Epithelia functions Study guides, Class notes & Summaries

Types of Epithelium 1. Glandular 2. Covering or lining Characteristics of Epithelium 1. Have free surface- exposed to external orientation and a basal surface attached to basal lamina 2. Avascular 3. Have a nerve supply 4. High capacity for renewal Covering or Lining Epithelium Cells organized into one or more layers that cover external surface or line cavities of organs Types: 1. Simple epithelia- one cell layer -Squamos -Cuboidal -Columnar 2. Stratified- 2 or more layers 4 Types of tissue...

Lipid synthesis is a function of which organelle? Smooth endoplasmic reticulum If a biopsy found malignant cells in an epithelium, the abnormal cell proliferation would be indicated by an increase in size and/or number of which of the following structures within the cells examined? Golgi apparatus The mechanism by which a bacterium is brought into a cell is called Phagocytosis All the following are functions of the plasmalemma of a cell EXCEPT one. The EXCEPTION is: Regulates transport betwee...

MCAT Biology Exam Questions With Verified And Updated Solutions. Cell Theory - answerFour Tenets: 1. All living things are composed of cells 2. The cell is the basic functional unit of life 3. Cells arise only from preexisting cells 4. Cells carry genetic information in the form of DNA Eukaryotic Cells - answerContain a true nucleus enclosed in a membrane. Prokaryotic Cells - answerDo not contain a nucleus. Organelles - answerSuspended in semifluid cytosol. In eukaryotic cells they are ...

1. Which of the following tissues is always avascular? A) connective tissue D) epithelial tissue B) muscle tissue E) nervous tissue C) skeletal tissue Ans:  D Difficulty:  Medium 2. A scientist who examines tissue changes that might indicate disease is called a A) histologist. D) epidemologist B) radiologist. E) endocrinologist. C) pathologist. Ans:  C Difficulty:  Easy 3. The tissue lining body cavities is A) epithelial tissue. D) m...

TEST BANK ESSENTIALS OF PATHOPHYSIOLOGY (4TH EDITION BY PORTH) CONTENTS Chapter 01 - Cell Structure and Function .......................................................................................................................... 2 Chapter 02 - Cellular Responses to Stress, Injury, and Aging .......................................................................................... 7 Chapter 03 - Inflammation, the Inflammatory Response, and Fever ..............................................

Support, protection of soft tissues, mineral storage, and blood formation ate functions of which system? - Answer-Skeletal The increasingly forceful labor contractions that lead to childbirth exemplify - Answer-Positive Feedback When body temperature FALLS, a center in the brain initiates physiological changes to INcrease body temperature. This regulation mechanism is an example of... - Answer-Negative Feedback Your instructor presented the idea that all physiology is finally reducible to: ...

the skin (accounts for 15-20% of total body weight) - ANSWER-what is the largest organ in the body? 1. projections at the irregular junction between dermis and epidermis 2. interdigitations with invaginating epidermal ridges to strengthen adhesion of the two layers - ANSWER-what are dermal papillae? hair, nails, sebaceous, and sweat glands - ANSWER-epidermal derivatives include... -provides physical barrier against thermal & mechanical (pathogens, friction) -microorganisms that penet...

anatomy - The study of body structure Physiology - The study of body function microscopic anatomy - structures too small to be seen with the naked eye gross anatomy - Study of structures that can be seen with the naked eye regional anatomy - Specific regions of the body surface anatomy - superficial and internal structures as they relate to their location on the body surface systemic anatomy - studies structures involved with a specific activity parietal layer - lines the in...

Chapter 2 - Milady 14th Edition Exam Questions And Revised Correct Answers nucleus - Answer -the specialized structure in the center of the cell. It controls the growth and reproduction of the cell. It also contains the cell's genetic material. Cytoplasm - Answer -is the watery fluid that surrounds the nucleus. It provides a structure for the cell parts so that they can move freely within the cell membrane. Enzymes in the cytoplasm help digest and break down other molecules for food. c...

Which duct does not branch? - Answer simple A process by which all cytoplasmic components of the cell are divided into 2 identical daughter cells - Answer cytokinesis Name the 2 types of nerves in the periodontal ligaments? - Answer myelinated afferent and autonomic Name the 3 groups of fibers in the PDL - Answer gingival fiber group, alveolodental ligament, transseptal ligament These are concentric series of bands represent incremental growth lines that extends from the DEJ - Answer...