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Physio pt2

week 7-13

QuestionAnswer
The fastest nerve fibers in the body can conduct an impulse that is how much faster than the slowest fibers in the body? Almost 300 times faster
Which is true of an action potential? The outside of the plasma membrane is negatively charged, and the inside is positively charged.
Acetylcholine is in the same class of neurotransmitters as: none of the above
All of the following cranial nerves are involved in proprioception except the: vagus.
Which of the following is true about pain receptors? Alpha fibers are associated with sharp, localized pain.
The receptors responsible for sensing crude and persistent touch are the: Ruffini corpuscles.
Dynamic equilibrium depends on the functioning of the crista ampullaris.
During pregnancy, what happens to the oxygenated blood returned from the placenta via the umbilical vein? It flows into the inferior vena cava.
The vagus is said to act as a “brake” on the heart. This situation is called vagal inhibition.
The chemoreceptors in the carotid bodies are particularly sensitive to: hypercapnia.
The functions of the lymph nodes are defense and hematopoiesis.
Which antibody is synthesized by immature B cells and then inserted into their plasma membranes? immunoglobulin M
The PCO2 in alveolar air is _____ blood. less than in the systemic venous equal to the systemic arterial
External respiration can be defined as: the exchange of gases between the lung and the blood capillaries in the lung. pulmonary ventilation.
The hormone that inhibits gastric muscle, slowing passage of food into the duodenum, is called: gastric inhibitory peptide.
Which of these is not an example of mechanical digestion? Moistening the food
The hormone thought to be a messenger causing release of digestive enzymes from the intestinal mucosa is: vasoactive intestinal peptide.
Created by: user-1990267
 

 



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