All of the following are true about LSD EXCEPT
A) its effects are unpredictable.
B) it usually takes 30-90 minutes to take effect.
C) users sometimes have "flashbacks."
D) users cannot develop a tolerance to the drug.
Answer: D
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Particular nucleic acid sequences embedded in tissues can be detected using a technique called
A) Southern blotting. B) in situ hybridization. C) restriction fragment length polymorphism (RFLP) analysis. D) Northern blotting. E) Western blotting.
Loss of pain and temperature information from the left lower limb below the L4 dermatome, complete loss of discriminative touch and conscious proprioception information from the right lower limb below the L2 dermatome, and loss of voluntary control of the
right lower limb below the L2 dermatome indicates which one of the following? A. Brown-Séquard syndrome produced by a hemisection of the cord at L4 on the right side B. Brown-Séquard syndrome produced by a hemisection of the cord at L4 on the left side C. Brown-Séquard syndrome produced by a complete transection of the cord D. Brown-Séquard syndrome produced by a hemisection of the cord at L2 on the right side E. Brown-Séquard syndrome produced by a hemisection of the cord at L2 on the left side
A patient comes into the clinic with dry eyes and dry mouth but no joint pain. Which pattern of ANA staining would you expect?
a. peripheral b. nucleolar c. speckled d. homogeneous
The upper chamber of the heart are called the ________
Fill in the blank(s) with the appropriate word(s)