Physical Properties of Water in Hydrotherapy

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What is the relationship between the specific heat of water and air?

Water has 25 times the specific heat of air.

Water has a lower specific heat than air.

Water has 4 times the specific heat of air. (correct)

Water and air have the same specific heat.

Which method of heat transfer involves direct contact with the source of heat?

Convection

Insulation

Conduction (correct)

Radiation

What principle states that when a body is immersed in a fluid, it experiences an upward thrust equal to the weight of the fluid displaced?

Archimedes' Principle (correct)

Pascal's Principle

Boyle's Law

Bernoulli's Principle

What advantage does buoyancy provide in exercising in water?

It provides support for the weight of the body during therapeutic activities. Signup and view all the answers

At what temperature is water most dense?

4°C Signup and view all the answers

How does the density of seawater compare to that of pure water?

Seawater is more dense than pure water. Signup and view all the answers

What determines whether an object will float or sink in a fluid?

The density of the object compared to that of the fluid Signup and view all the answers

What is the specific gravity of saltwater compared to pure water?

Saltwater has a higher specific gravity than pure water. Signup and view all the answers

What effect does water provide to the motion of a body in water?

Water provides resistance against the motion of a body. Signup and view all the answers

What factors increase resistance when moving in water?

Increasing speed of water towards the body Signup and view all the answers

What decreases resistance when moving in water?

Increasing speed of movement in water Signup and view all the answers

What is the advantage of water resistance mentioned in the text?

It provides a safe and effective strengthening and conditioning medium for patients Signup and view all the answers

What is the cause of resistance to movement through water, as discussed in the text?

Surface tension between water molecules Signup and view all the answers

What does Pascal's law state about hydrostatic pressure?

A fluid exerts equal pressure on all surfaces of a body at rest at a given depth Signup and view all the answers

What are the benefits of hydrostatic pressure for underwater exercising as mentioned in the text?

Facilitates cardiovascular function and promotes circulation Signup and view all the answers

How does hydrostatic pressure change according to body position in water, based on the information provided?

It increases with depth of immersion and varies with patient positioning Signup and view all the answers

What is the effect of non-immersion hydrotherapy techniques, according to the text?

They have less effect compared to other devices and immersion techniques due to lacking hydrostatic pressure Signup and view all the answers

What is the advantage of viscosity of water, as mentioned in the text?

Viscosity makes movement in water easier for weaker and smaller muscles Signup and view all the answers

Why does an insect land on the surface of the water, according to the information provided?

Due to the greater tendency of water molecules to adhere together at the surface Signup and view all the answers

How does increasing speed of motion or frontal area in contact with water affect resistance, based on the text?

It makes water a very effective environment for training Signup and view all the answers

What does viscosity of water refer to, based on the information provided?

The resistance to movement through water caused by friction between molecules Signup and view all the answers

How does hydrostatic pressure affect the immersed patient's body, according to Pascal's law?

The pressure increases in proportion to the depth of immersion Signup and view all the answers

What does surface tension refer to, as discussed in the text?

The force exerted between the surface molecules of the fluid Signup and view all the answers

What is the definition of hydrotherapy?

The application of water for the treatment of physical or psychological dysfunction Signup and view all the answers

What does the word 'hydrotherapy' mean in Greek?

Healing water Signup and view all the answers

Which immersion technique involves complete submersion of the body in water?

Whole body immersion Signup and view all the answers

What are the objectives of the lecture on physical properties of water?

To understand the different physical properties of water and how to use them in hydrotherapy Signup and view all the answers

Which Greek words make up the term 'hydrotherapy'?

Water and healing Signup and view all the answers

In hydrotherapy, what does non-immersion technique involve?

Spraying, bathing, or pouring water onto the body Signup and view all the answers

What is the main focus of using hydrotherapy?

To improve physical and psychological dysfunction Signup and view all the answers

Which type of immersion technique involves only specific parts of the body being submerged in water?

Partial body immersion Signup and view all the answers

What is the primary goal of hydrotherapy?

To aid in physical and psychological healing through water application Signup and view all the answers

What are the techniques involved in non-immersion hydrotherapy?