EXAM I Review Sheet 2 - MCB 240: Review sheets for Exam 1...

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Unformatted text preview: MCB 240: Review sheets for Exam 1 (part 2) Page 1 MCB/Physiology 240. Spr 2010 Part 2 of Review Questions for Midterm Exam 1. (Tuesday Feb 23, 7-9 p.m.) Review Session for Midterm Exam 1 (Covering Lectures 1-10) Monday Feb 22, 5-6 p.m., Room 228 NHB Midterm Exam 1 (Covering Lectures 1-10) & Optional Mini Exam 1: Tuesday Feb 23; Regular Exam 7-9 pm; Conflict Exam 4-6 p.m. Conflict Exam: Tues. February 23rd 4-6 PM Room TBA Please note that to aid you with your studies, we are providing you with 2 sets of review questions for exam 1. Part 1 was communicated to by way of the website of our course last week and Part 2 (this document) covers lectures from sensory physiology to the end of exam 1 period (motor physiology, sleep and language). The first exam of the semester will have 70 multiple-choice questions (worth 210 points) and 10 fill the blank questions and some short-answer essay type questions (worth 90 points), making up to 300 points total. This will be the first of 3 mid-term like exams that you will take during the semester. The 3rd exam will be given during the final exam period. Note also that this first exam will be accompanied with an optional mini-exam, which will offer multiple-choice questions on a few subjects that are important, but we did NOT have time to cover. If you answer these questions on the mini-exam you will get bonus points which will be added to your final total scores of exams at the end of the semester to earn bonus points your must answer correctly 10 of the 15 questions. Sensory receptors (Vander, Chap. 7, Col. Bk., 89-91) (Mechano-, photo-, chemo-receptor types and examples of each); different kinds of receptors in skin; structure of Pacinian corpuscle; receptor potential; relationship between stimulus strength, amplitude of receptor potential and frequency of action potential. Is receptor potential a type of graded potential? Explain. What is meant by sensory transduction? Which part of the Pacinian corpuscle is involved in transduction? What is meant by the frequency code for communication between peripheral sensory neurons and spinal cord neurons? Receptor adaptation (do receptors adapt?) - which receptor types show adaptation and which dont? Define receptive fields as well as "separate" and "overlapping" receptive fields? Relationship between receptive field size and their overlap and variation in sensitivity in different skin/body parts (compare fingertip with back of the trunk); what is a sensory unit? Know about two point discrimination test and how and what it tells us about differential sensitivity to tactile reception in the skin? Which body areas have acute ability to tactile sensation and which have low ability? In what way the size of the receptive field and overlapping nature of the receptive MCB 240: Review sheets for Exam 1(part 2) Page 2 Page 2 field play a role in differential sensitivity? See if you can discuss lateral inhibition as a mechanism for acuteness of tactile sensitivity (such as in fingertips). as a mechanism for acuteness of tactile sensitivity (such as in fingertips)....
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EXAM I Review Sheet 2 - MCB 240: Review sheets for Exam 1...

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