Jahasz-Pocsine and co-workers found a correlation between gastric bypass surgery and neurological complications. Surgeons performed gastric bypass surgery on 150 patients at the University of Arkansas for Medical Sciences Neurology Clinic
Of the 150 patients, 26 experienced neurological complications related to the surgery. What is the most likely cause for the neurological complications? A) sudden weight loss and caloric deficiency interfering with neurological function
B) nutrient (for example, vitamin and mineral) deficiencies
C) sloppy surgical technique of physicians performing the bypass surgery
D) infections following surgical intervention
B
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The adaptive immune response may be described as
all of the following EXCEPT a. specific. b. essential. c. responsive. d. generalized. e. effective.
Prior to the work of Lyell and Darwin, the prevailing belief was that Earth is _____
A) a few thousand years old, and populations are unchanging B) a few thousand years old, and populations gradually change C) millions of years old, and populations rapidly change D) millions of years old, and populations are unchanging
A man has been standing in one place without moving for a long time. You walk by and notice that his ankles are swollen. What is a likely explanation for this observation?
A) Since the man has not flexed his leg muscles, blood has not moved upward through the veins so it stays pooled at his ankles. B) The man's blood pressure has likely increased because of inactivity, and thus the blood has pooled at his ankles. C) Since the man hasn't flexed his leg muscles, blood has not moved upward through the arteries so it stays pooled at his ankles. D) The man's heart rate has likely increased because of inactivity, and thus the blood has pooled at his ankles.
Within the chordate classes, the unique characteristic of the class Aves is:
a. flight. b. production of uric acid. c. feathers. d. endothermy. e. a forked tongue