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Assignment StudySt2

Human Physiology

QuestionAnswer
During a relative refractory period: the action potential can be initiated with a strong stimulus.
The active transport mechanism in the plasma membrane that transports sodium and potassium ions in opposite directions and at different rates is the sodium-potassium pump.
No impulse can be sent through a neuron: during the absolute refractory period.
Which is not true of the hormone somatostatin? It stimulates the secretion of insulin.
The chemoreceptors in the carotid bodies are particularly sensitive to: hypercapnia.
During pregnancy, what happens to the oxygenated blood returned from the placenta via the umbilical vein? It flows into the inferior vena cava.
_______ is the only antibody class with the ability to cross the placental barrier, providing passive immunity to the developing fetus during pregnancy. IgG.
Internal respiration can be defined as: the exchange of gases between the blood capillaries and the tissue cells.
The sodium cotransport or coupled transport acts to transport sodium ions and glucose molecules _____ the GI lumen. passively out of
Glucose moves from the GI tract into the circulatory system by the process of: cotransport.
Created by: Harpreetk86
 

 



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