B) negatively charged. C) electrically neutral. D) continuously reversing its electrical charge. E) positively charged whenever the sodium-potassium pump is active.

negatively charged.

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension) Match the transport process to its description. A. active transport B. passive transport 31) the movement of molecules from an area of high concentration to an area of low concentration

passive transport

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge) Match the transport process to its description. A. active transport B. passive transport 34) tends to create an equilibrium state

passive transport

: Level II: Reviewing Concepts (Bloom's Taxonomy: Comprehension) 76) The inside of a resting cell is slightly negative relative to the outside. This is an example of A) electrical disequilibrium. B) osmotic equilibrium. C) chemical disequilibrium. D) failed homeostasis.

: A Section Title: Osmosis and Tonicity Learning Outcome: 5.1

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge) Match the terms to changes presented, assuming a resting membrane potential of -70 mV. Answers may be used once, more than once, or not at all. A. electrical polarization B. hyperpolarization C. depolarization D. repolarization E. more than one of the answers 48) any value other than 0 mV, regardless of relationship to resting potential

: A Section Title: The Resting Membrane Potential Learning Outcome: 5.11

: Level II: Reviewing Concepts (Bloom's Taxonomy: Comprehension) 85) The cell membrane acts as a good A) electrical insulator. B) electrical conductor. C) electrical gradient. D) source of ions.

: A Section Title: The Resting Membrane Potential Learning Outcome: 5.11

: Level II: Reviewing Concepts (Bloom's Taxonomy: Comprehension) 74) Pinocytosis and potocytosis are types of A) endocytosis. B) exocytosis. C) phagocytosis. D) endocytosis and exocytosis. E) exocytosis and phagocytosis.

: A Section Title: Vesicular Transport Learning Outcome: 5.5

: Level II: Reviewing Concepts (Bloom's Taxonomy: Application) 83) Cations will ________ each other. A) attract B) repel C) not react with

: B Section Title: Diffusion Learning Outcome: 5.9

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge) 71) A cell membrane that is selectively permeable A) randomly chooses which substances will pass through. B) can change which substances pass through by changing its lipid and protein content. C) is impermeable to all substances but water. D) will only allow substances in or out if their concentration in the cell is above or below a certain point.

: B Section Title: Transport Processes Learning Outcome: 5.5

: Level II: Reviewing Concepts (Bloom's Taxonomy: Comprehension) 75) Sodium ions are more concentrated in the extracellular fluid than in the intracellular fluid. This is an example of A) electrical disequilibrium. B) osmotic equilibrium. C) chemical disequilibrium. D) failed homeostasis.

: C Section Title: Osmosis and Tonicity Learning Outcome: 5.1

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension) 65) Which of the following is a unique characteristic of glucose as a solute in biological systems? A) It enters the interstitial fluid before going into the cell. B) It is freely penetrating and can pass in and out of the cells at any time. C) 100% of it is absorbed into the cell from the extracellular fluid. D) It is converted into dextrose inside the cell.

: C Section Title: Protein-Mediated Transport Learning Outcome: 5.5

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge) Match the terms to changes presented, assuming a resting membrane potential of -70 mV. Answers may be used once, more than once, or not at all. A. electrical polarization B. hyperpolarization C. depolarization D. repolarization E. more than one of the answers 46) to +30 mV from resting potential

: C Section Title: The Resting Membrane Potential Learning Outcome: 5.11

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension) 4) Bulk flow is fluid flow as a result of a(n) ________ gradient. A) concentration B) electrical C) pressure D) Two of the answers are correct. E) None of the answers are correct.

: C Section Title: Transport Processes Learning Outcome: 5.5

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension) A. resting membrane potential B. hyperpolarization C. depolarization D. repolarization E. more than one of the answers 50) K+ leaves the cell

: E Section Title: The Resting Membrane Potential Learning Outcome: 5.11

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge) 59) The three types of gated channels are ________, ________, and ________.

