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Dopamine receptor: Quiz


Question 1: For example, the D4.7 alleles have an established association with ________.
Major depressive disorderSchizophreniaAttention-deficit hyperactivity disorderBipolar disorder

Question 2: With antipsychotics, associated upregulation can cause ________ (fine muscles, like the face, twitch involuntarily), or just plain dyskinesia (same but only temporary).
AkathisiaTourette syndromeTardive dyskinesiaDopamine

Question 3: Dopamine receptors control neural signaling that modulates many important behaviors, such as spatial ________.
Working memoryPsychogenic amnesiaExceptional memoryLong-term memory

Question 4: Dopamine receptors are present along the nephron in the kidney, with proximal tubule ________ showing the highest density.
HistologyEpitheliumMicrovillusStratified squamous epithelium

Question 5: Activation of D2-like family receptors is coupled to the ________ Gαi, which directly inhibits the formation of cAMP by inhibiting the enzyme adenylate cyclase.
Plasma membrane Ca2+ ATPaseG proteinRas (protein)GTPase

Question 6: While there is evidence that the dopamine system is involved in ________, the theory that hyperactive dopaminergic signal transduction induces the disease is controversial.
Bipolar disorderMajor depressive disorderSchizophreniaMental disorder

Question 7: Maximum expression of dopamine D3 receptors is noted in the ________ and nucleus accumbens.
Grey matterIslands of CallejaCerebrumHippocampus

Question 8: The D4.7 allele has suppressed ________ compared to other variants.
DNAProteinRNAGene expression

Question 9: Drugs used to treat ADHD, including methylphenidate and ________, have significant effects on dopamine signaling in the brain.

Question 10: Additionally, many ________ drugs target dopamine receptors, especially D2 receptors.

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