Exam Bank for Schizophrenia- Questions Fully Solved Latest Update 2025

Exam Bank for Schizophrenia- Questions Fully Solved Latest Update 2025 _______ is a group of disorders marked by withdrawal from reality, illogical thinking, hallucinations, delusions, and emotional and behavioral disturbances. - Answers schizophrenia Schizophrenia is a devastating illness which causes a schizo, or ______ between a person's emotions, behaviors and cognitions - Answers split A patient with a first degree relative with schizophrenia has a (#) time risk of developing schizophrenia - Answers 10 T/F People who have schizophrenia are more likely to be born in the summer - Answers false (winter or early spring - Jan - april) Which of the following is false regarding epidemiology of schizophrenia? A) more prevalent in urban areas B) more prevalent in NE and western US C) associated with higher mortality rate D) more common in men vs women E) there is a greater risk of developing schizophrenia if born of father >60 years of age - Answers D (more common in men vs women - no gender preference) Approximately (#)% of patients with schizophrenia attempt suicide - Answers 50(%) (10-15% of patients complete suicide) Suicide is more common in the first (#) years of the illness - Answers 10 Schizophrenia is related to an excess of: A) serotonin B) dopamine C) norepinephrine - Answers B (dopamine) (however, Current hypotheses posit serotonin excess as a cause of both positive and negative symptoms in schizophrenia. The robust serotonin antagonist activity of clozapine and other second-generation antipsychotics coupled with the effectiveness of clozapine to decrease positive symptoms in chronic patients has contributed to the validity of this proposition) Delusions, hallucinations, hostility, and disorganized thinking are considered (positive / negative) symptoms of schizophrenia - Answers positive Blunted or manic affect, impairment in associations between thoughts and actions, autism, and ambivalence are considered (positive / negative) symptoms of schizophrenia - Answers negative (deficits in behavior | 4 A's) T/F The majority of schizophrenic patients smoke - Answers true (75% - Smoking is associated with an increased rate of metabolism of the antipsychotic drugs and a decrease in drug related parkinsonism) T/F Smoking may decrease positive symptoms in schizophrenia - Answers true What are the two most commonly abused substances in schizophrenia? A) cannabis B) heroin C) cocaine D) LSD - Answers A (cannabis) C (cocaine) Substance use is associated with a (good / poor) prognosis in schizophrenia - Answers poor 15-45% of which population is diagnosed with schizophrenia? A) elderly B) children C) homeless D) institutionalized - Answers C (homeless) T/F The cost of treating schizophrenia exceeds that of all combined cancers - Answers true (estimated 50 billion annually) The concordance rate for monozygotic twins in schizophrenia is approximately (#)% - Answers 50(%) (It is 15% in dizygotic twins) The dopamine theory of schizophrenia posits that schizophrenia results from too (much / little) dopaminergic activity - Answers much (based off the efficacy in antipsychotics which block dopamine receptors and in drugs that increase the amount of dopamine causing psychosis -- such as amphetamines and cocaine) All of the following are seen in schizophrenia, EXCEPT: A) Enlargement of the lateral and third ventricles B) Reduced symmetry in the temporal, frontal, and occipital lobes C) Increase in size of region involved with the Limbic system D) Abnormalities in Prefrontal Cortex (symptoms mimic lobotomies) - Answers C (DECREASED in size of region involved with the Limbic system) (Other abnormalities in the brains of schizophrenic patients include an inability to filter sounds, abnormal evoked potentials and abnormal eye movements - nystagmus) A patient presents with one month of grossly disorganized and catatonic behavior with ambivalence, social withdrawal (autism), and a blunted affect. Does he meet criteria A for schizophrenia? - Answers no (patient meets two of the criteria - grossly disorganized or catatonic behavior and negative symptoms - but must have either delusions, hallucinations, or disorganized speech as well) A patient must have continuous signs of the disturbance for how long before schizophrenia can be diagnosed? A) 1 month B) 6 months C) 12 months D) 2 years - Answers B (6 months -- This 6 months must include 1 month of symptoms) Pre-diagnosis, patients were noted to be quiet and passive, introverted with few friends as children, and avoidant of social activities. What phase of schizophrenia does this describe? A) prodromal phase B) premorbid phase C) active phase D) residual phase - Answers B (premorbid phase - signs and symptoms appear before the prodromal phase) (Patient may have been diagnosed as schizoid or schizotypal personalities) T/F Prodromal signs and symptoms are almost invariably recognized after diagnosis - Answers true Following diagnosis, you are speaking to your patient's wife and she reports the patient was noted to be declining at his job and started to become preoccupied with the existence of aliens before the onset of his psychosis. She states there was a change, but it wasn't something she really recognized until he was diagnosed with schizophrenia. What phase of schizophrenia does this describe? A) prodromal phase