: chemically gated channels, voltage-gated channels, mechanically gated channels Section Title: Protein-Mediated Transport Learning Outcome: 5.7

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge) 67) The walls of the ________ separate the two extracellular fluid compartments.

: circulatory system Section Title: Osmosis and Tonicity Learning Outcome: 5.1

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge) 62) A pump that helps maintain an electrical gradient, such as the Na+-K+-ATPase is a(n) ________ pump.

: electrogenic Section Title: Protein-Mediated Transport Learning Outcome: 5.7

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge) 54) The membrane proteins that catalyze reactions that take place on the external or internal surface of the cell are ________.

: enzymes Section Title: Protein-Mediated Transport Learning Outcome: 5.7

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge) 53) This type of membrane protein extends all the way through the cell membrane into both the extra- and intracellular fluids: ________.

: membrane-spanning Section Title: Protein-Mediated Transport Learning Outcome: 5.7

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge) 58) Carrier proteins operating at their maximum rate are said to be ________.

: saturated Section Title: Protein-Mediated Transport Learning Outcome: 5.9

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge) 56) The membrane proteins that provide for support of the cell membrane and allow for cells to connect to each other are ________.

: structural proteins Section Title: Protein-Mediated Transport Learning Outcome: 5.7

Human Physiology: An Integrated Approach, 6e (Silverthorn) Chapter 5 Membrane Dynamics 1) Which body fluid compartment contains high levels of K+, large anions, and proteins? A) plasma only B) interstitial fluid only C) intracellular fluid only D) both plasma and intracellular fluid E) both plasma and interstitial fluid

Intracellular fluid only

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension) 15) Which of the following statements about the resting membrane potential is TRUE? A) It is normally equal to zero volts. B) The inside of the membrane is positively charged compared to the outside. C) It results, in part, from the concentration gradients for Na+ and K+. D) It is due in part to the presence of extracellular proteins.

It results, in part, from the concentration gradients for Na+ and K+.

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension) 14) Which of the following statements about the Na+/K+ pump is FALSE? A) It transports Na+ out of the cell and K+ into the cell. B) It is present in neurons. C) Its activity requires the expenditure of metabolic (cellular) energy. D) It transports Na+ and K+ in a 1:1 ratio.

It transports Na+ and K+ in a 1:1 ratio.

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension) 21) The ion that plays a key role in initiating electrical signals in neurons is A) K+. B) Na+. C) Cl-. D) Ca2+.

Na+

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension) Match the transport process to its description. A. active transport B. passive transport 32) the movement of molecules via proteins embedded in the cell membrane; requires ATP

active transport

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge) A. transfer signals from the extracellular environment to the cytoplasm of the cell B. form cell-to-cell connections C. bind to molecules to facilitate entry to or exit from the cell D. ligands bind to these proteins and are changed by the protein 30) transporters

bind to molecules to facilitate entry to or exit from the cell

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension) Match the transport process to its description. A. simple diffusion B. facilitated diffusion C. both D. neither 35) the movement of molecules from an area of high concentration to an area of low concentration

both simple diffusion - substance passes through a membrane without the aid of an intermediary such as a integral membrane protein

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge) 2) Which body fluid compartment contains higher levels of Na+, Cl-, and HCO3-? A) plasma only B) interstitial fluid only C) intracellular fluid only D) both plasma and intracellular fluid E) both plasma and interstitial fluid

both plasma and interstitial fluid

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge) 19) Caveolae and clathrin-coated pits are both used in A) endocytosis. B) exocytosis. C) phagocytosis. D) All of the answers are correct. E) None of the answers are correct.

endocytosis.

