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WEEK 7-13 PHYSIOLOGY

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Question
Answer
show The sodium pump has moved Na+ to the outside of the plasma membrane.  
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Which neuron could transmit a nerve impulse the fastest?   show
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show Sensory stimuli  
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Severe depression can be caused by a deficit in certain brain synapses of:   show
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A synaptic knob would be located on a(n):   show
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The neurotransmitter(s) that inhibit(s) the conduction of pain impulses is(are):   show
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show saltatory conduction.  
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Excitatory neurotransmitters are most likely to:   show
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Movement of the membrane potential away from zero (below the usual RMP) is called   show
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The part of the brain that can directly influence or inhibit the release of hormones from the pituitary is the:   show
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show nicotinic  
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How does a dually innervated autonomic effector differ from a singly innervated autonomic effector?   show
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T/F: The parasympathetic and sympathetic divisions always act with a cooperative influence, and through summation of the impulses, the effect can be increased.   show
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Damage to the _____ nerve could make the diaphragm unable to function.   show
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Nerve impulses over the _____ nerve cause increased peristalsis and decreased heart rate.   show
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Which of the following is a description of the principle of autonomic antagonism as it relates to the autonomic nervous system?   show
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In comparison with the nervous system, the regulatory effects of the endocrine system are:   show
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show Ruffini corpuscles.  
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When a small amount of one hormone allows a second hormone to have its full effect, the phenomenon is called:   show
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Dynamic equilibrium depends on the functioning of the   show
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show malleus, incus, and stapes.  
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show tectorial  
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The clear and potassium-rich fluid that fills the labyrinth is   show
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Which of the following statements is not true of the pineal gland?   show
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The mechanisms of which three hormones work together to regulate blood volume?   show
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show Hematocrit  
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show polycythemia.  
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Which are the two baroreceptors that are located near the heart?   show
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show Tricuspid  
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show vasodilation.  
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The chemoreceptors in the carotid bodies are particularly sensitive to:   show
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Recognition of antigens by antibodies occurs when an   show
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show phagocytosis.  
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show IgD  
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Molecules formed by the reactions of the complement cascade assemble themselves on the enemy cell’s surface, which results in   show
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Chemotaxis is the process by which a cell navigates toward the source of the chemotactic factor by way of   show
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Pyrogen molecules trigger the fever response by promoting the production of   show
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The movement of phagocytes from blood vessels to an inflammation site is called   show
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show fluid balance and immunity.  
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show inspiratory reserve volume, tidal volume, and expiratory reserve volume.  
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show Increased cellular respiration occurs during exercise, causing a rise in plasma PCO2, which is detected by central chemoreceptors in the brain and perhaps peripheral chemoreceptors in the carotid sinus and aorta to cause an increase in respiration rate.  
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show Tidal volume  
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The PCO2 in the atmosphere is:   show
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Standard atmospheric pressure is _____ mm Hg.   show
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show Residual volume and vital capacity  
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show Increased PCO2, decreased arterial pressure, decreased pH, decreased PO2  
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Which of the following is not a regulated process associated with the functioning of the respiratory system?   show
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Which gas law deals with the solubility of gases in solution?   show
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The function of the vibrissae in the vestibule is to:   show
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show inhibition of gastric peristalsis.  
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The hormone thought to be a messenger causing release of digestive enzymes from the intestinal mucosa is:   show
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Which of the following is a disaccharide?   show
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The sodium cotransport or coupled transport acts to transport sodium ions and glucose molecules _____ the GI lumen.   show
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show secretin  
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show using water to split larger compounds into smaller ones.  
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The substances absorbed into the lymph capillaries are:   show
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Which phase(s) of gastric secretion is(are) stimulated by the sight, taste, and smell of food?   show
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show portal vein  
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show amylase  
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