Homeostasis is the state of steady internal, physical, and chemical conditions maintained by the body

Module: HS183 / HS220

Life Sciences

Question 1 (500 words maximum)

“Homeostasis is the state of steady internal, physical, and chemical conditions maintained by the body”.

QUESTION: With reference to the respiratory or cardiovascular system, can you explain this statement?

Answer to Question 1 below:

 

 

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END OF ANSWER TO QUESTION 1

Question 2 (600 words maximum)

Shahid works on a busy care of the elderly ward and he often misses his breaks. Today, he is working a 12 hour shift and has not had a chance to have a drink since breakfast at 6am. It is now 8pm. He is now experiencing some cramps in his abdomen and decided to take some Ibuprofen for the pain. When he went to the toilet, he noticed some burning on passing urine and that his urine was dark and smelly.

QUESTION: Explain the physiology behind this scenario as well as potential pathophysiological disturbances that Shahid may experience. You may wish to consider aspects of pharmacology in your response.

Answer to Question 2 below:

 

 

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END OF ANSWER TO QUESTION 2

Question 3 (900 words maximum)

Susan (71 years old) is usually fit and active and has been having visits from the Community Mental Health Team. When the nurse visits, Susan informs him that she had a fall a few days ago. The nurse notices some bruising on her leg, and Susan is very stiff and sore when mobilising. Susan shows the nurse a wound on her arm, which is red, swollen and has some exudate evident – and painful to touch. The nurse cleans and dresses the wound. Susan takes two 500mg paracetamol tablets for the pain. When the nurse takes Susan’s observations, she has a temperature of 38.3 °c, a pulse of 110 and BP of 95/65. Susan says she really does not feel well.

QUESTION: Explore an aspect of the pathophysiology underpinning this scenario.

Answer to Question 3 below:

 

 

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END OF ANSWER TO QUESTION 3