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Chapter 5 Questions
| Question | Answer |
|---|---|
| Describe three types of intercellular junctions. | tight junctions (close space), desmosomes (bind cells by forming "spot welds"), and gap junctions (form tubular channels between cells) |
| Where is simple squamous epithelium found? | air sacs of lungs |
| Where is simple cuboidal epithelium found? | lining of kidney tubules |
| Where is simple columnar epithelium found? | lining of intestines |
| Where is pseudostratified columnar epithelium found? | lining of respiratory passages |
| Where is stratified squamous epithelium found? | outer layer of skin |
| Where is stratified cuboidal epithelium found? | linings of ducts of mammary glands |
| Where is stratified columnar epithelium found? | part of male urethra |
| Where is transitional epithelium found? | lining of urinary bladder |
| Where is glandular epithelium found? | salivary glands |
| Describe how glands are classified according to the structure of their ducts and the organization of their cells. | review pp. 159-160 |
| A gland that secretes substances by exocytosis is a ___________ gland. | merocrine |
| ___________ are thick fibers that have great tensile strength and are flexible, but only slightly elastic. | collagenous |
| Contrast dense regular and dense irregular connective tissues. | DR: binds body parts such as tendons and ligaments DI: sustains tissue tension, found in dermis |
| Explain why injured dense regular connective tissue and cartilage are usually slow to heal. | they have low blood supply |
| Name the major types of cartilage, and describe their differences and similarities. | all provide support and protection HYALINE: provides framwork; f.i. ends of bones, nose, rings of resp. passages ELASTIC: provides elastic framework; f.i. ear, larynx FIBRO: absorbs shock; f.i. spinal col., knee, pelvic girdle |
| The fluid extracellular matrix of blood is called __________. | plasma |
| Describe the sturcture of epithelial membranes in contrast to synovial membranes. | epithelial line sufaces and cavities, synovial lies joints |
| Identify locations in the body of the four types of membranes. | SEROUS: cavities that do not open to outside MUCOUS: cavities that do open to outside CUTANEOUS: skin SYNOVIAL: joints |
| Compare and contrast skeletal, smooth, and cardiac muscle tissues in terms of location, cell appearance, and control. | review p. 174 |
| Describe the general characteristics of nervous tissue. | sensory reception and conduction of electrical impulses. f.i. brain, spinal chord |
| Distinguish between the functions of neurons and neuroglia. | neurons are the basic cell of nervous system that sense changes and respond///neuroglia are cells that bind nervous tissue, carry on phagocytosis, connect neurons with blood vessels |