Brooke Carr - John Swanson Case Study - Nursing Assignment Help

Assignment Task:

Brooke Carr is a healthy 21 year old woman who is about to go sky-diving for the first time. As the plane approaches the drop off point, she notices a dry mouth, sweating hands, and changes in her cardiovascular system.

1. What is likely to happen to her blood pressure, heart rate and respiratory rate? (3 marks)

2. Outline the physiological events which trigger all of these cardiovascular and respiratory responses? (10 marks)

3. What arm of the autonomic nervous system triggers these cardiovascular changes? What neurotransmitters and/or hormones does it release? (2 marks)

John Swanson is a 60 year-old man and has been drinking at least one bottle of wine per day for over 10 years. He has recently had bleeding oesophageal varices and treated in emergency. His gastroenterologist informs him that he has Cirrhosis of the liver, with portal hypertension.

1. List (in order) each of the blood vessels involved in carrying nutrient-rich blood from the stomach and intestines, through the liver, and back to the heart (6 marks)

2. Two important blood vessels bring blood into the sinusoids of the liver –

   1. what are they called, and what different nutrients is in the blood they supply to the liver, respectively (2 marks)

   2. what is this unusual about these two kinds of blood vessels supplying the same tissue? (1 mark) 

   3.  What specialised cells in sinusoids clean the blood of bacteria from the gut? (1 mark)

3. Explain the physiological reasons why varices often develop in the GI tract due to portal hypertension (5 marks)

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