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Brandon had just completed a marathon running under the sun for a few of hours. He has been sweating, now feels very thirsty, and appears pale.  

 

Describe the hormonal mechanism that worked to maintain Brandon’s blood volume and blood pressure during his marathon 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Question 2 – Respiratory System                                                                

Jamie is standing in front of her mirror breathing quietly as part of her daily routine to strengthen her respiratory muscles. 

Describe the process involved during quiet expiration.                           

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Name 2 examples of accessory muscles involved if she were to forcibly blow maximum amount of air out.                                                                    

       

 

 

 

 

 

Chris was late for work and running fast to catch the bus. Once on the bus, he sat down to rest and read a book.  

Explain the changes occurring to his autonomic nervous system while running to catch the bus and after he sat down on the bus. Explain how these changes affect the function of his heart, bladder, respiration and digestive function.                                                                                                                       

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Kate has been feeling stressed for the past 6 months due to a lack of sleep taking care of her newborn child while recovering from her caesarean section surgery. Her partner had also lost his job which causes her to worry about paying their bills. 

Describe the hormonal response to Kate’s stress, and the effects of the hormones involved on her body  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Question 5 – Sexual and Reproductive System                                                   

Jamilla commences taking the combined oral contraceptive pill (progesterone and oestrogen). She knows that there is still a risk she may conceive (4%). 

Considering the ovarian cycle, explain why it is highly unlikely she will conceive. Ensure that you identify structures and hormones involved.

 

 

 

 

Question 6 – Sexual and Reproductive System                                                                                                    

A patient has a blockage that prevents secretions from the seminal vesicles. How might this affect the amount of semen produced?                                 

 

      

 

 

 

 

 

 

 

 

If a man’s hypothalamus is damaged, how would this affect Luteinizing hormone (LH) levels and subsequently spermatogenesis?                                       

            

 

 

 

 

 

 

 

 

 

 

 

Explain why a man experiencing emotional or physical stress is often unable to develop or maintain an erection. (Hint: Which branch of the autonomic nervous system is involved in the stress response?)                                                

                                            

SCIENCE
HEALTH SCIENCE
NURSING
ED 3213

 
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