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WorksheetsEC8073_ME_Weekly_Quiz_III_(24.08.2020)
Total questions: 20
Worksheet time: 20mins
Name
Class
Date
1.
1.Acidity of the solution is related to the percentage of _______________________ ion concentration in the solution
a)
H+
b)
OH-
c)
Na+
d)
K+
2.
2. pH=__________________________________
a)
−log base10 [H+]
b)
log base10 [H+]
c)
−log base2 [H+]
d)
log base10 [OH-]
3.
3.If pH<7, for a solution, it is _____________ in nature.
a)
neutral
b)
acidic
c)
basic
d)
flammable
4.
4.The body fluids and blood of living beings are slightly____________ in nature.
a)
neutral
b)
acidic
c)
basic
d)
flammable
5.
5.If the pH value exceeds 7.45, the body is considered to be in a state of Alkalosis and the pH value below 7.45 indicates it is Acidosis.<br /> TRUE or FALSE?
a)
true
b)
false
6.
6.To measure the pH of the blood and other body fluids directly , a special type of electrodes are used which are known as ____________________.<br />
a)
Clarkes electrodes
b)
Severinghous electrodes
c)
pH electrodes
d)
Hydronium electrodes
7.
7.The glass pH electrodes are suitable only to measure pH values around _________________
a)
7
b)
1
c)
14
d)
5
8.
8.The pH meter contains a _________________absorbs water readily and provides best pH value
a)
platinum wire
b)
Ag/Agcl Reference electrode
c)
Teflon Coating
d)
hydroscopic glass
9.
9._______________________ measurement is carried out through a setup known as Clarke’s electrode.<br />
a)
pO2
b)
pHCO3
c)
pCO2
d)
pH
10.
10.For ________________________ measurement a modified version of pH electrode is used, which is also known as Severinghous’ electrode
a)
pO2
b)
pHCO3
c)
pCO2
d)
pH
11.
11.In Severinghous electrode the membrane permeable to CO2 is made up of _____________ which is not permeable to other ions
a)
Timber
b)
Talc
c)
Teflon
d)
Titanium
12.
12.Absorbance or Optical density A=
a)
log(1/T)
b)
log(T)
c)
log(I1)
d)
log(I0)
13.
13."Absorbance of light of a specific wavelength is proportional to the Concentration of the substance and also to the length of the light path." -- The above thesis is known as _______________________
a)
Ohm's Law
b)
Faraday's Law
c)
Hawking's Principle
d)
Beer-Lambert's Law
14.
14.A __________________________ is used to analyze urine or blood in order to determine relative concentration of multiple substances such as potassium (K), sodium (Na), calcium (Ca) and lithium (Li).
a)
Flame photometer
b)
Spectro photometer
c)
Filter photometer
d)
Dark Photometer
15.
15. ________________________________ is the underlying principle of Electromagnetic bloodflow meter.
a)
Faraday's Law of EM induction
b)
Transit time property
c)
Doppler effect
d)
Thermal Convection
e)
Rate of Dilution/Radioactive decay
16.
16. ________________________________ is the underlying principle of Ultrasonic bloodflow meter.
a)
Faraday's Law of EM induction
b)
Transit time property/Doppler effect
c)
Thermal Convection
d)
Radioactive decay
e)
Rate of Dilution
17.
17. ________________________________ is the underlying principle of Indicator/Dye dilution method blood flow meter.
a)
Faraday's Law of EM induction
b)
Transit time property/Doppler effect
c)
Thermal Convection
d)
Radioactive decay
e)
Rate of Dilution
18.
18. ________________________________ is the underlying principle of radiography based blood flow meter.
a)
Faraday's Law of EM induction
b)
Transit time property/Doppler effect
c)
Thermal Convection
d)
Radioactive decay
e)
Rate of Dilution
19.
19._____________________________________ is defined as the amount of blood pumped out by each ventricle in one minute.
a)
Stroke volume
b)
Minute volume
c)
Cardiac index
d)
heart beart rate
20.
20. Minute Volume is the product of _______________ and heart rate.<br />
a)
stroke volume
b)
Systolic volume
c)
Cardiac index
d)
Pumping rate
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