Bio 227 - Study guides, Class notes & Summaries

Where can you find bipolar neurons? Retina of the eye, olfactory region, and inner ear Where can you find unipolar neurons? Most sensory Where can you find multipolar neurons? Most CNS and efferent neurons Neuroglia of the CNS -astrocytes (blood-brain barrier) -microglial cells -ependymal cells -oligodendrocyte Neuroglia of the PNS -Schwann cells -satellite cells Olfactory nerve (CNI) 1- Smell Optic nerve (CNII) 2- visual

Boise State Bio 227-Exam 4-Koob Questions and Answers 100% Pass absolute refractory period No possibility of creating another action potential. action potential Sudden increase in permeability of the membrane to sodium ions. Afferent is to ___________ as Efferent is to ___________ sensory, motor after potential/hyperpolarization Comes after repolarization Agraphia inability to write. Alpha Waves 8-13 Hz Calm Anterior (ventral) Gray Horns motor part of gray matter Anterio...

Bio 227-Final Exam-Boise State-Koob Questions and Answers Already Passed A hyposecretion of ADH results in? Diabetes Insipidus An increase in the intraocular pressure may result in this leading cause of blindness? Glaucoma Are the gustatory receptors themselves neurons? No. Are the olfactory receptors true neurons? Yes Briefly describe how rods work. rod-shaped outer part and function in dim light; detect movement well, but poor a sharpness of vision, pick up contrasting dark a...

Bio 227 Cory Hanley Test 1 Latest Update 100% Pass antebrachial forearm antecubital front of elbow Atom smallest particle exhibiting chemical properties of an element atomic mass The average mass of all the isotopes of an element; proton + neutrons; below element Atomic number the number of protons in the nucleus of an atom; above symbol name; arranged by this in rows, written at left auricular ear brachial arm carpal wrist Caudal / Rostral Toward the tail (away f...

Bio 227 Lab Exam 1 Latest Version Graded A+ 2 layers of integumentary system Epidermis and dermis active transport Energy-requiring process that moves material across a cell membrane against a concentration gradient adipose connective tissue highly vascularized; nucleus is pushed to inside edge of plasma membrane adrenal glands pair of endocrine glands just above the kidneys Anaphase third stage of mitosis; chromosomes pull apart and move toward the poles of the cell Ante...

Bio 227 Cory Hanley Test 1 with Complete Solutions What is the definition of anatomy? Answer-studies form and structure of the body (relationships among parts of body and structure of individual organs) What is the definition of physiology? Answer-study of the function of body parts (under normal AND altered circumstances) What is the relationship between anatomy and physiology Answer-Form and function are interrelated (easiest way to learn both) What is the scientific method and it...

Bio 227 Lecture Exam 1 with Complete Solutions Anatomy Answer-study of structure and form Physiology Answer-the study of function of body parts Gross Anatomy Answer-systematic anatomy (anatomy of each functional body system), regional anatomy(examines all structures in a certain region as a complete unit), surface anatomy(focus on both superficial anatomic markings and the interal body structures that relate to the skin covering them), comparative anatomy(examines similarities and di...

Bio 227 Lecture Exam 1 Questions and Answers Already Passed 4 most common elements in the human body oxygen, carbon, nitrogen hydrogen 6 major classes of enzymes 1. Oxidoreductases- oxidizes or reduces eg moves electron around 2. Transferases- transfers a functional group eg phosphate/hydroxyl 3. Hydrolases- does a hydrolysis reaction by ripping apart molecules using water 4. Lyases-breaks bonds but without water 5. Isomerases-makes one isomer into another by changing shape 6. Lig...

Bio 227 Lab Exam 1; Questions and Answers 100% Correct total magnification Answer-ocular lens x objective lens Proximal Answer-Nearer to the trunk of the body Distal Answer-Farther from the trunk of the body Anterior Answer-front of the body Posterior Answer-back of the body Lateral Answer-away from the midline

Bio 227-Final Exam-Boise State-Koob; Questions and Answers 100% Correct Define Sensation. Answer-Awareness of a stimulus. Define Perception. Answer-refers to the conscious registration of a sensory stimulus.Interpretation of the meaning of the stimulus List 4 prerequisites for sensation/perception to occur. Answer-a. Stimulus b. Receptor c. Conducted d. Translate impulse into a sensation Define Projection. Answer-describes the process by which the brain refers sensations to their po...

Bio 227 Exam 2 Questions and Answers Rated A+ 3, 2 the sodium potassium exchange pump transfers ___ sodium ions out of the cell for every ___ potassium ions it transports into the cell active transport movement of a solute against its concentration gradient adpocytes fat cells articular cartilage spongey bone within the epiphysis that absorbs shock autolysis when enzymes from a damaged cells lysosomes are released in the cytosol, resulting in a rapid digestion of the molecula...