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BIOL 2160 – 90+ Exam Questions on Metabolism, Nervous System, Action Potentials – Louisiana State University

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This document is a complete and highly detailed exam preparation resource for BIOL 2160 (Human Physiology) at Louisiana State University, featuring over 90 multiple-choice questions with correct answers. It covers an extensive range of topics that are essential for the third exam of the course, including metabolic states (absorptive and post-absorptive), glucose regulation, hormonal control (insulin, glucagon, epinephrine), types of diabetes and their physiological mechanisms, and the role of neurotransmitters in neural signaling. A significant portion of the document delves into the nervous system, detailing neuron structure and function, types of glial cells, ion channel dynamics, membrane potential, action potentials, synaptic transmission, neurotransmitter systems (e.g., GABA, glutamate, serotonin), long-term potentiation, and the physiological basis of memory, sleep, and language. Students will also find clear explanations of CNS and PNS organization, signal propagation, and electrical vs. chemical synapses. This document is ideal for students studying human physiology, neuroscience, nursing, kinesiology, pre-med, biomedical sciences, and general biology. It offers exam-aligned practice with verified answers, making it a reliable resource for self-assessment, revision, and mastering complex physiological concepts through an active recall format. Keywords: metabolic rate, energy balance, insulin, glucagon, gluconeogenesis, glycogenesis, diabetes, GLUT4, action potential, graded potential, refractory period, neurotransmitters, synapse, myelin, resting membrane potential, Na K pump, ion channels, glial cells, CNS, PNS, afferent neurons, efferent neurons, EPSP, IPSP, long-term potentiation, memory, sleep stages, Broca's area, Wernicke's area, mirror neurons

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BIOL 2160 Exam 3 2025/2026 Exam
Questions with 100% Correct Answers |
Latest Update



Food intake is - 🧠 ANSWER ✔✔intermittent


Glucose requirement, especially for nervous system, is - 🧠 ANSWER

✔✔continuous


The body must have a way to _____ and _____ nutrients to maintain blood

glucose at a constant level - 🧠 ANSWER ✔✔store and mobilize


Glucose will be in one of what two places in the body? - 🧠 ANSWER ✔✔in

the cell

in the blood

,How does blood sugar lower? - 🧠 ANSWER ✔✔sugar is taken out of the

blood and put into the cell


How does blood sugar get raised? - 🧠 ANSWER ✔✔sugar is taken out of

the cell and put into the blood

If glucose is high in the cells then it is ____ in the blood - 🧠 ANSWER

✔✔low


If glucose is low in the cells then it is _____ in the blood - 🧠 ANSWER

✔✔high


Where is glycogen stored? - 🧠 ANSWER ✔✔liver and skeletal muscles


What process is right after eating and blood sugar is high? - 🧠 ANSWER

✔✔glycogenesis


What process is a while after eating and blood sugar is low? - 🧠 ANSWER

✔✔glycogenolysis


process where new glucose molecules are synthesized from proteins and

fats - 🧠 ANSWER ✔✔gluconeogenesis

,What is gluconeogenesis carried out by and how? - 🧠 ANSWER ✔✔the

liver; it has enzymes that run glycolysis in reverse

What is broken down to make new glucose molecules for the nervous

system? - 🧠 ANSWER ✔✔proteins and fats


Inside of cells, biomolecules can be... - 🧠 ANSWER ✔✔broken down to

release energy

used to synthesize other molecules

converted to energy storage molecules

glycogen is what type of biomolecule and used for what type of energy? - 🧠

ANSWER ✔✔carbohydrate


short term energy

triglyceride is what type of biomolecule and used for what type of energy? -

🧠 ANSWER ✔✔fat


long term energy


metabolic rate = - 🧠 ANSWER ✔✔amount of energy (heat + work) released

per unit time




COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
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, What is metabolic rate influenced by? - 🧠 ANSWER ✔✔muscular activity,

age, gender, body surface area, environmental temperature


How is metabolic rate influenced by muscle? - 🧠 ANSWER ✔✔the more

muscle you have, the faster your metabolic rate is


How is metabolic rate influenced by age? - 🧠 ANSWER ✔✔the older you

get, the slower your metabolic rate gets


How is metabolic rate influenced by gender? - 🧠 ANSWER ✔✔males have

a faster metabolic rate due to testosterone, because testosterone breaks

down fat

females have a slower metabolic rate due to estrogen because estrogen

stores fat

use of proteins to generate movement (muscles, cilia)


muscle contraction - 🧠 ANSWER ✔✔mechanical


formation of chemical bonds (anabolism)


building proteins - 🧠 ANSWER ✔✔chemical


moving molecules across membranes (active transport, endo/exocytosis)


active transport of molecules - 🧠 ANSWER ✔✔transport

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