Chapter 3 Advance Histology Of The Cell And Dkin Flashcards
What is histology?
The study of the microscopic structure of tissues.
True or False: The cell is the basic unit of life.
True
Fill in the blank: The _______ is the outermost layer of the skin.
epidermis
What are the main functions of the skin?
Protection, sensation, temperature regulation, and excretion.
Which type of cell produces melanin?
Melanocytes
Multiple Choice: Which layer of the skin contains blood vessels and nerves? A) Epidermis B) Dermis C) Hypodermis
B) Dermis
What is the primary function of fibroblasts?
To produce collagen and elastin.
True or False: Keratinocytes are the most abundant cells in the epidermis.
True
Fill in the blank: The _______ layer of the skin is responsible for the formation of new skin cells.
stratum basale
What is the role of the sebaceous glands?
To produce sebum, which lubricates the skin and hair.
Multiple Choice: Which layer of the skin is primarily responsible for insulation? A) Epidermis B) Dermis C) Hypodermis
C) Hypodermis
What is the function of sweat glands?
To regulate body temperature through perspiration.
True or False: The dermis is made up of connective tissue.
True
Fill in the blank: _______ are the cells responsible for the sense of touch.
Merkel cells
What are the two main types of sweat glands?
Eccrine and apocrine glands.
Multiple Choice: Which component of the skin provides strength and elasticity? A) Collagen B) Keratin C) Melanin
A) Collagen
What is the structure of the cell membrane primarily made of?
Phospholipids and proteins.
True or False: The nucleus of a cell contains genetic material.
True
Fill in the blank: The _______ is the jelly-like substance within the cell.
cytoplasm
What organelle is responsible for energy production in the cell?
Mitochondria
Multiple Choice: Which type of tissue covers the body surface and lines cavities? A) Connective B) Epithelial C) Muscular
B) Epithelial
What is the primary role of the Golgi apparatus?
To modify, sort, and package proteins and lipids.
True or False: The stratum corneum is the deepest layer of the epidermis.
False
Fill in the blank: _______ cells are involved in the immune response in the skin.
Langerhans
What is the primary component of hair?
Keratin
Multiple Choice: Which layer of the epidermis is responsible for cell division? A) Stratum corneum B) Stratum granulosum C) Stratum basale
C) Stratum basale
What is the function of the lymphatic system in relation to the skin?
To remove waste and excess fluid from the skin.
