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WorksheetsQUIZ HOMEOSTASIS, BODY FLUIDS, MEMBRANE TRANSPORT
Total questions: 15
Worksheet time: 8mins
Which one of the following functions is performed by K+/Na+ pump?
Allows osmosis of water directly
Creates negative potential inside cell
Increases the size of cells
Transports 2 K+ outside the cell
Transfers 3 Na+ inside the cell
Two liters of 0.9% NaCl is administered to a 14-year-old boy with moderate isotonic dehydration. What is the expected change in Intracellular fluid volume after this treatment?
Decreased by 0.5 liters
Decrease by 2 liters
Increase by 0.5 liters
Remains unchanged
Increase by 2 liters
In a control system, which one of the following variables obeys the command and performs the required function?
Center
Effector
Integrating center
Receptor
Stimulus
By which one of the following transport mechanisms, macromolecules are transported into the cell?
Co-transport
Exocytosis
Facilitated diffusion
Filtration
Pinocytosis
Which of the following is the most important body fluid that can be regulated directly through different regulatory mechanisms?
Interstitial
Intracellular
Lymph
Plasma
Trancellular
Red blood cells from a healthy adult male were placed in different solutions and observations were made after 10 minutes. In which of the following solutions cells have lysed completely?
0.3%
0.7%
0.9%
1.0%
1.2%
Which one of the following features is shared between simple and facilitated diffusion?
Consume energy
Follow concentration gradient
Require Adenosine triphosphate
Show saturation kinetics
Use specific carrier protein
Movement of glucose molecules through the luminal membrane into the intestinal cells is an example of which of the following transport mechanisms?
Co-transport with Na+
Counter transport with Ca2+
Endocytosis
Facilitated diffusion
Simple diffusion
A 22-year-old male weighs 50 kg. What would be the total amount of water present in his body?
15 liters
20 liters
25 liters
30 liters
35 liters
Which one of the following factors is inversely proportional to the rate of diffusion across the cell membrane?
Concentration gradient
Molecular size of particle
Permeability of membrane
Surface area of membrane
Temperature of solution
A 6-year-old girl suffering from severe vomiting and diarrhea is transferred to ER where she received intravenous fluid. Which of the following NaCl solution concentration leads to increase in the extracellular volume without change in the osmolarity?
0.33%
0.45%
0.7%
0.9%
1.0%
Which of the following chemical compositions is characteristic feature of plasma as compared to intracellular Fluid?
Higher concentration of potassium ions
Higher concentration of protein molecules
Higher concentration of sodium ions
Lower concentration of bicarbonate ions
Lower concentration of glucose molecules
The body temperature of an experimental animal was raised from 37C to 40C by passive heating. After some time when heating was stopped, the temperature dropped to 37.4C. Which one of the following mechanisms was responsible for this change?
Equilibrium
Feed forward
Negative feedback
Positive feedback
Steady state
Under which of the following conditions osmosis will occur between two compartments containing aqueous solution?
Different osmolarity with impermeable membrane
Different osmolarity with selectively permeable membrane
Equal osmolarity with permeable membrane
Equal osmolarity with impermeable membrane
Equal osmolarity with selectively permeable membrane
Which one of the following events takes place when a positive feedback system is stimulated in the body?
Response enhances the original stimulus
Response decreases the stimulus
Response has no effect on stimulus
Response occurs in anticipation of stimulus
Response reverses the original stimulus
