Aman slips, falls and bangs the back of his head on the tile floor. the doctor tells him he has some minor swelling in the occipital lobe of his cerebrum. his doctor sends him home to rest and tells him that if there are any changes, he should come back in. what changes would be worrisome, given the area that was injured?
(a)- loss of vision
(b)- blurry vision
(c)- dizziness
(d)- all of the above

answer:   d. all of the above

explanation:   all of the symptoms are something that should not happen.

wegner's theory did not explain how the continents could move

explanation:

hypoxemia refers to a below usual concentration of oxygen in the blood, mainly in the arteries. hypoxemia is an indication of an issue associated with circulation or breathing and may lead to various symptoms like shortness of breath.  

the condition is identified by determining the level of oxygen in the blood sample obtained from an artery. it can also be predicted by determining the oxygen saturation of the blood with the application of a pulse oximeter.  

the normal arterial oxygen is about 75 to 100 mm hg. the values underneath 60 mm hg is generally considered with the requirement for supplemental oxygen. the normal pulse oximeter readings generally range between 95 to 100 percent. the values under 90 percent are regarded as low.  

in the given case, the oxygen saturation is measured at 93 percent, hence, there is no need to administer oxygen, that is, one should withhold oxygen.