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Types of Tears Composition

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Questions and Answers

Which of the following is a component of naturally occurring tears?

Carbohydrates

Proteins (correct)

Minerals

Vitamins

What is the primary function of tears in the eye?

To remove dirt and debris from the eye

To provide lubrication for the eyelids

To maintain clear vision (correct)

To provide emotional expression

What is the primary cause of watering eyes (epiphora) in adults and older children?

Increased tear production

Allergic reaction

Blocked or narrowed tear ducts (correct)

Dry eye syndrome

What is the effect of chronic hypoxia (lack of oxygen) on the corneal epithelium?

Thickening of the epithelium Signup and view all the answers

Which type of tear is produced as a reflex response to an irritant or foreign object in the eye?

Reflex tears Signup and view all the answers

Where is the lacrimal gland located?

Above the outer eye Signup and view all the answers

Which of the following is NOT a cause of over-production of tears?

Regular blinking Signup and view all the answers

What is the role of tears in eye health?

All of the above Signup and view all the answers

Which of the following is a component of naturally occurring tears?

All of the above Signup and view all the answers

What is the term used for the tear ducts in the eyes?

Lacrimal ducts Signup and view all the answers

Which type of tears is produced in response to emotional stimuli?

Emotional tears Signup and view all the answers

What is the primary role of basal tears?

Protecting the cornea of the eye Signup and view all the answers

Which of the following best describes the difference between basal and reflex tears?

Reflex tears contain more antibodies to fight foreign chemicals Signup and view all the answers

What distinguishes emotional tears from the other types of tears?

They contain more proteins, specifically emotional or stress hormones Signup and view all the answers

What is the primary function of tears in the eye?

To protect the eye from foreign particles Signup and view all the answers

Which of the following components of tears are ionically bonded?

Sodium chloride (NaCl) and potassium chloride (KCl) Signup and view all the answers

Where are tears naturally produced in the eye?

The lacrimal or tear ducts Signup and view all the answers

Types of Tears Composition

Choose a study mode

Podcast

Questions and Answers

Which of the following is a component of naturally occurring tears?

What is the primary function of tears in the eye?

What is the primary cause of watering eyes (epiphora) in adults and older children?

What is the effect of chronic hypoxia (lack of oxygen) on the corneal epithelium?

Which type of tear is produced as a reflex response to an irritant or foreign object in the eye?

Where is the lacrimal gland located?

Which of the following is NOT a cause of over-production of tears?

What is the role of tears in eye health?

Which of the following is a component of naturally occurring tears?

What is the term used for the tear ducts in the eyes?

Which type of tears is produced in response to emotional stimuli?

What is the primary role of basal tears?

Which of the following best describes the difference between basal and reflex tears?

What distinguishes emotional tears from the other types of tears?

What is the primary function of tears in the eye?

Which of the following components of tears are ionically bonded?

Where are tears naturally produced in the eye?

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