Fetal Development and Fingerprints Quiz

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What is the primary function of the ridges that form during fetal development?

Increase sensitivity to smell

Increase sensitivity to taste

Increase sensitivity to touch (correct)

Increase sensitivity to light

When do fingerprints start developing in a fetus?

Ninth month

Third month (correct)

Sixth month

First month

At what age do fingerprints stop developing?

6 years old

1 year old

6 months old

12 years old (correct)

Which skin pigment is produced by melanocytes and determines skin color?

Melanin Signup and view all the answers

What factor influences the amount of melanin produced?

Genetic predisposition Signup and view all the answers

Which layer of the skin is responsible for producing melanin?

Stratum Basale Signup and view all the answers

What pigment is responsible for the yellow, brown, or black color of the skin?

Carotene Signup and view all the answers

Which layer of the dermis contains pain receptors and capillary loops?

Papillary layer Signup and view all the answers

Which type of glands are found in the dermis layer of the skin?

Sweat glands Signup and view all the answers

What structures are responsible for creating fingerprints on the skin?

Dermal papillae Signup and view all the answers

What causes the skin to have a reddish color due to blood cells in dermal capillaries?

High hemoglobin content Signup and view all the answers

Which gland produces oil as a lubricant for the skin and helps kill bacteria?

Sebaceous gland Signup and view all the answers

What is the function of melanocytes in the skin?

To provide pigment for skin color Signup and view all the answers

Which layer of the skin is not part of the skin structure but anchors the skin to underlying organs?

Hypodermis Signup and view all the answers

Which type of sweat gland is widely distributed in the skin and helps dissipate excess heat?

Eccrine sweat gland Signup and view all the answers

What is the function of melanin in the skin?

To protect against UV radiation damage Signup and view all the answers

What determines the color of hair in humans?

Melanin produced by melanocytes Signup and view all the answers

Which type of burn affects only the epidermis and results in red, swollen skin?

First-degree burn Signup and view all the answers

What skin condition is caused by a bacterial infection and leads to tissue damage and cell death?

Impetigo Signup and view all the answers

Which of the following best describes the function of nails in humans?

To protect the tips of fingers and toes Signup and view all the answers

What determines the development of unique fingerprints in each individual?

Epidermal ridge patterns during fetal development Signup and view all the answers