A and P 1 Practice Questions Chapter 5

T/F Adipocytes are limited to adipose tissue

False, adipocytes are also found in areolar tissue, either singly or in small clusters

T/F In all connective tissues, the matrix occupies more space than the cells do

False, adipose tissue is am exception; cells constitute most of its volume

T/F Cartilage is always covered by a fibrous perichondrium

False, perichondrium is lacking from fibrocartilage and from hyaline articular cartilage

T/F The esophagus is protected by abrasions by keratinized stratified squamous epithelium

False, the esophageal epithelium is nonkeratinized

T/F Tight junctions function primarily to prevent cells from pulling apart

False, tight junctions serve mainly to restrict the passage of material between cells

T/F All cells of a pseudo stratified columnar epithelium contact the basement membrane

True

T/F Metaplasia is a normal, healthy tissue transformation but neoplasia is not

True

T/F Nerve and muscle cells are not the body's only electrically excitable cells

True

T/F Not all skeletal muscles Is attached to bones

True

T/F The stroma of a gland does not secrete anything

True

A fixative serves to a. stop disease decay b. improve contrast c. repair a damage tissue d. bind epithelial cells together e. bind cardiac myocytes together

a

Transitional epithelium is found in a. the urinary system b. the respiratory systems c. the digestive system d. the reproductive system e. all of the above

a

The collagen of areolar tissue is produced by a. macrophages b. fibroblasts c. mast cells d. leukocytes e. chondrocytes

b

The external surface of the stomach is covered by a. a muscosa b. a serosa c. the parietal peritoneum d. a lamina propria e. a basement membrane

b

the most abundant formed elements of blood is a. plasma b. erythrocytes c. platelets d. leukocytes e. proteins'

b

the shape of the external ear is due to a. skeletal muscle b. elastic cartilage c. fibrocartilage d. articular cartilage e. hyaline cartilage

b

An epithelium rests on a layer called the __________________ between its deepest cells that the underlying connective tissue

basement membrane

________ prevent fluids from seeping between epithelial cells a. glycosaminoglycans b. hemidesmosomes c. tight junctions d. communicating junctions e. basement membranes

c

which of these is a primary germ layer a. epidermis b. muscosa c. ectoderm d. endothelium e. eouthelium

c

Tendons and ligaments are made mainly of the protein ____________

collagen

A seminiferous tubule of the testis is lined with ___________ epithelium a. simple cuboidal b. pseudostratified columnar ciliated c. stratified squamous d. transitional e. stratified cuboidal

e

tendons are composed of _______________ connective tissue a. skeletal b. areolar c. dense irregular d. yellow elastic e. dense regular

e

Muscle ells and axons are often called _____________ because of their shape

fibers

Osteocytes and chondrocytes occupy little cavities called __________

lacunae

Fibers and ground substance make up the ________________ of a connective tissue

matrix (extracellular material)

The simple squamous epithelium that lines the peritoneal cavity is called __________-

mesothelium

A/An _______________ adults stem cell can differentiate into two or more mature cell types

multipotent

Any form of pathological tissue death is called ___________

necrosis

Any epithelium in which every cell touches the basement membrane is called a/an epithelium

simple

The only type of muscle that lacks gap junctions is _____________

skeletal muscle