In Alzheimer patients, amyloid plaques may cause
a. a breakdown the blood-brain barrier
b. glutamate toxicity to neurons
c. degeneration of the neuron cell bodies
d. a breakdown in the blood-brain barrier and glutamate toxicity to neurons
e. glutamate toxicity to neurons and degeneration of the neuron cell bodies
E
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Which is an accurate description of glucose and sucrose?
A. Glucose is a monosaccharide, sucrose is a polysaccharide, both molecules are starches. B. Glucose is a disaccharide, sucrose is a glycolipid, both molecules are essential nutrients. C. Glucose is a disaccharide, sucrose is a monosaccharide, both molecules are lipids. D. Glucose is a monoamine, sucrose is a dipeptide, both molecules are acidic. E. Glucose is a monosaccharide, sucrose is a disaccharide, both molecules are carbohydrates.
To compensate for metabolic acidosis, the respiratory system increases breathing rate, which lowers the partial pressure of carbon dioxide below normal levels
Indicate whether this statement is true or false.
The hypothalamic-pituitary-adrenal pathway begins with secretion of ________ into the ________ and transported to the ________.
Fill in the blank(s) with the appropriate word(s).
By what week of prenatal development will the placenta be established?
A) week 4 B) week 8 C) week 12 D) week 16