University : Australian Catholic University UniLearnO is not sponsored or endorsed by this college or university.
Subject Code : BIOL121
Country : Australia
Assignment Task:

Purpose:

This assessment is designed to encourage you to reflect on the teaching material delivered throughout the unit (Weeks 1 – 12 inclusive) and the interrelationships between body systems. It allows you to demonstrate your critical thinking skills for deeper and more meaningful learning and develop your written communication skills. 

Case Study: Nevaeh – a teenage pregnancy 

Nevaeh is a 17yo female who has presented to the antenatal clinic with amenorrhea. She appeared stressed and was concerned that she may be pregnant. Upon questioning, she also advised that she had been suffering from severe headaches and had taken 2 x 500mg paracetamol tablets just prior to arrival. Upon examination and ultrasound investigation, she was advised that she was 20 weeks pregnant. Preliminary blood and urine tests were carried out and support services were notified.

Question 1 

A. Breast tissue contains glandular structures relevant to Nevaeh’s reproductive function. Note the role of this glandular tissue in reproductive function, including any likely changes due to pregnancy in the stimulation, secretion and resultant effects for Nevaeh.

B. Considering Nevaeh’s circumstances, describe the future role of oxytocin on breast tissue and discuss how the levels of this hormone may vary during and post-pregnancy. 

Question 2 

A. Describe the role of the kidneys in maintaining fluid balance with reference to the role of antidiuretic hormone (ADH). Is Nevaeh at risk of not maintaining homeostatic fluid mechanisms? Why/why not?

B. What is a urinalysis and what is its significance for this case? With respect to the protein component for Nevaeh’s urinalysis result, and using your knowledge of normal kidney function, would you expect this result? Why/why not? 

Question 3  

A. What is gut motility? Is it likely that Nevaeh’s gut motility has increased or decreased during pregnancy? Discuss EITHER peristalsis OR segmentation in your response.

B. Why is it important for Nevaeh to maintain adequate protein intake? Discuss its importance in foetal development in your response. 

Question 4 

A. Nevaeh has taken paracetamol for persistent headaches. Identify the route of drug administration and discuss how the drug is likely to be absorbed after administration and its likely bioavailability. Justify your answer by discussing whether the drug would be subjected to hepatic first pass.

B. What is the importance of the half-life of a drug? Assuming 100% absorption and the half-life of paracetamol is 6 hours, calculate the % amount of drug that is likely to be present in the blood after 24 hours. 

Question 5 

A. Consider Nevaeh’s blood pressure result and discuss whether the mean arterial pressure is likely to vary during pregnancy. In your answer you must include reference to a change in vessel length due to her pregnancy and briefly mention the consequences of any change in BP upon kidney function.

B. Discuss the role of the renin-angiotensin-aldosterone system in the maintenance of blood pressure in Nevaeh’s circumstance.

 

 

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  • Posted on : May 28th, 2019
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