All the following are part of big five traits of personality except:

Correct Answer: C

Rationale: Reaction formation , which is not a Big Five trait. The Big Five (OCEAN) are Openness, Conscientiousness, Extroversion, Agreeableness, and Neuroticism (opposite of emotional stability, A). Reaction formation is a Freudian defense mechanism converting unwanted impulsinto opposit(e.g., hate to love) not a trait. ChoicA-D are core traits: emotional stability reflects calm vs. anxiety; extroversion sociability; openness imagination; agreeableness cooperation. psychoanalytic origin contrasts with the empirical, descriptive Big Five model (Costa & McCrae), used in personality research, making it the exception and correct answer.

Correct Answer: B

Rationale: Consulting a doctor . Illness behavior involvactions taken in response to symptoms (e.g., seeking care), per Mechanics model. Choice A (depression) is a psychological state, not behavior. Choice C (headache) and D (fever) are symptoms, not actions. (loss of appetite) is a physiological response, not behavior. Bs truth consulting a doctor is a proactive step, common in health-seeking studidistinguishit from the symptom-based or state-based A, C, D, E, making it the correct answer.

Correct Answer: A

Rationale: Gender identity . Gender identity is oninternal sense of being male, female, or other, independent of biology, per psychological definitions. Choice B (sexual orientation) is attraction, not identity. Choice C (sex-role perception) isnt a standard term likely a distractor. Choice D (gender role) is societal behavior expectations, not self-view. (sexual scripting) relatto sexual behavior patterns. As truth identity as self-concept, stable by age 3 (Kohlberg) distinguishit from attraction , rol, or scripts , making it the correct answer.

Correct Answer: D

Rationale: Glutamate . Glutamate is the primary excitatory neurotransmitter, driving most CNS synaptic activity, per neuroscience (e.g., 80% of cortical synapses). Choice A (GABA) is inhibitory, calming neurons. Choice B (dopamine) modulatreward, not broad excitation. Choice C (norepinephrine) enhancarousal, not primary excitation. (serotonin) regulatmood, not excitation. Ds truth glutamatrole in learning, memory (e.g., NMDA receptors) distinguishit from the inhibitory or modulatory (B, C, E) roles, making it the correct answer.

Correct Answer: C

Rationale: Unconscious motiv. Psychoanalysis (Freud) posits behavior stems from unconscious driv(e.g., libido), resolved via therapy. Choice A (social attitudes) fits social psychology. Choice B (learning) is behaviorism. Choice C (evolution) aligns with evolutionary psychology. Choice D (neurochemistry) is biological psychology. truth unconscious motivas the core, seen in Freuds id/ego/superego model distinguishit from the external (A, B) or biological (C, D) explanations, making it the correct answer.