PRELIMS: Reviewerzzzz Flashcards
This term refers to a false sensory perception not based on natural stimulation of a sensory receptor.
Illusion
Hallucination
Delusion
Agnosia
Hallucination
Which part of the brain is primarily associated with calculation abilities?
Frontal lobe
Temporal lobe
Left angular gyrus
Occipitallobe
Left angular gyrus
A patient shows emotional lability, frequently switching between crying and laughing. Which aspect of the mental status examination would this be assessed under?
Intellectual capacity
Streamoftalk
Mood and affective responses
Content of thought
Mood and affective responses
Apatient is unable to draw the left side of a clock face. Which type of dysfunction does this indicate?
A. Apraxia
B. Hemispatial inattention
C. Agnosia
D. Dysarthria
B. Hemispatial inattention
A patient cannot perform a sequence of actions such as threading a needle, despite having intact motor and sensory systems. Which condition does this suggest?
A. Dysarthria
B. Apraxia
C. Agnosia
B. Apraxia
During a neurologic exam, a patient is asked ot folow the examiner’s finger with their eyes without moving their head. Which cranial nerves are primarily being assessed?
A. CN I, II, III
B. CN III, IV, VI
C. CN V, VI, VI
D. CN VI I, VI I I, XI
B. CN III, IV, VI
A patient shows signs of prosopagnosia. Which brain region is most likely affected?
A. Right parietal lobe
B. Left temporal lobe
C. Inferomedial temporo-occipital region
D. Left frontal lobe
C. Inferomedial temporo-occipital region
A patient is unable to recognize familiar objects by touch but has intact sensory pathways. What condition does this suggest?
A. Apraxia
B. Agnosia
C. Dysphasia
D. Anosognosia
B. Agnosia
A physical therapist notices that a patient with suspected right parietal lobe lesion neglects their left side during tasks. What is the most appropriate test to further evaluate this condition?
A. Two-point discrimination lest
B. Line bisection test
C. Heel-to-loe walking
D. Finger-to-nose test
B. Line bisection test
A patient complains of numbness in a specific dermatome following a spinal injury. Which examination technique would be most appropriate?
A. Testing for sacral sensation
B. Conducting a Romberg test
C. Sensory testing of each dermatome
C. Sensory testing of each dermatome
Which sensory receptor is responsible for detecting deep pressure and vibration?
A. Merkel’s discs
B. Meissner’s corpuscles
C. Pacinian corpuscles
D. Ruffini endings
C. Pacinian corpuscles
Which spinal pathway is primarily involved in transmitling pain and temperature sensations?
A. Dorsal column-medial lemniscal pathway
B. Anterolateral spinothalamic pathway
C. Corticospinal tract
D. Reticulospinal tract
B. Anterolateral spinothalamic pathway
)A term that describes the sensation of pain originating from a stimulus that would not normally provoke pain.
A. Hyperesthesia
B. Allodynia
C. Hypoesthesia
D. Analgesia
B. Allodynia
During a sensory examination, a patient is unable to feel light touch on the tips of their fingers but can feel it on their palms. Which spinal tract is likely compromised?
A. Anterolateral spinothalamic tract
B. Dorsal column-medial lemniscal tract
C. Corticospinal tract
D. Rubrospinal tract
B. Dorsal column-medial lemniscal tract
A patient is asked to identify an object placed in their hand without looking at it. This test evaluates which type of sensation?
A. Proprioception
B. Stereognosis
C. Graphesthesia
D. Kinesthesia
B. Stereognosis
Describe the significance of the labeled line principle in sensory perception.
A. It refers to the ability of the brain to filter and integrate sensory information.
B. It indicates that each type of sensory nerve fiber is sensitive lo a single modality of sensation.
C. It describes the cross-connections between different sensory modalities.
B. It indicates that each type of sensory nerve fiber is sensitive lo a single modality of sensation.
Differentiate between the functions of the anterolateral spinothalamic pathway and the dorsal column-medial lemniscal pathway.
A. The anterolateral spinothalamic pathway transmits discriminative touch and proprioception, while the dorsal column-medial lemniscal pathway transmits pain and temperature
B. The anterolateral spinothalamic pathway transmits pain and temperature, while the dorsal column-medial lemniscal pathway transmits discriminative touch and proprioception.
C. Both pathways transmit all types of sensory information to the brain.
B. The anterolateral spinothalamic pathway transmits pain and temperature, while the dorsal column-medial lemniscal pathway transmits discriminative touch and proprioception.
Explain the significance of testing the patient’s ability to recognize texture during a sensory examination.
A. It assesses the patient’s memory function.
B. It evaluates the combined cortical sensations which require intact exteroceptive and proprioceptive receptors.
C. It tests for deep sensation capabilities.
D. It measures the patient’s pain threshold.
B. It evaluates the combined cortical sensations which require intact exteroceptive and proprioceptive receptors.
Explain the significance of testing the patient’s ability to recognize texture during a sensory examination.
A. It assesses the patient’s memory function.
B. it evaluates the combined cortical sensations which require intact exteroceptive and proprioceptive receptors.
C. It tests for deep sensation capabilities.
D. It measures the patient’s pain threshold.
B. it evaluates the combined cortical sensations which require intact exteroceptive and proprioceptive receptors.
Which nerve fibers are primarily responsible for transmitting sharp, acute pain?
A. A-alpha fibers
B. A-delta fibers
C. C fibers
D. B fibers
B. A-delta fibers
Which tract is involved in the voluntary control of distal musculature?
A. Corticospinal tract
B. Rubrospinal tract
C. Vestibulospinal tract
D. Reticulospinal tract
A. Corticospinal tract
What is the function of the basal ganglia in motor control?
A. To initiate and regulate voluntary movement
B. To process sensory information
C. To control autonomic functions
D. To regulate endocrine functions
A. To initiate and regulate voluntary movement
Which type of muscle fiber is characterized by high endurance and slow contraction speed?
A. Type I fibers
B. Type Ila fibers
C. Type Ilb fibers
D. Type Ill fibers
A. Type I fibers
What is the primary neurotransmitter involved in neuromuscular junctions?
A. Dopamine
B. Serotonin
C. Acetylcholine
C. Acetylcholine
Describe the difference between upper motor neurons (UMNs) and lower motor neurons (LMNs).
A. UMNs directly innervate muscles, while LMNs are located in the brain.
B. UMNs originate in the brain and spinal cord, while LMNs directly innervate muscles.
C. UMNs are involved in reflexes, while LMNs are involved in voluntary movements.
B. UMNs originate in the brain and spinal cord, while LMNs directly innervate muscles.
This term refers to the capacity of the CNS to adapt, change, and repair itself in response to injury or new experiences.
A) Motor Plan
B) Neural Plasticity
C) Motor Program
D) Feedback Control
B) Neural Plasticity