Neuropsychological Assessment — MCQs
Global cerebral dysfunction characterised by alteration in cognitive function and consciousness is known as
Hallpike test is done for
A 14-year-old boy has difficulty in expressing himself in writing and makes frequent spelling mistakes, does not follow instructions and cannot wait for his turn while playing a game. He is likely to be suffering from
All of the following are used to improve attention deficit in children, except which of the following?
Dementia of Alzheimer's type is not associated with one of the following
Glasgow coma scale includes all except
Which of the following is a characteristic feature of vascular dementia?
Which test produces characteristic crystals for the detection of semen?
What is the total score in the Mini Mental Status Examination (MMSE)?
Which among the following is the best method to assess adequacy of fluid resuscitation in a polytrauma patient:
Neuropsychological Assessment Indian Medical PG Practice Questions and MCQs
Question 1: Global cerebral dysfunction characterised by alteration in cognitive function and consciousness is known as
- A. Delirium (Correct Answer)
- B. Dementia
- C. Depression
- D. Acute anxiety
Explanation: ***Delirium*** - Delirium is characterized by an **acute onset** of global cerebral dysfunction, marked by fluctuations in **attention, consciousness, and cognition**. - It is a medical emergency that can be caused by various underlying medical conditions, medications, or substance withdrawal. *Dementia* - Dementia is a **chronic** and progressive decline in cognitive function, primarily affecting **memory, language, and problem-solving abilities**, without a primary disturbance of consciousness. - While it involves cognitive impairment, its onset is typically gradual, and it lacks the acute fluctuations and prominent consciousness alterations seen in delirium. *Depression* - Depression is a **mood disorder** characterized by persistent sadness, loss of interest, and other emotional and physical symptoms, which can affect concentration and memory. - It does not involve a primary alteration in consciousness or the acute, global cognitive dysfunction characteristic of delirium. *Acute anxiety* - Acute anxiety is a state of intense fear or uneasiness, often accompanied by physical symptoms like palpitations and shortness of breath. - While it can interfere with focus and concentration, it does not represent a global cerebral dysfunction or an alteration in consciousness in the way that delirium does.
Question 2: Hallpike test is done for
- A. Vestibular function (Correct Answer)
- B. Cochlear function
- C. Audiometry
- D. Eustachian tube function
Explanation: ***Vestibular function*** - The **Dix-Hallpike maneuver** is a diagnostic test used to identify **benign paroxysmal positional vertigo (BPPV)**, a disorder of the vestibular system. - It involves specific head and body movements to provoke dizziness and **nystagmus**, indicating otolith displacement in the semicircular canals. *Cochlear function* - **Cochlear function** relates to hearing, which is evaluated by tests like **audiometry** or **otoacoustic emissions**. - The Hallpike test does not assess the ability to perceive sound or the health of the cochlea. *Audiometry* - **Audiometry** is a hearing test that measures a person's ability to hear sounds at different frequencies and intensities, assessing the **degree and type of hearing loss**. - It is unrelated to assessing vertigo or balance disorders caused by semicircular canal pathology. *Eustachian tube function* - **Eustachian tube function** is assessed by tests like **tympanometry** or the **Valsalva maneuver**, which evaluate middle ear pressure equalization. - The Hallpike test does not assess Eustachian tube patency or function.
Question 3: A 14-year-old boy has difficulty in expressing himself in writing and makes frequent spelling mistakes, does not follow instructions and cannot wait for his turn while playing a game. He is likely to be suffering from
- A. Examination anxiety
- B. Lack of interest in studies
- C. Intellectual disability
- D. Specific learning disability (Correct Answer)
Explanation: ***Specific learning disability*** - Difficulty in expressing himself in **writing** and **frequent spelling mistakes** are hallmark features of a **specific learning disability** affecting written expression (**dysgraphia**). - These academic skill deficits are the primary presenting features and indicate a **specific learning disorder** as per DSM-5 criteria. - The inability to follow instructions and difficulty waiting for turns suggest **comorbid ADHD**, which occurs in 30-50% of children with learning disabilities. - When both conditions coexist, the **learning disability** is typically identified first in school-aged children through academic difficulties, making it the most likely primary diagnosis in this clinical scenario. *Examination anxiety* - Examination anxiety manifests as psychological distress **specifically during test situations** (nervousness, worry, physical symptoms like sweating or rapid heartbeat). - It does not explain **persistent difficulties** with writing, spelling, following instructions, or impulse control across multiple settings (school and play). - The symptoms described occur in everyday activities, not just during examinations. *Lack of interest in studies* - Lack of interest or motivation leads to **poor effort** and **disengagement**, but not to specific skill deficits like spelling mistakes or writing difficulties. - Children with low motivation can typically perform adequately when interested, unlike those with learning disabilities who struggle despite effort. - This option doesn't account for the **impulsivity** (cannot wait for turn) which suggests a neurobiological basis rather than motivational issues. *Intellectual disability* - Intellectual disability involves **global cognitive impairment** affecting all areas of functioning with IQ typically below 70. - The pattern described shows **specific deficits** in writing and spelling (academic skills) alongside behavioral regulation issues, rather than pervasive intellectual limitations. - Children with intellectual disability would show broader developmental delays across multiple domains (communication, self-care, social skills), not just circumscribed learning and behavioral difficulties.
