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24 Cards in this Set
- Front
- Back
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True or False:
Sodium is a principle element found in the cell. |
False
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Which electrolyte has the highest concentration inside the cell?
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Potassium
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True or False:
Total body water comprises approximately 40 Liters |
True
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True or False:
Oxygen participates in Anerobic respiration. |
False, Aerobic
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What are enzymes?
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Enzymes are proteins with special properties that allow them to accelerate chemical reactions in the cell.
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The plasma membrane is composed primarily of what?
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Proteins
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True or False:
Transmembrane protein channels may be highly selective for sodium, potassium, chloride or calcium. |
True.
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Anesthesia occurs after sufficient number of anesthtic molecules are dissolved in crucial hydrophobic sites such as bilipid cell membranes. What theory is this?
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Meyer-Overton Theory
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The capillary hydrostatic pressure has a mean capillary pressure of ____.
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17 torr
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What is the fluid occupying the spaces between organelles whose clear portion is called cytosol called?
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Cytoplasm
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As an anesthesia provider, the primary interest in agranular endoplasmic reticulum is ...
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Their involvement in the detoxification of substances that can be damaging to the cell.
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What is the major function of the golgi apparatus?
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To package secretory products of the cell, such as acetylcholine
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What is Tay-Sachs disease?
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A defect in the function of the lysosomes
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Without the mitochondria, more than ___ of the energy supply of the cell would cease immediately and the cell will die.
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95%
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If a patient receives to much nitroprusside and cyanide poisoning develops, what is the immediate treatment?
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Sodium thiosulfate
150 mg/kg IV administered over 15 minutes |
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One of the two main fluid compartments in the body is ?
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Intracellular compartment
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Because movement of a solute uphill is work, metabolic energy in the form of _____ must be provided.
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ATP
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True or False:
For each cycle of the Na+-K+ pump, more positive charge is pumped out of the cell than is pumped into the cell. |
True.
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The resting membrane potential in the myocardial cells is?
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-90 mv
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What is the absolute refractory period in action potentials?
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It is defined as no matter how great the stimulus, another action potential cannot be elicited.
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The pathophysiology of malignant hyperthermia is not clearly understood, but the primary derangement appears to be an abnormal release of what ion?
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Ca++
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Electrical synapses that allow current to flow from one excitable cell to the next via low resistance pathways between the cells are called gap junctions. These cells are primarily located where?
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In cardiac ventricular muscle and the uterus.
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An action potential in the motorneuron produces an action potential in the muscle fibers it innervates by the propagation of an action potential down the motorneuron. The electrolyte that causes release of the neurotransmitter acetylcholine within the neuromuscular juction is ______.
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Calcium
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Anticholinesterases such as neostigmine prevent degradation of ______.
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Acetylcholine
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