Understanding Skin Anatomy

Which of the following is the outermost layer of the skin?

• Dermis

• Hypodermis

• Epidermis

• Subcutis

What is the primary function of the skin?

• To provide insulation

• To produce vitamin D

• To protect against environmental hazards

• All of the above

Hair follicles originate in which layer of the skin?

• Epidermis

• Dermis

• Hypodermis

• Subcutaneous tissue

Which type of sweat gland is primarily responsible for thermoregulation?

• Apocrine

• Eccrine

• Sebaceous

• Merocrine

What type of nerve endings are responsible for detecting temperature changes?

• Meissner's corpuscles

• Pacinian corpuscles

• Free nerve endings

• Ruffini endings

Melanin, which determines skin color, is produced by which cells?

• Keratinocytes

• Melanocytes

• Langerhans cells

• Merkel cells

Tags

NGSS.MS-LS3-1

Which layer of the skin is responsible for its strength and elasticity?

• Epidermis

• Dermis

• Hypodermis

• Stratum corneum

The process of sweating is primarily controlled by which part of the nervous system?

• Central nervous system

• Peripheral nervous system

• Autonomic nervous system

• Somatic nervous system

Which of the following is NOT a function of the hypodermis?

• Fat storage

• Temperature regulation

• Production of vitamin D

• Protection against physical impacts

What is the main role of Merkel cells found in the skin?

• To produce sweat

• To detect touch sensations

• To regulate body temperature

• To produce melanin