Question 4: All of the following are used to improve attention deficit in children, except which of the following?
- A. Cognitive enhancement therapy
- B. Cognitive behavioral therapy
- C. Cognitive remediation therapy
- D. Flooding (Correct Answer)
Explanation: ***Flooding*** - **Flooding** is a behavioral therapy technique used to treat phobias and anxiety disorders by exposing an individual to a feared stimulus without avoidance. It is not used to improve attention deficit. - This method is based on the principle of **extinction** and habituation, aiming to reduce the anxiety response to previously feared situations. *Cognitive enhancement therapy* - **Cognitive enhancement therapy** (CET) focuses on improving cognitive functions like attention, memory, and social cognition, often used in conditions like schizophrenia. - It involves structured exercises and group activities designed to strengthen **neurocognitive abilities**. *Cognitive behavioral therapy* - **Cognitive behavioral therapy** (CBT) helps individuals identify and change problematic thought patterns and behaviors that contribute to their difficulties. - While not directly targeted at attention deficit, CBT techniques can help children with ADHD manage **disruptive behaviors**, improve organizational skills, and develop coping strategies. *Cognitive remediation therapy* - **Cognitive remediation therapy** (CRT) is a behavioral training intervention designed to improve cognitive skills, including attention, working memory, and executive functions. - It uses targeted exercises and strategies to enhance **neurocognitive performance**, often applicable in conditions like ADHD and schizophrenia.
Question 5: Dementia of Alzheimer's type is not associated with one of the following
- A. Delusions
- B. Apraxia and aphasia
- C. Cerebral infarcts (Correct Answer)
- D. Depressive symptoms
Explanation: ***Cerebral infarcts*** - **Cerebral infarcts** are characteristic of **vascular dementia**, where brain damage is caused by reduced blood flow due to stroke or transient ischemic attacks. - While an individual with Alzheimer's could coincidentally have a stroke, **cerebral infarcts** are not a primary neuropathological feature or an expected clinical association inherent to the progression of Alzheimer's disease itself. *Delusions* - **Delusions**, particularly paranoid delusions (e.g., believing caregivers are stealing from them), are relatively common **psychotic symptoms** that can occur in later stages of Alzheimer's disease. - They are considered a behavioral and psychological symptom of dementia (BPSD) and can significantly impact the patient's and caregiver's quality of life. *Apraxia and aphasia* - **Apraxia** (difficulty with motor tasks despite intact motor function) and **aphasia** (language difficulties) are core **cognitive symptoms** that define Alzheimer's dementia. - These are progressive deficits in executive function, language, and motor skills that lead to functional impairment. *Depressive symptoms* - **Depressive symptoms**, including apathy, anhedonia, and low mood, are highly prevalent in individuals with Alzheimer's disease, particularly in the earlier stages. - They can be a reaction to the cognitive decline and loss of independence, or a direct result of the neurodegenerative process affecting mood-regulating brain regions.
Question 6: Glasgow coma scale includes all except
- A. Swallowing reflex (Correct Answer)
- B. Motor response
- C. Eye opening
- D. Verbal response
Explanation: ***Swallowing reflex*** - The **Glasgow Coma Scale (GCS)** assesses **neurological function** through **eye opening**, **verbal response**, and **motor response**. [1] - The swallowing reflex is an **involuntary brainstem reflex** used to assess a patient's ability to protect their airway but is not a component of the GCS. [2] *Motor response* - This component evaluates a patient's ability to **obey commands**, localize pain, withdraw from pain, or exhibit abnormal flexion/extension. - It is one of the three main categories used to score a patient's consciousness level in the GCS. [1] *Eye opening* - This component assesses a patient's **spontaneous eye-opening** or opening in response to speech or pain. - It provides an indication of **arousal** and a patient's level of consciousness within the GCS. [1] *Verbal response* - This component evaluates a patient's ability to speak, assessing whether they are **oriented**, confused, or making inappropriate sounds. - It is crucial for understanding a patient's **cognitive function** and is one of the three parameters in the GCS. [1]
Question 7: Which of the following is a characteristic feature of vascular dementia?
