What kind of disorder is major depressive disorder?
An anxiety disorder
A personality disorder
A mood disorder
A psychotic disorder
The Correct Answer is C
A. Anxiety disorders involve excessive fear or worry, which is not the primary symptom of MDD.
B. Personality disorders involve enduring patterns of behavior and inner experience that deviate markedly from expectations, which is not the case with MDD.
C. Major depressive disorder is a mood disorder characterized by persistent feelings of sadness, hopelessness, and a lack of interest in activities.
D. Psychotic disorders involve symptoms like delusions or hallucinations, which are not typical of MDD.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Both operant and classical conditioning involve observable stimuli and responses. In classical conditioning, a neutral stimulus is paired with an unconditioned stimulus to elicit a conditioned response. In operant conditioning, behaviors are influenced by consequences like reinforcement or punishment.
B. They are complementary rather than competing concepts, each explaining different types of learning. Classical conditioning deals with associations between stimuli, while operant conditioning deals with consequences of behavior.
C. Both classical and operant conditioning apply to both human and nonhuman behavior, not exclusively one or the other.
D. While classical conditioning can involve learned responses to fear, it is not the sole focus of either conditioning type, which can apply to a wide range of behaviors.
Correct Answer is C
Explanation
A. The cerebellum is primarily involved in motor control, balance, and coordination rather than regulating wakefulness.
B. The amygdala is involved in emotion regulation, particularly fear and anxiety, rather than maintaining wakefulness.
C. The reticular activating system (RAS) plays a crucial role in maintaining alertness and wakefulness by regulating the sleep-wake cycle and cortical arousal.
D. The hypothalamus plays a role in regulating various autonomic functions and the sleep-wake cycle but is not as directly responsible for maintaining wakefulness as the RAS.
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