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Exams > Kaplan Exam #2 > Flashcards

Kaplan Exam #2 Flashcards

1
Q

beta particles are _____ while gamma particles are not _____

A

charged

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2
Q

what is a Geiger counter best for?

A

comparing the relative magnitudes of radioactivity between two nuclear waste depositories.

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3
Q

does the right or left ventricle generate more force?

A

right ventricle

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4
Q

is pressure greater in pulmonary or systemic circulation?

A

systemic

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5
Q

is flow rate greater in pulmonary or systemic circulation?

A

equal ==> connected in series so the flow (ie current) must be the same

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6
Q

decreasing pressure in the thoracic cavity by contracting the diaphragm not only allows air to flow in (inhale) but it also allows _____

A

veinous blood to flow into the right atrium

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7
Q

the most stable conjugate base stems from the most _____ acid

A

strongest (most acidic)

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8
Q

for anomers, up of the OH is ____ and down is _____ (naming)

A

beta

alpha

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9
Q

only ____ harmonics exist for closed pipes

A

odd

n = 1,3,5

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10
Q

how is entropy change estimated? what factors are taken into account?

A

number of moles and phase changes

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11
Q

do galvanic or electrolytic cells need a salt bridge?

A

galvanic cells

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12
Q

what makes something qualify as a reducing sugar?

A

contains hemiacetal or hemiketal groups

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13
Q

what does Benedict’s solution test for?

A

reducing sugar

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14
Q

does density always change when undergoing a phase change?

A

yes

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15
Q

what bonds does chymotrypsin preferentially cleave?

A

bonds next to large hydrophobic amino acids

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16
Q

is osmotic pressure dependent on number of molecules or charge?

A

number

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17
Q

presence next to electron withdrawing groups ____ acidity of an alpha hydrogen

A

increases

pulls electron density away

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18
Q

what helps protect the duodenum from the acidic product coming from the stomach?

A

the pancreas releases bicarbonate in its pancreatic juice which helps to neutralize the incoming acid.

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19
Q

compare facilitated diffusion and exocytosis in terms of the size/amount of molecules they move across a membrane.

A

exocytosis moves a lot more molecules across a membrane at once.

20
Q

what are concentrations of acid and CB or vice versa at the pka?

A

equal

21
Q

facilitated diffusion

A

still going down the concentration gradient, just need a pore.

22
Q

monosomy or trisomy is ____

A

a serious medical condition and the child will have major deficits.

23
Q

is monosomy or trisomy aneuploidy?

A

aneuploidy is a general gain or lack of chromosomes than normal.

24
Q

will excess glucose stores lead to more or less NADH

A

more, the ETC is slowed down because of the buildup of the proton gradient.

25
Q

the active site of an enzyme is considered the enzyme’s _____ structure

A

tertiary

26
Q

commensalism vs. mutualism

A

commensalism: one species benefits while the other is neither harmed nor hurt
mutualism: both species are benefited

27
Q

must gut bacterial flora hang out in the ____

A

cecum

28
Q

what are the steps of base repair?

A

base is removed by a restriction enzyme, replaced by a polymerase, and re-sealed by a ligase

29
Q

where are proteins that are destined for the cell membrane processed?

A

golgi apparatus

30
Q

what occurs to tidal volume when the body needs to bring in more air?

A

it increases

31
Q

describe why hemoglobin does not follow michaelis menten kinetics?

A
  1. hemoglobin has 4 different subunits each with its own active/binding site (MM only has one site)
  2. oxygen binds with cooperativity, when one oxygen binds, more are likely to bind.
32
Q

what is the most common symptom of a dissociative disorder?

A

loss of memory

33
Q

what is confabulation and what is it a common symptom for?

A

confabulation is the production of a distorted memory without the intention to deceive and it is a common example of korsakoff’s syndrome

34
Q

what is working memory involved in?

A

Working memory is involved in reasoning and comprehension. A breakdown in working memory prevents the brain from properly processing information which could result in drawing incorrect conclusions.

35
Q

behavioral therapists focus more on ____ than cognition

A

action

36
Q

discuss belief perseverance for an individual presented with data supporting both sides of an argument

A

will focus on the data that supports their own opinion which solidifies/strengthens this opinion.

37
Q

Systemic desensitization

A

the use of increasingly proximal stimuli to gradually reduce the fear response in an individual. Progressively more anxiety-provoking stimuli

38
Q

what is a synonym for manic-depressive disorder

A

bipolar disorder

39
Q

compare apparent movement, induced movement, movement aftereffect

A

 Apparent movement: an illusion of perceived movement across empty space
 Induced movement: perceived movement of one object due to the movement of another (Ex: sun behind the clouds)
 Movement aftereffect: the perception of motion of still objects when viewed after watching moving objects

40
Q

korte’s law

A

the perception of motion when presented with stationary lights that are lit up in succession.

41
Q

Inattentional blindness

A

failing to see visible objects when attention is directed elsewhere

42
Q

Adaptive value

A

behavior or traits that makes you more likely to have success in the environment.

43
Q

Psychodynamic theory

A

events of our childhood have a great influence on us when we are older. therapy: allowing one to express their emotions.

44
Q

catharsis

A

expressing pent up emotions

45
Q

Lamarckian inheritance

A

physical features that we use more during our lives grow and we pass them on to our offspring.
o Disproven by Darwin, but it is pretty representative of cultural evolution.

46
Q

Gate theory of pain

A

non-painful input closes the gates so that painful stimuli does not reach the brain.

47
Q

sexual dimorphism

A

the degree to which males and females of a species resemble each other. Lower sexual dimorphism means that they will be more similar.

Exams (8 decks)

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