- A. Memory deficits
- B. Emotional lability
- C. Stepwise progression of cognitive decline (Correct Answer)
- D. All of the options
Explanation: ***Stepwise progression of cognitive decline*** - **Vascular dementia** often results from multiple small strokes or ischemic events, leading to an abrupt worsening of cognitive function followed by periods of stability, hence the **stepwise decline**. - This pattern differentiates it from the more gradual and continuous deterioration seen in other dementias like **Alzheimer's disease**. *Memory deficits* - While memory problems are common in **vascular dementia**, they are also a hallmark of many other types of dementia, particularly **Alzheimer's disease**. - Therefore, **memory deficits** alone are not a *characteristic* feature that specifically distinguishes vascular dementia from other forms. *Emotional lability* - **Emotional lability**, or rapid and exaggerated changes in mood, can occur in **vascular dementia** due to damage to frontal lobe pathways. - However, it is not a *defining* characteristic unique to vascular dementia and can be present in other neurological conditions or dementias. *All of the options* - While **memory deficits** and **emotional lability** can be present in **vascular dementia**, the **stepwise progression** is the most *characteristic* and diagnostic feature. - The other options are either too general or not specific enough to uniquely define vascular dementia compared to other types of dementia.
Question 8: Which test produces characteristic crystals for the detection of semen?
- A. Acid phosphatase test
- B. Florence test
- C. Barberio's test (Correct Answer)
- D. PSA test
Explanation: ***Barberio's test*** - This test is specifically used for the **microscopic detection of seminal fluid** by producing **characteristic spermine picrate crystals**. - It involves the addition of a **saturated picric acid solution** to a semen stain extract, leading to the formation of distinct **yellow, needle-like crystals** that are diagnostic. - It is a **confirmatory microscopic crystal test** that provides visual evidence of semen presence. *Acid phosphatase test* - This is a **presumptive test for semen** that relies on the detection of high levels of acid phosphatase, an enzyme found in seminal fluid. - While it indicates the *possible* presence of semen, it is **not confirmatory** as acid phosphatase can be found in other bodily fluids and vegetable matter. - Does **not produce crystals** for identification. *Florence test* - The Florence test is a **presumptive crystal test** that detects choline in semen, forming dark brown, rhombic crystals of choline periodide. - However, it is **not specific for semen** because choline can be found in other biological materials and vaginal secretions. - Less reliable than Barberio's test for semen confirmation. *PSA test* - The **prostate-specific antigen (PSA) test** is a highly specific **immunological confirmatory test** for human semen. - It detects the glycoprotein PSA (P30) produced by the prostate gland. - However, it does **not produce crystals** and uses different methodology (immunochromatography/ELISA).
Question 9: What is the total score in the Mini Mental Status Examination (MMSE)?
- A. 25
- B. 32
- C. 30 (Correct Answer)
- D. 35
Explanation: ***Correct: 30*** - The **Mini Mental State Examination (MMSE)** is a 30-point questionnaire used to screen for **cognitive impairment** and monitor changes in cognitive function over time. - The score is calculated by summing points for correct responses across various cognitive domains such as **orientation**, **attention**, **memory**, **language**, and **visuospatial skills**. - This is the **maximum total score** achievable on the MMSE. *Incorrect: 25* - A score of 25 in the MMSE is significantly below the maximum, and depending on age and education, it often suggests **mild cognitive impairment** or early **dementia**. - While 25 is a possible score a patient can achieve, it is not the **maximum total score** for the examination itself. *Incorrect: 32* - The MMSE is standardized to have a maximum score of **30**, so 32 is higher than the possible range for this particular cognitive assessment tool. - No domain in the MMSE allows for a score that would lead to a total of 32 points. *Incorrect: 35* - Like 32, a score of 35 is beyond the **maximum achievable score** on the MMSE. - This indicates a misunderstanding of the MMSE's scoring rubric, as the highest possible score is **30 points**.
Question 10: Which among the following is the best method to assess adequacy of fluid resuscitation in a polytrauma patient:
- A. CVP
- B. Pulse rate
- C. Urine output (Correct Answer)
- D. BP
Explanation: ***Urine output*** - **Urine output** is a direct and real-time reflection of **renal perfusion**, which is highly sensitive to changes in circulating blood volume and cardiac output in trauma patients. - Maintaining a urine output of **0.5-1 mL/kg/hr** is generally accepted as a key indicator of adequate fluid resuscitation and organ perfusion in polytrauma. *CVP* - **Central Venous Pressure (CVP)** can be influenced by multiple factors beyond fluid status, such as **intrathoracic pressure**, **venous tone**, and **right ventricular function**, making it an unreliable sole indicator. - While it offers some insight into preload, CVP measurements alone do not provide a direct and dynamic assessment of **end-organ perfusion** in trauma. *Pulse rate* - **Pulse rate** is a non-specific indicator that can be affected by pain, anxiety, medications, and other systemic responses beyond fluid status in polytrauma. - While **tachycardia** often suggests hypovolemia, a normal pulse rate does not guarantee adequate fluid resuscitation, especially in patients with compensatory mechanisms. *BP* - **Blood pressure (BP)** is a relatively late indicator of hypovolemia in trauma, as compensatory mechanisms can maintain BP near normal despite significant blood loss. - Relying solely on BP can lead to delayed recognition of **inadequate resuscitation** and potential end-organ damage.
Want unlimited practice?
Get full access to all questions, explanations, and performance tracking.
Start For Free