Practice quiz Flashcards
The “where” speech path carries signals from the PAC to the ipsilateral parietal lobe. This is an example of…
association fibers
Describe the function of Wernicke’s area
Comprehension and formulation of language
Describe a lesion in Broca’s area
Only uses the main or necessary words of a sentence
Describe a lesion in Wernicke’s area
The combination and order of the words selected is meaningless and makes no sense
Describe a lesion in Broca’s and Wernicke’s area
Unable to comprehend what he hears or reads, cannot write, and in addition is unable to formulate language
What is the one of the main structures of the limbic system, along with the hippocampal formation?
Amygdala
The limbic system helps to produce a physiologic response appropriate for a(n) ___ situation.
Emotional
What kind of disease is Alzheimer’s dimentia?
Degenerative
What is the function of the hypothalamus?
Control appetite and fluid balance
Control sleep
Control body temperature
The hypothalamus operates largely through its influence on what gland?
Pituitary
What is the main function of the hippocampal formation?
Consolidation of short term memory into long term memory
What structure is closely involved in the function of the limbic system?
Hypothalmaus
What is an accurate description of the primary symptoms of Alzheimer’s disease?
Inability to form new memories
Why is the hypothalamus critical to human flourishing?
It is crucial to functions of survival and reproduction
What hormones are released by the posterior pituitary?
Oxytocin and ADH
Neuroplasticity beyond early development involves LTP and LTD, two processes which are a kind of ___.
Synapse modification
What type of memory lasts up to a few seconds?
Sensory
Short term memory has a limited capacity of ___, depending on the nature of the information stored
4-7 pieces
The process of information being located and brought back to short term working memory is known as
Recall
What type of memory is needed to list the cranial nerve functions?
Declarative/explicit
What structures participate in visceral functions and behavioral responses with the reticular formation?
Olfactory and limbic systems
The axons of neurons of the reticular formation extend in which direction?
Ascending and descending
Inability to think with customary speed, clarity, and coherence
Confusion
Describe unresponsive wakefulness
The patient may open eyes but is unresponsive and mostly unconscious with no speech or signs of awareness
State in which the patient appears unresponsive but there is no structural brain injury
Catatonia
Term used to describe the reticular formation
Polysynaptic network
Term describing a patient in a state in which she is incapable of being aroused by external stimuli or inner need, even with vigorous or repeated external stimulation
Coma
Pathological basis of unresponsive wakefulness and persistent vegetative state
Diffuse cerebral atrophy, neuronal loss, or thalamic necrosis
State in which the patient is unable to respond with motor activity or speech, but there is no disturbance of consciousness
Locked in syndrome
EMS arrives at the ED with a patient who has been in an MVA. The best imaging study to evaluate for an intracranial bleed is
CT without contrast
Communication of the visual cortex with the frontal eye fields is carried along which kind of fibers?
Association
A cerebellar stroke would cause which speech disorder?
Ataxic dysarthria
The stress response is most actively linked with what hormone?
Cortisol
Chronic stress increases the occurrence of which of the following?
Worsening arthritis
Stroke
Cardiovascular events
Which of the following is rare in early life?
Neurogenesis
Attention is required in order to form what type of memory?
Short term
An infarction that damages a 43 y/o concert pianist’s bilateral medial temporal lobes will result in which deficit?
Anterograde memory loss
