Eeob 2520 - Study guides, Class notes & Summaries

The form of direct communication that allows the two cells to be furthest apart is - tunneling nanotubes A homeostatic control system __________ requires energy to maintain a parameter at a set point that _______ change over the course of a lifetime. - always, can While studying for physiology, Brutus makes the poor decision to ask the entire class a question via email (instead of posting on the Discussion Boards). After reminding him that he read in the Syllabus that he will now rece...

irect communication between cells in physical contact with one another is accomplished through - ANSWER gap junctions The lumen of the organs of the ____ system is part of the internal environment - ANSWER cardiovascular The ___ secretes the hormones ___ to regulate the body's metabolism - ANSWER thyroid; T3 and T4

The current measurement of a typical cell's membrane potential is -60 mV. That cell should therefore be correctly categories as ___ and the likelihood of an action potential occurring is ___. - ️️Depolarized - not able to be determined. Cell B's cytosol is observed to be more negatively charged than the surrounding interstitial fluid. A mechanically-gated sodium channel is open in Cell B. Assuming a typical sodium distribution, sodium would have a net movement ___ Cell B. - ️️...

preventing hypocalcemia: 1,25 dihydroxyvitamin D (calcitriol; active vitamin D) - ️️source is UV impact on skin creates vitamin D then it is converted by liver then kidney via PTH. The action is to stimulate intestines to absorb Ca2+ . Americans typically require synthetic intake because of wearing sunscreen. .Hypercortisolism (Cushing's syndrome) - ️️-high glucose (can be mistaken for diabetes) -low immune system (cortisol suppresses immune system) -fragile bones (cortisol bre...

______ ligands bind to _____ receptors and impact how the DNA is read. - hydrophobic intracellular Where can Cell A's receptor be found by Cell B's ligand? - - in intracellular fluid - in nucleus - on plasma membrane All of these are responses when a ______ binds to a _______. - muscle cell shortens - electrical distribution change could occur - ATP could be created from fats - ligand

Which is a correct statement about cross bridge cycling? A. actin does not initiate binding to myosin B. actin pulls myosin C. ATP's energy is used to unbind myosin and actin D. the release of ADP and Pi triggers the deflex - ️️A Correct statements about crossbridge cycling are that actin does not initiate binding to myosin, ATP's energy is not used to unbind myosin and actin, myosin pulls actin, and the release of ADP and Pi triggers the flex The load on a skeletal muscle has...

main component of plasma membrane, polar head, two nonpolar tails, spontaneous bilayer - ️️phospholipid in what order from largest to smallest are the fluid compartments? - ️️intracellular, interstitial fluid, plasma what is the barrier between IF and intracellular fluid? - ️️cell membrane what is the barrier between plasma and IF? - ️️capillary wall cation = ?/anion = ? - ️️positive, negative what are the three fluid compartments? - ️️Plasma, interstitial fluid, i...

Increase in osmolarity = more ________ present = smaller _______ present - ️️solute, water _______ gather info about NT; environmental stimuli - ️️dendrites When you have osmotic pressure, you must have what 2 components? - ️️1. semipermeable membrane 2. immobile membrane ____ & ____ are examples of carrier mediated. - ️️facilitated, active Primary active transport uses ATP _____ while secondary active transport uses ATP _____. - ️️directly, indirectly T or F: choles...

EEOB 2520 - Exam 1-6 "most missed" Questions with 100% Correct Answers | Latest Version 2024 | Verified which is a correct statement about our four equations? a) energy is required for the forward (i.e., not reverse) version of our equation 1 b) if our body temperature drops too low, our equation 2 will be increased c) our equation 3 in the reverse direction creates an acid issue d) via our equation 4 a sudden doubling of the blood volume in our heart means that the pressure will ...