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge) 3) All of the following are types of mediated transport except one. Identify the exception. A) facilitated diffusion B) primary active transport C) simple diffusion D) secondary active transport

simple diffusion

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension) 16) Voltage-gated (voltage-dependent) channels and antiport carriers are both types of A) structural proteins. B) enzymes. C) transporters. D) receptors.

transporters

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension) 17) The resting membrane potential in a typical nerve cell is approximately A) +70 mV. B) -70 mV. C) +35 mV. D) -35 mV. E) 0 mV.

-70 mV.

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge) 60) Membrane protein pores that can be opened and closed are called ________ channels.

: gated (regulated) Section Title: Protein-Mediated Transport Learning Outcome: 5.7

: Level II: Reviewing Concepts (Bloom's Taxonomy: Comprehension) 80) Substances that readily dissolve in water and do not readily dissolve in lipids are A) hydrophobic and lipophobic. B) hydrophilic and lipophobic. C) hydrophobic and lipophilic. D) hydrophilic and lipophilic.

: B Section Title: Osmosis and Tonicity Learning Outcome: 5.5

: Level II: Reviewing Concepts (Bloom's Taxonomy: Application) 117) If a 10% sucrose solution is separated from a 20% sucrose solution by a membrane impermeable to sucrose, in which direction will net movement of water occur? A) from the 10% sucrose solution to the 20% sucrose solution only B) from the 20% sucrose solution to the 10% sucrose solution only C) There will be no net movement of water in this case. D) from the 10% sucrose solution to the 20% sucrose solution and from the 20% sucrose solution to the 10% sucrose solution E) None of the answers are correct.

: A Section Title: Diffusion Learning Outcome: 5.4

: Level III: Problem Solving (Bloom's Taxonomy: Application) 118) If a 10% sucrose solution is separated from a 20% sucrose solution by a membrane permeable to sucrose, in which direction will net diffusion of sucrose take place? A) from the 10% sucrose solution to the 20% sucrose solution B) from the 20% sucrose solution to the 10% sucrose solution C) There will be no diffusion in this case. D) from the 10% sucrose solution to the 20% sucrose solution and from the 20% sucrose solution E) neither from the 10% sucrose solution to the 20% sucrose solution nor from the 20% sucrose solution to the 10% sucrose solution

: B Section Title: Diffusion Learning Outcome: 5.4

: Level II: Reviewing Concepts (Bloom's Taxonomy: Comprehension) 82) A cell that is permeable to Solute X is placed into solution containing a higher concentration of X. Diffusion occurs until equilibrium is attained. At this time, A) there is no further movement of Solute X across the membrane. B) there is no further change in concentration of Solute X. C) Both of the statements are correct. D) Neither of the statements is correct.

: B Section Title: Diffusion Learning Outcome: 5.6

: Level II: Reviewing Concepts (Bloom's Taxonomy: Comprehension) 72) Fick's law of diffusion states that the rate of diffusion across a membrane is A) proportional to surface area and membrane thickness, but inversely proportional to concentration gradient. B) proportional to concentration gradient, surface area, and membrane permeability. C) proportional to membrane permeability, but inversely proportional to concentration gradient and surface area. D) proportional to membrane thickness and surface area.

: B Section Title: Diffusion Learning Outcome: 5.6

: Level II: Reviewing Concepts (Bloom's Taxonomy: Comprehension) 84) Anions will ________ each other. A) attract B) repel C) not react with

: B Section Title: Diffusion Learning Outcome: 5.9

: Level II: Reviewing Concepts (Bloom's Taxonomy: Comprehension) 116) When you eat a large meal and your body absorbs a lot of glucose and that makes its way to the interstitial fluid before going into the cell. 100% of the glucose should be absorbed into the cell from the interstitial fluid. Why does nearly all of the glucose enter the cell, rather than only half of it? A) It is moved by active transport. B) It is modified by the cell, so there is still more glucose on the outside of the cell than inside it. C) Insulin forces glucose into the cell against a concentration gradient. D) The cells make ATP so fast, they use up all the glucose as soon as it enters the cell.

