Excitability - Study guides, Class notes & Summaries

Excitability correct answers the ability of non-pacemaker heart cells to respond to an electrical impulse that begins in pacemaker cells. Depolarization correct answers occurs when the normally negatively charged cells within the heart muscle develop a positive charge. Conductivity correct answers the ability to send an electrical stimulus from cell membrane to cell membrane. As a result, excitable cells depolarize in rapid succession from cell to cell until all cells have depolarized. Ex:...

Test Bank - Berne and Levy Physiology 7th Edition (Koeppen 2023/2024) Complete Guide Latest Version A+. Koeppen: Berne and Levy Physiology, 7th Edition Chapter 01: Principles of Cell FunctionTest Bank Multiple Choice 1. The subcellular structure that degrades proteins is called the: A. Tight junction B. Mitochondria C. Lysosome D. Plasma membrane E. Ribosome ANS: C 2. An experiment is done to measure the uptake of an amino acid into a cell. The following data are obtained: If Na+ ...

BSC 2085 EXAM 1 QUESTIONS AND ANSWERS 100% PASS Histology would be best defined as a study of ________. es chemistry gross structures of the body - Answer- b. Tissues A structure that is composed of two or more tissue types that work together to perform specific functions for the body is a(n) ________. ex tissue system ex cell - Answer- organ Which of the following organs or structures would be found in the left iliac region? dix ch tines - Answer- intestines Which one of ...

NURS 5315 Advanced Pathophysiology Test 1 2023. Decreases citric acid cycle production of NADH and leads to using Acetyl-CoA for ketogenesis and lipogenesis What can Reactive Oxygen Species cause? - ANSWER Heart disease, Alzheimers, Parkinsons, Amyotrophic Lateral Sclerosis (ALS), CV disease, HTN, HLD, DM, ischemic heart disease, HF, OSA. Lipid perioxidation, damage proteins, fragment DNA, less *protein synthesis*, chromatin destruction, damage mitochondria What is the body's defense agai...

between the origin and insertion which is usually located proximally in limbs ? correct answers Origin What happens during REVERSE MUSCLE ACTION? correct answers specific movements of the body the actions are reversed THEREFOR the positions of the origin and insertion of a muscle are switched What is a mechanical advantage using the example of a lever? correct answers if the load is closer to the fulcrum and the effort is farther from the fulcrum only a small about of effort is needed to m...

Principles of Anatomy and Physiology, 12th Edition, by Bryan Derrickson, Gerald Tortora. Multiple Choice & Essays 1. How much of the total body weight of the average adult is muscle tissue? a. 20-30% b. 30-40% c. 40-50% d. 50-60% e. 60-70% Ans: C Difficulty: medium Feedback: Chapter Opener 2. The different types of muscle tissue differ from each other by: a. Microscopic anatomy b. Location c. Type of Control d. Both a and b e. All of the above Ans: E Diffic...

BIOL 235 Midterm Exam 2 With Complete Solution(100% Verified) 185 Questions with 100% Correct Answers. 1. between the origin and insertion which is usually located proximally in limbs ? - Origin 2. What happens during REVERSE MUSCLE ACTION? - specific movements of the body the actions are reversed THEREFOR the positions of the origin and insertion of a muscle are switched 3. What is a mechanical advantage using the example of a lever? - if the load is closer to the fulcrum and the effort...

ATI MED SURG PROCTORED EXAM 2023 REAL EXAM QUESTIONS WITH WELL DETAILED AND EXPLANED ANSWER KEY. BEST STUDY MATERIAL TO HELP YOU PASS 1. A nurse is caring for a client who has HIV. Which of the following laboratory values is the nurse's priority? A. Positive Western blot test Rationale: The client is already identified as HIV positive. Therefore, another value is the priority. B. CD4-T-cell count 180 cells/mm3 Rationale: A CD4-T-cell count of less than 180 cells/mm3 indicates that the ...

Uppers Downers All Arounders Ch 1-10 UPDATED!!! COMPLETE A+ GRADED. Uppers - ANS stimulants such as amphetamines that affect the CNS to excite the user Downers - ANS Depressants, such as barbiturate, that depress the central nervous system All Arounders - ANS Psychedelics (e.g., marijuana, LSD, and MDMA) alter sensory input and can cause illusions, delusions, and hallucinations, and can cause some stimulation Inhalants - ANS deliriants Psychoactive Drug - ANS any substance that dir...

BIO 161 PSU EXAM 4 QUESTIONS AND ANSWERS 100% PASS Question: Name the three types of muscle tissue found in the human body. - a. skeletal, cardiac, striated - b. voluntary, smooth, cardiac - c. skeletal, cardiac, smooth - d. striated, smooth, involuntary - Answer: c. skeletal, cardiac, smooth Explanation: The human body contains three types of muscle tissue: skeletal muscle, cardiac muscle, and smooth muscle, each with distinct characteristics and functions. Question: What a...