Medications to treat extrapyramidal side effects from antipsychotic medications, as well as drugs used to treat Parkinson's disease, achieve their therapeutic effects by:
A) enhancing the effects of acetylcholine, an inhibitory neurotransmitter, in the basal ganglia.
B) blocking the release of dopamine from the substantia nigra in the basal ganglia.
C) blocking the transmission of neural impulses through the pyramidal decussation of the brain.
D) increasing the amount of dopamine at the receptor sites in the basal ganglia.
D
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You respond to a motor vehicle collision in which a 22-year-old woman has suffered several cuts. You determine that the airway is patent and the patient is breathing adequately. The patient's blood pressure is maintaining at a stable level, and you estimate that she has lost approximately 10 percent of her circulating blood volume. She is alert and oriented but seems nervous. From these findings,
you would determine that your patient is in ________ hemorrhage. A) Class I B) Class II C) Class III D) Class IV
All of the following commonly used drugs would be typed as an illegal drug, EXCEPT ________.
A. heroin B. methamphetamine C. opium D. cocaine
Above is a graph of the therapeutic index of a drug. How many milligrams of this drug will produce an effective dose in 100% of the subjects tested?
A. 78 mg B. 60 mg C. 40 mg D. 38 mg
Patients receive the MOST benefit from continuous positive airway pressure (CPAP):
A. during the inhalation phase. B. during the exhalation phase. C. if their respiratory rate is greater than 30 breaths/min. D. when the PEEP setting is at least 10 cm/H2O.