: B Section Title: Integrated Membrane Processes: Insulin Secretion Learning Outcome: 5.14

: Level II: Reviewing Concepts (Bloom's Taxonomy: Comprehension) 79) Water will always move from ________ areas to ________ areas, if there are no impermeable barriers. A) hyperosmotic, hyposmotic B) hyposmotic, hyperosmotic C) isosmotic, hyposmotic D) hyperosmotic, isosmotic

: B Section Title: Osmosis and Tonicity Learning Outcome: 5.4

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension) A. resting membrane potential B. hyperpolarization C. depolarization D. repolarization E. more than one of the answers 51) Cl- enters the cell

: B Section Title: The Resting Membrane Potential Learning Outcome: 5.11

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge) Match the terms to changes presented, assuming a resting membrane potential of -70 mV. Answers may be used once, more than once, or not at all. A. electrical polarization B. hyperpolarization C. depolarization D. repolarization E. more than one of the answers 45) to -90 mV from resting potential

: B Section Title: The Resting Membrane Potential Learning Outcome: 5.11

: Level II: Reviewing Concepts (Bloom's Taxonomy: Comprehension) 77) Which property of diffusion best helps explain the necessity of the circulatory system in multicellular organisms? A) Molecules move from an area of higher concentration to an area of lower concentration. B) Diffusion can take place in an open system or across a partition that separates two systems. C) Diffusion is rapid over short distances but much slower over long distances. D) Diffusion rate is inversely related to molecule size.

: C Section Title: Diffusion Learning Outcome: 5.6

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension) A. resting membrane potential B. hyperpolarization C. depolarization D. repolarization E. more than one of the answers 52) membrane potential is 0 mV

: C Section Title: The Resting Membrane Potential Learning Outcome: 5.11

: Level II: Reviewing Concepts (Bloom's Taxonomy: Comprehension) 78) Facilitated diffusion and active transport differ in that A) facilitated diffusion uses cell membrane proteins to move substances, whereas active transport does not. B) facilitated diffusion uses a substrate to bind to a protein carrier, whereas active transport does not. C) ATP is necessary for active transport, but not for facilitated diffusion. D) facilitated diffusion moves water across the cell membrane, whereas active transport does not. E) potential energy is required for active transport but not for facilitated diffusion.

: C Section Title: Transport Processes Learning Outcome: 5.5

: Level II: Reviewing Concepts (Bloom's Taxonomy: Comprehension) 73) Which of the following would increase the rate of diffusion across a cell membrane? A) a decrease in the surface area of the membrane B) a decrease in the concentration gradient C) a decrease in membrane permeability D) a decrease in membrane thickness

: D Section Title: Diffusion Learning Outcome: 5.6

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge) Match the terms to changes presented, assuming a resting membrane potential of -70 mV. Answers may be used once, more than once, or not at all. A. electrical polarization B. hyperpolarization C. depolarization D. repolarization E. more than one of the answers 44) to -70 mV from -50 mV

: D Section Title: The Resting Membrane Potential Learning Outcome: 5.11

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge) Match the terms to changes presented, assuming a resting membrane potential of -70 mV. Answers may be used once, more than once, or not at all. A. electrical polarization B. hyperpolarization C. depolarization D. repolarization E. more than one of the answers 47) to -70 mV from -90 mV

: D Section Title: The Resting Membrane Potential Learning Outcome: 5.11

: Level II: Reviewing Concepts (Bloom's Taxonomy: Comprehension) 81) Which of the following molecules can move across the phospholipid bilayer by simple diffusion? A) lipids B) steroids C) water D) lipids and water E) All of the answers are correct.

: E Section Title: Diffusion Learning Outcome: 5.5

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension) 63) Channel proteins that allow water to pass are called ________.

: aquaporins Section Title: Protein-Mediated Transport Learning Outcome: 5.7

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge) 57) The membrane proteins that change shape and bind with specific molecules to transport them across the cell membrane are ________.

