Immune System - Stronger - Lymphocyte Populations - Biology Assessment Answer

Immune System - Stronger - Lymphocyte Populations - Biology Assessment Answer  

Task:

QUESTIONS

• Which bone cells would be MOST affected by an absence of parathyroid hormone? In you answer, you must explain the relationship between these cells and any subsequent effect upon blood calcium levels. 
• Define hypertrophy and use an example to explain how this term relates to skeletal muscle tissue. 
• Think about how the renin-angiotensin-aldosterone system acts to maintain normal blood pressure. Susan has sustained damage to her adrenal glands. Consequently, her circulating levels of aldosterone are abnormally low. What do you expect the lack of aldosterone to do to Susan’s blood pressure? Explain your answer.
• Tasma is enjoying a night out at the pub with her friends. It is well established that alcohol inhibits the secretion of ADH. Explain how this will affect her urine output.
• Haemophilia is the oldest known hereditary bleeding disorder. Explain why haemophilia is more commonly seen in males.
• Describe the changes in volume and pressure inside the chest cavity during a normal, quiet inhalation.
• A. Explain why these changes are occurring, and the effect upon airflow. 
• B. Is quiet inhalation an active process? Briefly explain your answer.
• A person with type O blood has been involved in a car accident and excessive bleeding necessitates a blood transfusion. Due to an error by a careless laboratory technician, the person is given type B blood. Explain what will happen.
• Explain how baroreceptors are involved in a situation where a short period of widespread vasoconstriction has been detected. How do these receptors then assist the body to respond to the situation?