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Physiology Pearls > Cell physiology > Flashcards

Cell physiology Flashcards

1
Q

power house of the cell

A

mitochondria

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2
Q

cell physio: protein synthesis

A

RER, free floating ribosomes

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3
Q

cell physio: synthesis of lipids contains oxidases catalases for detoxification

A

SER

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4
Q

cell physio: contains lysozymes, lysoferritin and acid hydrolase

A

lysosome

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5
Q

cell physio: only substance modified in the RER not in the Golgi?

A

collagen

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6
Q

cell physio: motor protein causing transport from the cell body to the neural fibril

A

kinesin

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7
Q

cell physio: whip like movement on the cell surface found in the respiratory airways and fallopian tubes

A

ciliary movement

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8
Q

cell physio: what is the common component of the protoplasm?

A

water

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9
Q

cell physio: what is the common component of the cell membrane?

A

protein

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10
Q

cell physio: what is the most important component of the cell membrane?

A

cholesterol

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11
Q

the cell membrane is permeable to non-polar molecules true or false?

A

true

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12
Q

Junctional complexes: disk-shaped for firm intercellular adhesion eg epithelium

A

macula adherens (desmosomes)

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13
Q

Junctional complexes: for communication eg cardiac and smooth muscle

A

gap junctions

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14
Q

Junctional complexes: ring shaped increases surface area contact

A

zonula adherens

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15
Q

Junctional complexes: reticular either “tight” or “leaky”

A

zonula occludens (tight junctions)

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16
Q

functional unit of gap junctions?

A

connexons

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17
Q

movement of substance in both apical side and basolateral side?

A

transcellular transport

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18
Q

movement of substance through tight junctions

A

paracellular transport

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19
Q

T or F: the ff are correctly matched: clathrin:endocytosis & SNARE protein: exocytosis

A

true

20
Q

lets discuss water transport. what’s the most common compound in your body?

A

water

21
Q

whats the most common protein in your body?

A

collagen

22
Q

what’s the most common amino acid?

A

glycine

23
Q

which of the ff has a reflection coefficient closer to one? albumin or urea?

A

albumin

24
Q

Transport: passive downhill non-carrier mediated

A

simple diffusion

25
Q

Transport: passive downhill carrier-mediated

A

facilitated diffusoin

26
Q

Transport: active uphill carrier mediated uses ATP?

A

primary active trasport

27
Q

Transport: active uphill carrier mediated uses Na Gradient

A

Secondary active transport

28
Q

Transport: gases alcohol steroid hormones

A

simple diffusion

29
Q

Transport: Na-K-ATPase pump proton pump

A

primary active transport

30
Q

Transport: SGLT-1 SGLT-2 Na-K-2Cl

A

Secondary active transport

31
Q

Transport: GLUT-1,2,3,4,5

A

Facilitated diffusion

32
Q

Stereospecificity, saturation, and Competition are Hallmarks of carrier or non-carrier mediated transport?

A

Carrier mediated transport

33
Q

T or F: ca-ATpase pump in the cell membrane: PMCA

Ca-ATPase in the SR & ER: SERCA

A

True

34
Q

osmoles per liter of water: osmolaRITY or osmolaLITy?

A

OsmolaRITY

35
Q

normal osmolarity of both ECF and ICF?

A

300 mOsm/L

36
Q

a RBC has an osmlarity of 300 mosm/L what will happen to the RBC if its placed in a solution of:

  1. 300 mOsm/L sucrose
  2. 300 mOsm/L urea
A

no change

swell

37
Q

activates G-proteins?: Guanine Necleotide Exchange (GEF’s) GTPase-accelerating proteins GAPS, regulation of protein signaling (RGS protein?)

A

GEF’s

38
Q

Normal values: blood pressure MAP

A

90mmHg

39
Q

Normal values: arterial Blood pH

A

7.4

40
Q

Normal values: glucose

A

90 mg/dL

41
Q

Normal values: serum Na

A

140 mM/L

42
Q

Normal values: serum K

A

4 nM/L

43
Q

Normal values: serum Ca

A

2.5 mM/L

44
Q

Normal values: GFR

A

125 Ml/min

45
Q

Normal values: blood volume

A

5 liters

46
Q

Normal values: Lung volume

A

6 liters

Physiology Pearls (4 decks)

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