51. Which of the following would be the best example of an
environment(s) that would contribute to a client’s increased
confusion: a) Poor lighting, and excessive noise b) Unfamiliar
surroundings such as furniture and pictures c) Quiet music playing
d) Both a and b
a) Poor lighting, and excessive noise
b) Unfamiliar surroundings such as furniture and pictures
c) Quiet music playing
d) Both a and b
52. Persons with acute confusion should be:
a) Restrained or confined
b) Given...
Of the following, which would be the best method to analyze a
mixture of proteins with an average moecular weight of 15, 000
grams per mole?
UV-visible spectroscopy
gas chromatography
high performance liquid chromatography
potentiometry with ion-selective electrodes
gravimetry
Which of the following would be the best fiscal policy to put
the economy on its long run equilibrium?
Marginal Propensity to save
Full employment GDP
Current GDP
.2
25 Billion
15 Billion
Increase of 2 billion in government spending
Increase of 10 Billion in government spending
Increase of 4 billion in tax breaks
Increase of 5 billion in government spending
The government decides to increase government spending in an
attempt to help move the economy into its long run...
select the best answer to the question and explain
why.
which of these would NOT contribute to membrane bilayer
asymmetry?
A. Flippase-mediated transverse motion of lipids
B. Biosynthesis and insertion of new lipids
C. Longitudinal movement of phosphatidylcholine from outer to inner
leaflet
Which of the following buffer systems would be the best choice
to create a buffer with pH = 9.00?
HF/KF, HNO2/KNO2, NH3/NH4Cl, HClO/KClO
Answer this:
For the best system, calculate the ratio of the masses of the
buffer components required to make the buffer.
m(NH3)/m(NH4Cl) = ?
Express your answer using two significant figures.
Which of the following buffer systems would be the best choice
to create a buffer with pH = 7.3? a)HC2H3O2/KC2H3O2 b)HClO2/KClO2
c)NH3/NH4Cl d)HClO/KClO
Which primate would be the best for medical studies of drugs to
be used on humans? Why? Does this mean that primates should be used
more extensively as subjects for drug testing?
1) Which of the following would be the best example of a public
good?
a) Clean water at the public lake.
b) A community park.
c) Snowplowing the streets.
d) Public school.
2) Which of the following is the best example of a public good
with exclusion?
a) A fireworks display that can be seen miles away.
b) Fire protection services offered by the city.
c) Satellite radio service.
d) A public lake.
3) Which of the following best represents...
A. Which of the following buffer systems would be the best
choice to create a buffer with pH = 9.05?
HF/KF
HNO2/KNO2
NH3/NH4Cl (correct answer)
HClO/KClO
B. For the best system, calculate the ratio of the masses of the
buffer components required to make the buffer. Express your answer
using two significant figures.
m(NH3)/m(NH4Cl) =
Which of the following buffers would be the best choice for a
desired pH of 3.0:
a. Acetic acid (pKa=4.74)
b. HF (pKa= 3.14)
c. Carbonic acid (pKa=6.37)
d. Propanoic acid (pKa=4.85)
e. Not enough information is given
A buffer (1L total volume) contains 0.15 moles ammonia and 0.25
moles ammonium chloride (pKa=9.26). What is the pH of that buffer
solution? What is the pH after 0.0025 moles of KOH are added?
Which of the...