CRITICAL THINKING QUESTIONS AND CASE STUDY: 1. Critical Thinking Questions: 1.1.

Question

CRITICAL THINKING QUESTIONS AND CASE STUDY:

1.   Critical Thinking Questions:

1.1.      An elderly person suffered a stroke and now has difficulty moving the right arm and has speech difficulties. Which area of the brain was affected/damaged by stroke?

1.2.      Doctor Watson, working in the lab, has developed a drug (medicine) that inhibits the activity of amygdala of the limbic system. Do you think this is a good or bad thing? Explain your answer.

1.3.      One of the postmortem findings in the brain from Alzheimer’s patients (loss of memory and reasoning and ability to care for oneself) is exaggerated widening of cerebral sulci and narrowing of cerebral gyri. Explain the relationship between this anatomical change with patient symptoms listed above?

1.4.      Patient at dentist’s office was injected with anesthetics at several locations during the work. A few hours later, he still had no feelings in his left upper lip, right lower lip, and tip of his tongue. Explain what happen to this patient.

Explanation / Answer

1.1 Broca's area is a region in the frontal lobe.left hemisphere is affected i.e.left side of the brain is affected which results in difficulty in speech and movement difficulty in right arm.

1.2 that is not good asThe amygdala is known as the centre for the cardiovascular and behavioural responses like fear and dread inhibition of zmygdala results in psychological stress which inturn results in high blood pressure,depression.

1.3severe atophy of the brain(cerebral atrophy) causes.due to this memory and language is declined.due to the atrophy the sulci in the brain are usually widened and the gyri are narrowed.

1.4 due to the anaesthetic injections he may get periferal facial nerve palsy.initial trauma to facial nerve usually minor.there is complete recovery will be there with in 12 hrs.

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