CHAPTER 3 Flashcards

1
Q

smallest living functional unit

A

cell

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2
Q

three basic parts of a cell

A

plasma membrane, cytoplasm, nucleus

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3
Q

fluid outside the cell

A

extracellular material

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4
Q

made up of a phospholipid bilayer that controls what goes into and out of the cell

A

plasma (cell) membrane

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5
Q

___ ___ are part of the plasma membrane and their function is to bind cells together

A

cell junctions

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6
Q
  1. tight junctions
  2. desmosomes
  3. gap junctions
A

3 types of cell junctions

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7
Q

movement of molecules from an area of higher concentration to an area of lower concentration
(type of passive transport)

A

diffusion

type of passive transport

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8
Q

water particles move through a layer only certain molecules can pass through
(type of passive transport)

A

osmosis

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9
Q

large molecules that cannot cross are helped with carrier proteins
(type of passive transport)

A

facilitated diffusion

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10
Q

the ability of a solution to cause a cell to gain or lose water

A

tonicity

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11
Q

process in which a cell engulfs extracellular material through an inward folding of its plasma membrane (cytosis = referring to cells) (phagocytosis & pinocytosis)

endocytosis or exocytosis?

A

endocytosis

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12
Q

cellular “eating”
(type of endocytosis)

A

phagocytosis

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13
Q

cellular “drinking”
(type of endocytosis)

A

pinocytosis

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14
Q

process that moves large molecules and waste out of the cytoplasm and into the exterior of the cell

constitutive & regulated

endocytosis or exocytosis?

A

exocytosis

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15
Q

cells continuously release secretory materials
(type of exocytosis)

constitutive or regulated?

A

constitutive

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16
Q

cells store secretory materials and release them in response to a specific signal
(type of exocytosis)

constitutive or regulated?

A

regulated

17
Q

___ ___ can be used in IV fluids to increase intravascular volume, treat blood loss, dehydration, and other fluid loss (found in sports drinks)

A

isotonic solutions

18
Q

___ ___ can be administered to expand blood volume and elevate blood pressure (found in sea water, maple syrup, glucose solution, lemonade, orange juice, and alcohol)

hypertonic or hypotonic?

A

hypertonic solutions

19
Q

___ ___ can be used to treat hydroelectrolyte disturbances (found in salt water, glucose solutions, pure water, and plain tea)

hypertonic or hypotonic?

A

hypotonic solutions

20
Q

vesicle transport is a form of active transport and its processes include ___ & ___

A

endocytosis & exocytosis