Which cranial nerves lie within the pons?
What will be an ideal response?
(IV trochlear, V trigeminal, VI abducens, VII facial, VIII vestibulocochlear)
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The pulmonary plexus is a weblike network of nerve fibers that surrounds the primary bronchi and enters the lungs at the hilum. It consists of both sympathetic and parasympathetic fibers
Indicate whether this statement is true or false.
Answer the following statements true (T) or false (F)
1. The carbon dioxide that is exhaled reduces the amount of carbonic acid in the blood. 2. A decreased breathing rate reduces the amount of carbonic acid removed and causes a rise in the pH of the blood. 3. A decrease in breathing rate reduces the amount of carbonic acid removed and causes an increase of hydrogen ions in the blood. 4. Hyperventilation can cause acidosis. 5. Hyperventilation would remove more carbonic acid than normal and would cause a decrease in the hydrogen ion concentration.
What effect would increased cortisol levels have on blood glucose level?
A) Increased cortisol levels would increase blood glucose levels. B) Increased cortisol levels would decrease blood glucose levels. C) Increased cortisol levels would not affect blood glucose levels.
The ________ provides most of the Ca2+ needed for myocardial contraction
A) cytoskeleton B) mitochondria C) Golgi apparatus D) sarcoplasmic reticulum E) extracellular fluid