Body Tissues and Integumentary System

What are three functions of the integumentary system?

• Protection, temperature regulation, and sensation.
• Sound perception, muscle movement, and blood circulation.
• Memory storage, hormone production, and vision.
• Digestion, respiration, and circulation.

A tough protein within the skin is _____.

• carotene
• keratin
• melanin
• mucus

Which of the following has no blood supply of its own?

• the epidermis
• the dermis
• both of these
• neither of these

The "tanning" effect (darkening of the skin) that occurs when a person is exposed to the sun is somewhat protective due to _____.

• a decreased blood supply that blocks melanocyte activity
• increased production of melanin that helps to block ultraviolet light
• an increased blood supply that carries the heat of the sun away
• an increased concentration of keratin that "toughens" the skin

Melanocytes are found in the _____.

• stratum basale
• stratum corneum
• stratum lucidum
• stratum dermis

Which of the following is found in the dermis?

• stratum corneum
• melanocytes
• sweat and oil glands
• keratinocytes

Which of the following is NOT a true statement about the papillary layer of the dermis?

• it is located beneath the epidermis
• it produces the pattern for fingerprints
• it is the deepest layer of the skin
• it has capillary loops that provide nutrients to the epidermis

This tissue type is named based on the number of layers it has and the shape of its cells.

• Connective
• Epithelium
• Muscle
• Nervous

This tissue is the most widely distributed tissue type in the body. It is characterized by having large amounts of nonliving matrix.

• Connective
• Epithelium
• Muscle
• Nervous

This tissue type is the basis for the major controlling system of the body. It forms the brain and spinal cord.

• Connective
• Epithelium
• Muscle
• Nervous