What is/are the mechanism(s) of action of methadone?
a. ? agonist
b. ? agonist
c. Antagonist at NMDA receptors
d. Serotonin and NE (norepinephrine) reuptake inhibition
e. All of the above
Answer: e. All of the above
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All epithelial tissue rests upon a(n) ________ composed of connective tissue.
Fill in the blank(s) with the appropriate word(s).
Answer the following statements true (T) or false (F)
1) Cells located in the stratum spinosum manufacture keratin. 2) Langerhans' cells are located in the stratum spinosum. 3) The stratum lucidum is found only in thick skin. 4) The stratum basale makes up the dead surface cells. 5) Stem cells divide within the stratum basale.
All of the bones of the skull, except the mandible, are united by sutures and are therefore immovable
Indicate whether the statement is true or false
Why is placenta previa dangerous?
A. It produces widespread vascular spasms. B. It increases blood clotting. C. It prevents the birth of the infant before the placenta. D. It causes hypertension.