A&P Final Exam Practice Test Questions And Answers

What best described Anatomical Position? - ANS Body erect, palms anterior. A parasagittal plane cuts the body into what sections? - ANS Vertical section, lateral to the median plane. What regional term is used for the back of the knee? - ANS Popliteal What regional term is used for the calf? - ANS Sural What regional term is used for the leg? - ANS Crural Which of the following organs is found in the hypogastric region? - ANS Urinary bladder Which body cavity contain the visceral organs? - ANS Thoracic & abdominopelvic cavities. A single sugar carbohydrate is called a monosaccharide. True or False? - ANS True A two sugar carbon is called: - ANS Disaccharide What is the most abundant inorganic compound on earth? - ANS Water What is the major function of carbohydrates in the body? - ANS To provide the body an immediate supply of fuel As the number of cholesterol molecule in the plasma membrane increases what happens to the membrane? - ANS It becomes more rigid. What are the 4 types of lipids? - ANS Triglycerides, Steroids, Phospholipids, & Eicosaniods A phospholipid is made from which what? - ANS 1 phosphorous group and 2 fatty acids What molecule is produced by the transcription of DNA? - ANS mRNA What does the pH of a solution refer to? - ANS Concentration of H+ ions in solution. What does the term Amphipathic refer to? - ANS A molecule that is both hydrophobic and hydrophilic. What are 3 examples of amphipathic molecules? - ANS Glycolipids, phospholipids, and an integral membrane protein. A single cell can up to 1 meter long. True or false? - ANS True Which of the following best defines osmosis? - ANS The movement of water molecules DOWN their concentration gradient. For the process of osmosis to occur, two solutions must be present on either side of a: - ANS Semi-permeable membrane. The process of diffusion occurs because: - ANS All molecules posses kinetic energy and exhibit Brownian motion. By what method do CO2 and O2 cross the plasma membrane? - ANS Simple Diffusion Does facilitated diffusion across a membrane use a carrier protein to transport molecules? - ANS Yes. Pressure induced filtration across a membrane is responsible for what? - ANS Formation of Urine Which of the following molecules crosses the plasma membrane by facilitated diffusion? - ANS Glucose When the hydrostatic pressure on one side of the membrane prevents the opposing force of osmosis, what force is that hydrostatic pressure equal to? - ANS Osmotic Pressure Primary active transport directly uses the energy of ATP. True or False? - ANS True By what mechanism do enzymes, iron, and flue viruses enter the cell? - ANS Receptor-mediated endocytosis. List 3 components included in cytoplasm: - ANS Cytosol, Inclusions, & Organelles. Mitochondria provides the cells with what? - ANS Supply of ATP What is the cellular location of DNA that is inherited only from the mother? - ANS Mitochondria What is the function of ribosomes? - ANS They are involved in protein synthesis. What are the 4 functions of smooth endoplasmic reticulum? - ANS Lipid metabolism, detoxification in the liver, synthesis of cholesterol, and synthesis of steroid hormones. Where is DNA found in the cell? - ANS The nucleus & mitochondria. Each stage of protein synthesis occurs in specific organelles within a cell. What is the correct sequence of these organelles? - ANS Nucleus - Endoplasmic Reticulum - Golgi The process of copying DNA code to make RNA code is called? - ANS Transcription Epithelia cells of the kidney perform what 3 functions? - ANS Absorption, Filtration, and Secretion. Epithelial cells are bound together how? - ANS Tightly bound together in a sheet. The basal lamina and reticular lamina together make what structure? - ANS The Basement Membrane What is the main 2 functions of simple cuboidal epithelium? - ANS Secretion & Absorption What shape are the nuclei of columnar epithelium? - ANS Oval Where is ciliated pseudostratified columnar epithelium located? - ANS The trachea What is one feature of stratified squamous epithelium? - ANS It may be keratinized. What set of diverse molecules are involved in mechanical support, movement, immunity, catalysis, and transport? - ANS Proteins