A&P Ch.4-6 Exam 2

Created by Lori Anne Griner

What is the study of tissues called?
Histology

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TermDefinition
What is the study of tissues called?
Histology
Which tissue type is primarily responsible for binding, supporting, and protecting other tissues?
Connective tissue
Which type of membrane consists of connective tissue?
Synovial membrane
Which membrane lines body cavities that open to the outside of the body?
Mucous membrane
What is the membrane surrounding the lungs called?
Pleura
What is the membrane directly covering the surface of an organ within a serous cavity called?
Visceral layer
What epithelial classification describes tissue with a single layer of cells?
Simple
What term describes epithelial cells that are approximately as tall as they are wide?
Cuboidal
What term describes epithelial cells that are taller than they are wide?
Columnar
Which epithelial tissue is specialized to stretch and return to its original shape?
Transitional
Which type of gland releases its secretions through ducts?
Exocrine
Which type of gland releases hormones directly into the blood?
Endocrine
Which connective tissue fiber provides great tensile strength and resists pulling forces?
Collagen fibers
Which connective tissue fiber allows tissues to stretch and return to their original shape?
Elastic fibers
Which connective tissue forms a supportive framework for organs such as lymph nodes and the spleen?
Reticular connective tissue
Which connective tissue is specialized for storing energy in the form of fat?
Adipose tissue
Which type of cartilage provides strong support and shock absorption?
Fibrocartilage
Which cartilage type provides flexible support and is found in structures such as the external ear?
Elastic cartilage
Which type of muscle tissue is under voluntary control?
Skeletal muscle
Which type of muscle tissue is found in the walls of hollow organs?
Smooth muscle
Which type of muscle tissue is found only in the heart?
Cardiac muscle
Which cells are primarily responsible for transmitting electrical signals in nervous tissue?
Neurons
Which cells support and protect neurons?
Neuroglia
During tissue repair, which phase occurs first?
Inflammation
What is the purpose of a blood clot during tissue repair?
To stop bleeding and provide a temporary framework for repair
Which layer of the skin contains the blood vessels, nerves, glands, and hair follicles?
Dermis
Which layer of the skin is composed primarily of keratinized stratified squamous epithelium?
Epidermis
Which epidermal layer is the deepest?
Stratum basale
Which epidermal layer is found only in thick skin?
Stratum lucidum
Which layer of the dermis is the deeper and thicker layer?
Reticular layer
What is the hypodermis primarily composed of?
Adipose and areolar connective tissue
Which protein helps protect the skin and makes it relatively waterproof?
Keratin
Which pigment provides much of the normal color of the skin and helps protect against ultraviolet radiation?
Melanin
A person with very little or no melanin production may have what condition?
Albinism
What is a bluish discoloration of the skin caused by inadequate oxygenation called?
Cyanosis
What condition is associated with yellowing of the skin?
Jaundice
What is the portion of the hair that projects above the surface of the skin?
Hair shaft
What is the portion of the hair located within the follicle?
Hair root
What is the growth zone of the hair containing mitotically active cells?
Hair matrix
Which structure within the hair bulb contains blood vessels and nerves?
Hair papilla
What is the central core of the hair?
Medulla
Which layer surrounds the medulla of the hair?
Cortex
Which part of the hair is made of hard, keratinized cells forming its outer layer?
Cuticle
Which structure causes the hair to stand up when you are cold or frightened?
Arrector pili muscle
Which structure is the matrix of proliferating cells from which the nail body forms?
Nail matrix
What is the crescent-shaped region at the base of the nail called?
Lunula
What is the area beneath the free edge of the nail called?
Hyponychium
Which type of sweat gland is primarily involved in thermoregulation?
Eccrine gland
Which type of sweat gland is associated with areas such as the axilla and groin?
Apocrine gland
Which glands produce an oily secretion called sebum?
Sebaceous glands
Which glands produce cerumen, commonly called earwax?
Ceruminous glands
Which function of the integumentary system helps prevent excessive loss of body heat?
Thermoregulation
Which type of skin cancer develops from cells in the deepest layer of the epidermis?
Basal cell carcinoma
Which type of skin cancer develops from melanocytes?
Malignant melanoma
In the ABCDE rule for evaluating skin lesions, what does the E stand for?
Evolving
Which degree of burn affects only the epidermis?
First-degree burn
Which degree of burn involves the epidermis and part of the dermis and commonly produces blisters?
Second-degree burn
Which degree of burn destroys the epidermis and dermis?
Third-degree burn
What is a thickened area of skin caused by repeated friction or pressure called?
Callus
What is a pressure ulcer caused by prolonged pressure on an area of the body also called?
Bedsore or decubitus ulcer
Which is NOT one of the major functions of bones?
Digestion
Which bone marking is an opening through which blood vessels and nerves can pass?
Foramen
Which bone marking is a smooth, rounded surface that forms a joint?
Condyle
Which bone marking is a depression or shallow groove?
Fossa
Which type of bone has a greater length than width and includes bones such as the femur?
Long bone
Which type of bone includes the vertebrae?
Irregular bone
Which type of bone includes the skull bones and sternum?
Flat bone
Which type of bone includes the wrist and ankle bones?
Short bone
Which portion of a long bone is the shaft?
Diaphysis
Which portion of a long bone is located at either end?
Epiphysis
Which structure contains yellow bone marrow in an adult long bone?
Medullary cavity
Which membrane covers the external surface of a bone except at the joint surfaces?
Periosteum
Which membrane lines the internal surfaces of the bone?
Endosteum
What is hematopoietic tissue responsible for?
Blood cell production
In adults, where is red bone marrow found primarily?
Spongy bone of certain bones
Which bone cell is responsible for building new bone?
Osteoblast
Which bone cell is responsible for breaking down bone tissue?
Osteoclast
Which mature bone cell maintains the bone matrix?
Osteocyte
Which type of bone tissue forms the dense outer layer of bones?
Compact bone
Which type of bone tissue contains many spaces and is lighter than compact bone?
Spongy bone
What is the basic structural unit of compact bone?
Osteon
Which structures are thin plates or rods of bone that make up spongy bone?
Trabeculae
Which mineral gives bone much of its hardness?
Calcium phosphate
Which component of bone provides flexibility and tensile strength?
Collagen fibers
Which type of ossification forms bone directly from connective tissue?
Intramembranous ossification
Which type of ossification replaces a cartilage model with bone?
Endochondral ossification
Long bones primarily increase in length at what structure?
Epiphyseal plate
Which hormone is important in regulating bone growth?
Growth hormone
What does bone deposition refer to?
The formation of new bone
What does bone resorption refer to?
The breakdown of bone tissue
Which cells are primarily responsible for bone resorption?
Osteoclasts
Which type of fracture is characterized by the bone breaking through the skin?
Open fracture
Which type of fracture occurs when the bone is bent and only partially breaks?
Greenstick fracture
Which type of fracture produces several bone fragments?
Comminuted fracture
Which type of fracture results from excessive twisting?
Spiral fracture
During bone fracture healing, what forms first to stabilize the injured area?
Hematoma
Which stage of fracture healing involves formation of new bone and cartilage around the fracture?
Fibrocartilaginous callus formation
Which stage of fracture healing replaces the temporary callus with stronger bone?
Bony callus formation
Which process restores bone closer to its original shape and structure after a fracture?
Remodeling
What condition is characterized by decreased bone mass and increased risk of fractures?
Osteoporosis