Which one of the following drugs of abuse is chemically related to methamphetamine?
a. gamma hydroxy butyrate (GHB)
b. ketamine [special K]
c. phencyclidine (PCP)
d. 3,4-methylenedioxy-N-methylamphetamine (MDMA) [ecstasy]
Answer: d. 3,4-methylenedioxy-N-methylamphetamine (MDMA) [ecstasy]
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balanorrhea : Abnormal condition of _______ from the glans penis, a symptom of gonorrhea
Fill in the missing word in the definition for the key term.
Which of the following BEST encapsulates the findings of the Hozumi and Tonegawa experiments?
A. Every possible light chain that could be formed, in terms of receptor specificity, is encoded by a separate gene within the human genome. B. Light chains are produced by means of somatic rearrangement of germ-line DNA in B cells. C. The different light-chain variable regions are produced by means of alternative splicing of pre-mRNA that has been transcribed from a fixed, unchanging DNA sequence. D. Different light chains, each with unique specificity, are produced via the activity of alternative transcription factors that regulate antibody production at the level of transcription initiation. E. None of the above
Which of the following does NOT occur shortly following oligomerization of the BCR upon antigen binding?
A. Movement of the BCR complex into areas of the membrane called "lipid rafts" B. Positioning of Ig? and Ig? to allow for phosphorylation of their ITAM motifs C. Positioning of CD3 to allow for phosphorylation if its ITAM motifs D. Formation of clathrin-coated pits around BCR complex E. All of the above occur.
Treatment for aplastic anemia includes:
A) bone marrow transplantation. B) iron supplements. C) heparin. D) culture and sensitivity.