termodinamika II
Presentation
•
Biology
•
University
•
Practice Problem
•
Medium
Nurfadilah Nurfadilah
Used 1+ times
FREE Resource
21 Slides • 21 Questions
1
2
3
Multiple Choice
Which of the following best describes the role of dynamic fluids in the human circulatory system?
They help distribute nutrients and oxygen throughout the body.
They only transport waste products.
They are responsible for producing energy in cells.
They do not play any significant role.
4
Open Ended
Why is understanding dynamic fluids important for biological systems such as the human body and plants?
5
6
Multiple Choice
Which of the following is a characteristic of static fluids?
There is movement and flow rate
Pressure depends only on depth
Pressure, speed, and height affect each other
Example: blood in arteries
7
8
Open Ended
Explain the difference between laminar and turbulent flow in biological systems.
9
10
Multiple Choice
Which variables are needed to calculate flow rate (Q) using the formula Q = A × v?
Area and velocity
Volume and time
Pressure and density
Height and gravity
11
12
Fill in the Blanks
When the cross-sectional area of a vessel decreases, the speed of fluid flow
Type answer...
13
14
Multiple Choice
Based on the calculation example, what is the speed of blood when it enters an arteriole with a diameter of 0.5 cm, given an initial speed of 30 cm/s in the aorta with a diameter of 2 cm?
30 cm/s
60 cm/s
480 cm/s
15 cm/s
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16
Open Ended
Describe how Bernoulli's principle relates pressure, velocity, and height in a flowing fluid.
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18
Multiple Choice
Which of the following best explains why blood pressure decreases in an area of a blood vessel that widens (aneurysm) according to Bernoulli's principle?
Because velocity increases and pressure decreases
Because velocity decreases and pressure increases
Because resistance decreases and pressure increases
Because velocity and pressure both increase
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20
Multiple Select
Which of the following statements about blood flow in the cardiovascular system are correct according to Bernoulli's principle?
Blood velocity is highest in the ventricles
Pressure is highest in the aorta
Velocity increases in smaller arterioles
Pressure is lowest in capillaries
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22
Fill in the Blanks
According to the Bernoulli calculation, when blood velocity doubles, the pressure drops by
Type answer...
23
24
Multiple Choice
Which of the following fluids would require the most energy for a pump to move through a tube of the same size?
Air
Plasma darah
Madu
Air dengan sedikit garam
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26
Open Ended
Explain how changes in the radius of a blood vessel affect blood flow and resistance according to Poiseuille's law.
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28
Multiple Choice
What happens to blood pressure when vasodilation occurs in blood vessels?
Blood pressure increases significantly
Blood pressure decreases significantly
Blood pressure remains unchanged
Blood pressure fluctuates randomly
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30
Multiple Choice
Which of the following mechanisms is NOT involved in the upward transport of water in plants?
Transpiration from leaves
Cohesion-adhesion of water molecules
Root pressure
Photosynthesis in leaves
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32
Open Ended
Explain how the principle of Bernoulli is applied in at least two different clinical applications mentioned in the slides.
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34
Multiple Select
Which of the following statements about Reynolds number and flow type is/are correct?
Laminar flow occurs when Re < 2000
Turbulent flow is more efficient than laminar flow
Turbulent flow is associated with higher resistance
Laminar flow is silent and not heard with a stethoscope
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36
Fill in the Blanks
The phenomenon where blood viscosity decreases in very small vessels due to red blood cells moving to the center is called
Type answer...
37
38
Multiple Choice
According to Poiseuille's law, which factor has the greatest effect on the flow rate (Q) in a blood vessel?
Viscosity of the fluid
Length of the vessel
Radius of the vessel
Pressure difference
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40
Open Ended
Apa yang terjadi pada aliran darah saat seseorang mengalami aterosklerosis? Analisis menggunakan persamaan kontinuitas dan hukum Poiseuille.
41
Open Ended
Reflecting on what you learned today, how do you think the principles of dynamic fluids apply to both human and plant biology?
42
Happy Weekend!
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