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physiology week 7-14

study stack 2

QuestionAnswer
If the threshold potential is surpassed, the full peak of the action potential is always reached. True
The neurotransmitter(s) that inhibit(s) the conduction of pain impulses is(are): enkephalins.
In a healthy adult, a well-placed tap on the knee will result in a: stretch of the tendon, the quadriceps femoris, and thereby stimulation of the muscle spindles.
The type of membranous tissue that lines the heart and blood vessels is the endothelium
During pregnancy, what happens to the oxygenated blood returned from the placenta via the umbilical vein? It flows into the inferior vena cava.
Which gas law deals with the solubility of gases in solution? Henry
During inspiration, the expansion of the lungs causes: a decrease in alveolar pressure.
Which of the following combinations in arterial blood could cause an increase in the respiratory rate? Increased PCO2, decreased arterial pressure, decreased pH, decreased PO2
What percentage of this blood flow comes from the hepatic portal system? 80%
The final step in lipid transport by the intestines is the formation of chylomicrons.
Peristalsis is regulated in part by the intrinsic stretch reflexes. It is also thought to be stimulated by the hormone cholecystokinin (CCK)
Which of the following constitutes total lung volume? Residual volume and vital capacity
One hundred milliliters of arterial blood contains approximately what volume percent of oxygen? 20%
Created by: user-1991187
 

 



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