Graded potentials are - Study guides, Class notes & Summaries

Bios255, Comprehensive Exam This examination covers content learned in BIOS251, BIOS252, and BIOS255. This exam is worth 100 total points, consisting of 50 multiple-choice questions. You have 75 minutes to complete the Exam. Bios251 Describe a positive feedback system A positive feedback system is mechanism in which the system responds to the perturbation in the same direction as the perturbation. Positive feedback is essentially a feedback mechanism that results in the amplification or growth o...

Bio 669 Quiz 2 Already Graded A+ Neuron is composed of dendrite, cell body (middle portion of neuron) , axon densely packed cell bodies (of the neuron, which is middle part) in the CNS are called _____ nuclei nucleus located in CNS Brainpower Read More densely packed cell bodies in the PNS are called _____ Ganglia What are dendrites? Receptive portions of the neuron; receives incoming information, senses external stimuli then sends signal to cell body of the neuron What...

BIO 235 Final Exam Questions With 100% Correct Answers 2024/2025 Potassium: A. is more abundant outside the cell than inside the cell. B. moves into the cell during an action potential. C. is transported out of the neuron by the sodium-potassium pump. D. leaks out of the cell more than sodium leaks into the cell. - answerc. salutary and continuous action potential conduction - answerconduction occurs in myelinated axons. Nerve signals transmit much faster than in continuous conduction be...

OVERVIEW OF COMMUNITY HEALTH NURSING MODULE 1 QUESTIONS AND ANSWERS GRADED A+ two major fields of nursing in the Philippines a.) community health nursing b.) hospital nursing Community health nursing includes public health nursing, occupational health nursing and school nursing Community health nursing (Araceli Maglaya) The utilization of the nursing process in the different levels of clientele-individuals, families, population groups and communities, concerned with the promotio...

Biology 252 Exam 1 Questions and Answers Already Passed ______ and _______ induce the formation of the BBB. Astrocytes and Pericytes ______ gated channels generate local, graded potentials. Chemically gated channels generate local potentials. ________ channels are found mainly on the axon and axon hillock (trigger zone). Voltage gated channels 1st type of information provided by sensation receptors: modality Type of stimulus or the sensation it produces -temp vs touch -vibration vs sou...

BIO 235 Final Exam Questions With 100% Correct Answers 2024/2025 Potassium: A. is more abundant outside the cell than inside the cell. B. moves into the cell during an action potential. C. is transported out of the neuron by the sodium-potassium pump. D. leaks out of the cell more than sodium leaks into the cell. - answerc. salutary and continuous action potential conduction - answerconduction occurs in myelinated axons. Nerve signals transmit much faster than in continuous conduction be...

ASET CNIM Exam 2023 Questions With Correct Solutions Latest Update Graded A+. Resting membrane potential is created by differences between the inside and outside of the cell in ion concentrations of 1. K+ 2. K+ and Ca++ 3. K+, Na+ and Cl4. Na+, Ca++ and Cl- - Answer K+, Na+, and ClExcitation of the postsynaptic neuron is caused by the neurotransmitter 1. gamma amino butyric acid 2. glycine 3. para amino butyric acid 4. glutamate - Answer Glutamate Wave III of the BAER is generated by t...

BIOS 252 Anatomy And Physiology II Week 1 To 8 Quizzes with All Answers Verified 1. The finger-like projections extending from the neuron’s cell body that are most frequently the site of stimulation and formation of graded potentials are called . a. Synaptic Cleft b. Dendrites c. Axon d. Axon Hillock

BIOL 235 Midterm 2 Exam Questions and Answers Latest Updated 2024/2025 Graded A+. between the origin and insertion which is usually located proximally in limbs ? - Origin 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 What is a mechanical advantage using the example of a lever? - if the load is closer to the fulcrum and the effort is farther from the fulcrum only ...

What are the 3 components of the neuron? - cell body (soma), dendrites, axons where is the cell body (soma) located? - mainly in the CNS Densely packed cell bodies in the CNS are? PNS? - nuclei. ganglia. What is located in the cell body (soma)? - nucleus and cytoplasm. Dendrites are the ________ portion of the neuron. - Receptive portion. They accept and sense external stimuli. Stimulate incoming signals to cell body. Axons transmit impulses where? - Transmit impulses AW...