: carrier proteins Section Title: Protein-Mediated Transport Learning Outcome: 5.7

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension) 64) Membrane protein pores that are essentially always open are called ________ or ________ channels.

: open, leak (either order) Section Title: Protein-Mediated Transport Learning Outcome: 5.7

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension) 66) The two extracellular compartments in the body are ________ and ________.

: plasma, interstitial fluid Section Title: Osmosis and Tonicity Learning Outcome: 5.1

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge) 55) The membrane proteins that bind to a ligand and act in the body's chemical signaling system are ________.

: receptors Section Title: Protein-Mediated Transport Learning Outcome: 5.7

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension) 69) At rest, nerve cells have an unequal distribution of ions on either side of the cell membrane, producing the ________.

: resting membrane potential Section Title: The Resting Membrane Potential Learning Outcome: 5.11

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge) 68) The ability of a carrier molecule to transport only one specific molecule or a group of closely related molecules is called ________.

: specificity Section Title: Transport Processes Learning Outcome: 5.5

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge) 7) The term cellular (metabolic) energy indicates any biological process requiring A) energy in any form. B) ATP. C) thermal energy. D) chemical energy. E) thermal energy and chemical energy.

ATP

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension) Match the terms to changes presented, assuming a resting membrane potential of -70 mV. Answers may be used once, more than once, or not at all. A. electrical polarization B. hyperpolarization C. depolarization D. repolarization E. more than one of the answers 43) to -50 mV from resting potential

Answer: C Section Title: The Resting Membrane Potential Learning Outcome: 5.11

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge) Match the potential or potential change with the causative circumstances. Assume ion movements are net movements. s may be used more than once or not at all. A. resting membrane potential B. hyperpolarization C. depolarization D. repolarization E. more than one of the answers 49) Na+ enters the cell

Answer: C Section Title: The Resting Membrane Potential Learning Outcome: 5.11

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension) 24) Which of the following is NOT true of diffusion in the human body? A) Diffusion occurs faster at higher temperatures. B) Smaller molecules take longer to diffuse than larger ones. C) Net movement of molecules occurs until the osmolarity is equal. D) Diffusion is rapid over short distances and slower over longer distances.

Smaller molecules take longer to diffuse than larger ones.

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge) 9) Saturation occurs when A) molecules are moved by the use of vesicles. B) the energy required to move molecules results from a high-energy bond. C) a group of carrier proteins is operating at its maximum rate. D) a preference of a carrier protein for a substance is demonstrated based on the differing affinities of the carrier for the substrates. E) a carrier molecule has the ability to transport only one molecule or a group of closely related molecules.

a group of carrier proteins is operating at its maximum rate.

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension) Match the type of transport with its description. A. secretion B. paracellular transport C. transcellular transport D. absorption 40) from an organ's lumen to the extracellular fluid

absorption

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension) 25) Gated channels for sodium ions may include A) mechanical gates, which respond to pressure. B) chemical gates, which respond to ligands. C) voltage gates, which respond to electrical signals. D) All of the answers are correct. E) None of the answers are correct.

all of the answers are correct

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge) 10) The means by which a cell transports large molecules out of the cell is called A) phagocytosis. B) endocytosis. C) exocytosis. D) diffusion. E) active transport.

exocytosis.

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge) Match the transport process to its description. A. simple diffusion B. facilitated diffusion C. both D. neither 37) a form of mediated transport

facilitated transport

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension) Match the membrane protein with its function. A. transfer signals from the extracellular environment to the cytoplasm of the cell B. form cell-to-cell connections C. bind to molecules to facilitate entry to or exit from the cell D. ligands bind to these proteins and are changed by the protein 27) structural proteins

form cell-to-cell connections

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge) 13) Hyposmotic solutions A) have higher concentrations of solutes than hyperosmotic solutions. B) have lower concentrations of solutes than other hyposmotic solutions. C) have the same concentration of solutes as hyperosmotic solutions. D) have lower concentrations of solutes than hyperosmotic solutions. E) None of the answers are correct.

have lower concentrations of solutes than hyperosmotic solutions.

