Which of the following treatments is NOT currently used in the treatment of erectile dysfunction?
A. Vasodilating drugs
B. Antianxiety medication
C. Surgical prosthetic implant
D. Vacuum device therapy
Answer: B
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Dr. Gonzalez, a medicinal chemist, and his team are developing a new class of highly effective and less addictive benzodiazepines. To ensure their effectiveness, she tests the drugs in a rat model by using the combined techniques of microdialysis and chromatography to measure levels of the neurotransmitter ____.
a. GABA c. dopamine b. glutamate d. norepinephrine
Which statement is supported by research on dominant and recessive diseases?
A) Children who inherit the dominant allele rarely develop the disorder. B) Males are more likely than females to inherit recessive disorders carried on the autosomes. C) Only rarely are serious diseases due to dominant alleles. D) The recessive allele has no effect on the individual’s characteristics.
Lack of remorse, which is a cardinal feature of antisocial personality disorder, characterizes all criminals
Indicate whether the statement is true or false
What is a threat to internal validity in which a participant's physical or psychological state changes over time during a study?
A. history effect B. maturation C. testing effect D. regression toward the mean