ATI RN
Review of Systems Neurological Questions Questions
Question 1 of 5
Which lobe is most closely associated with visual processing?
Correct Answer: D
Rationale: The occipital lobe is the primary area of the brain responsible for visual processing. It contains the visual cortex, which processes information from the eyes and interprets it as images. Damage to the occipital lobe can result in visual impairments, such as blindness or difficulty recognizing objects. The occipital lobe works in conjunction with other brain regions to integrate visual information with other sensory inputs.
Question 2 of 5
When an individual displays a deficit in the comprehension of speech involving difficulties in recognising spoken words and converting thoughts into words is known as
Correct Answer: A
Rationale: Wernicke's aphasia is a language disorder characterized by difficulties in understanding spoken language and converting thoughts into coherent speech. Individuals with this condition may produce fluent but nonsensical speech and struggle to recognize spoken words. This condition results from damage to Wernicke's area, a region in the temporal lobe responsible for language comprehension.
Question 3 of 5
Early symptoms of variant Creutzfeldt-Jakob Disease (vCJD) include changes in mood, temperament and behaviour followed by impairments in memory and concentration, and confused thinking. The infectious agent in vCJD is thought to be which of the following?
Correct Answer: B
Rationale: Prions are abnormal, infectious proteins that cause neurodegenerative diseases like variant Creutzfeldt-Jakob Disease (vCJD). These proteins induce the misfolding of normal cellular proteins in the brain, leading to brain damage and the characteristic symptoms of vCJD, such as mood changes, memory loss, and cognitive decline. Prion diseases are incurable and ultimately fatal, making early detection and prevention critical.
Question 4 of 5
A sensory neuron of the peripheral nervous system take nerve impulses from sensory receptors to the ________ .
Correct Answer: D
Rationale: Sensory neurons in the peripheral nervous system (PNS) transmit nerve impulses from sensory receptors (e.g., in the skin, eyes, or ears) to the central nervous system (CNS), which includes the brain and spinal cord. These neurons play a crucial role in detecting external and internal stimuli, such as touch, temperature, and pain, and relaying this information to the CNS for processing and response.
Question 5 of 5
As the action potential swings down,
Correct Answer: A
Rationale: During the repolarization phase of an action potential, potassium ions move out of the axon, restoring the negative charge inside the neuron. This efflux of potassium ions helps return the membrane potential to its resting state after depolarization. The movement of potassium ions is facilitated by voltage-gated potassium channels, which open in response to the change in membrane potential.