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge) Match the membrane protein with its function. A. transfer signals from the extracellular environment to the cytoplasm of the cell B. form cell-to-cell connections C. bind to molecules to facilitate entry to or exit from the cell D. ligands bind to these proteins and are changed by the protein 28) enzymes

ligands bind to these proteins and are changed by the protein

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension) 6) Permeability is a property of A) membranes. B) ions. C) solutes. D) solvents. E) proteins.

membranes

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension) 12) In an epithelium, the apical membrane is also known as the ________ membrane. A) basolateral B) mucosal C) serosal D) basement E) nictitating

mucosal

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge) Match the transport process to its description. A. simple diffusion B. facilitated diffusion C. both D. neither 36) the use of ATP to move molecules

neither

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension) 23) Passive transport refers to a process that requires A) no energy at all. B) no cellular energy. C) no pressure gradient. D) no concentration gradient. E) no electrical gradient.

no cellular energy

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension) 26) When a neuron changes its ion permeability from the resting state, A) a variety of gated ion channels may open or close. B) Na+ channels may open, allowing Na+ to enter the cell. C) K+ channels must open, allowing K+ to enter the cell. D) only a variety of gated ion channels may open or close and Na+ channels may open, allowing Na+ to enter the cell. E) a variety of gated ion channels may open or close, Na+ channels may open, allowing Na+ to enter the cell, and K+ channels must open, allowing K+ to enter the cell.

only a variety of gated ion channels may open or close and Na+ channels may open, allowing Na+ to enter the cell.

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension) 20) As the charge on the membrane of a typical neuron approaches 0 from -70 mV, the cell is A) only repolarizing. B) only hyperpolarizing. C) only depolarizing. D) only becoming more difficult to stimulate. E) hyperpolarizing and becoming more difficult to stimulate

only depolarizing.

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge) 11) Which of the following is a way for solutes in an aqueous solution to move from an area of high solute concentration to an area of low solute concentration? A) only facilitated diffusion B) only osmosis C) only active transport D) both facilitated diffusion and osmosis E) None of the answers are correct.

only facilitated diffusion

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension) Match the type of transport with its description. A. secretion B. paracellular transport C. transcellular transport D. absorption 39) between adjacent cells

paracellular transport

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge) 8) What are the two extracellular fluid compartments in the body? A) intracellular and plasma B) plasma and interstitial C) interstitial and intracellular D) plasma and the fluid portion of the blood E) None of the answers are correct.

plasma and interstitial

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge) 22) Which of the following is NOT involved in creating the resting potential of a neuron? A) diffusion of potassium ions out of the cell B) diffusion of sodium ions into the cell C) resting membrane permeability for sodium ions greater than potassium ions D) resting membrane permeability for potassium ions greater than sodium ions

resting membrane permeability for sodium ions greater than potassium ions

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension) Match the type of transport with its description. A. secretion B. paracellular transport C. transcellular transport D. absorption 42) movement from the extracellular fluid into the lumen of an organ

secretion

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension) 5) Water is a polar molecule, yet it easily moves through the nonpolar portions of cell membranes. Which transport process is responsible? A) facilitated diffusion B) simple diffusion C) uniport D) symport E) antiport

simple diffusion

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension) Match the type of transport with its description. A. secretion B. paracellular transport C. transcellular transport D. absorption 41) in one side of a cell and out the other

transcellular transport

: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge) A. transfer signals from the extracellular environment to the cytoplasm of the cell B. form cell-to-cell connections C. bind to molecules to facilitate entry to or exit from the cell D. ligands bind to these proteins and are changed by the protein 29) receptors

transfer signals from the extracellular environment to the cytoplasm of the cell


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