HOMEOSTASIS
1. T/F regarding homeostasis
a) Disturbances in variables are detected by sensor.
b) Controller is responsible for calculating the error.
c) In negative feedback it facilitates the initial stimulus.
d) Efficient systems have a higher gain.
a) T
b) T
c) F – negative to initial stimulus
d) T
2. T/F regarding physiologic regulatory system
a) They are negative feed back systems.
b) The essential inputs of the controller are the set point and current value of the variable.
c) If the set point changes with time of the system is called a “ servomechanisms”.
a) T
b) T
c) T
3. Regarding a physiological regulatory system
a) Error is calculated by the controller
b) Efficient systems have a higher correction / error ratio
a) T
,b) T
4. A 25 year old person was admitted to the hospital after a road traffic accident. He has lost
blood. His systolic pressure was 90mmHg at the time of admission (normal systolic point is
120mmHg). Deviation of blood pressure from the set point would,
A) Be due to decreased volume in the intra vascular compartment
B) Larger in the absence of a regulatory system
C) Be detected by the sensors in the circulatory system
D) Blood pressure can be normal by positive feedback
E) Can be normal 100% by negative feedback
a) T
b) T
c) T
d) F
e) F
SI UNITS
1. Following are the base units in SI
a) Volt
b) Second
c) Newton
d) Ampere
e) Mole
a) F
b) T
,c) F
d) T
e) T
2. Following pre-fixes and there numerical magnitudes are T/F
a) Mega 103
b) Milli 10-3
c) Nano 10-3
d) Pico 10-12
e) Femto 10-15
a) T
b) T
c) F – 10-9
d) T
e) T
3. In which of these responses, the quantities and SI units are paired correctly
a) Force-joule
b) Temperature-degrees of Celsius
c) Concentration of substances-mole
d) Frequency-hertz
e) Pressure-Pascal
a) F - Newton
b) F - Kelvin
c) F – molm-3
, d) T
e) T
4. Regarding SI units
a) Candela is a base unit
b) SI unit of current is the ampere
c) The symbol for the SI unit of frequency is Hz
d) The prefix pico stands for 10
e) C is a base unit in SI
a) T
b) T
c) T
d) F – 10-12
e) F
5. T/F
a) The SI unit of is the Newton
b) The SI unit of pressure is P
c) The symbol of weight is kg
d) 9/g NaCl is 175mmol/l
a) T - force
b) F - Pa
c) F - N
d) F
1. T/F regarding homeostasis
a) Disturbances in variables are detected by sensor.
b) Controller is responsible for calculating the error.
c) In negative feedback it facilitates the initial stimulus.
d) Efficient systems have a higher gain.
a) T
b) T
c) F – negative to initial stimulus
d) T
2. T/F regarding physiologic regulatory system
a) They are negative feed back systems.
b) The essential inputs of the controller are the set point and current value of the variable.
c) If the set point changes with time of the system is called a “ servomechanisms”.
a) T
b) T
c) T
3. Regarding a physiological regulatory system
a) Error is calculated by the controller
b) Efficient systems have a higher correction / error ratio
a) T
,b) T
4. A 25 year old person was admitted to the hospital after a road traffic accident. He has lost
blood. His systolic pressure was 90mmHg at the time of admission (normal systolic point is
120mmHg). Deviation of blood pressure from the set point would,
A) Be due to decreased volume in the intra vascular compartment
B) Larger in the absence of a regulatory system
C) Be detected by the sensors in the circulatory system
D) Blood pressure can be normal by positive feedback
E) Can be normal 100% by negative feedback
a) T
b) T
c) T
d) F
e) F
SI UNITS
1. Following are the base units in SI
a) Volt
b) Second
c) Newton
d) Ampere
e) Mole
a) F
b) T
,c) F
d) T
e) T
2. Following pre-fixes and there numerical magnitudes are T/F
a) Mega 103
b) Milli 10-3
c) Nano 10-3
d) Pico 10-12
e) Femto 10-15
a) T
b) T
c) F – 10-9
d) T
e) T
3. In which of these responses, the quantities and SI units are paired correctly
a) Force-joule
b) Temperature-degrees of Celsius
c) Concentration of substances-mole
d) Frequency-hertz
e) Pressure-Pascal
a) F - Newton
b) F - Kelvin
c) F – molm-3
, d) T
e) T
4. Regarding SI units
a) Candela is a base unit
b) SI unit of current is the ampere
c) The symbol for the SI unit of frequency is Hz
d) The prefix pico stands for 10
e) C is a base unit in SI
a) T
b) T
c) T
d) F – 10-12
e) F
5. T/F
a) The SI unit of is the Newton
b) The SI unit of pressure is P
c) The symbol of weight is kg
d) 9/g NaCl is 175mmol/l
a) T - force
b) F - Pa
c) F - N
d) F
