What bony landmark is letter “A” pointing to in this diagram…

Questions

Whаt bоny lаndmаrk is letter "A" pоinting tо in this diagram?   

Select оne оf the fоllowing essаys for 10% of the exаminаtion grade. The answer should include 3 main points and relate to clinical practice. Discuss two neurohumoral factors involved in blood pressure regulation.   Describe how elevated cholesterol levels ultimately lead to the development of atherosclerosis.   Describe the hemodynamic components that comprise stroke volume and cardiac output. b. Discuss factors that will either increase or decrease one of the components of stroke volume.   What are the compensatory mechanisms that occur with decreased cardiac output? b. How can they contribute to the development of heart failure?    Describe the pathophysiology of the development of a myocardial infarction.   Compare and contrast obstructive versus restrictive lung disease. What A & P changes are seen in these patients?   Review the pathophysiology of one of the obstructive lung diseases describing the patient’s clinical presentation.   Describe the role of the bicarbonate buffering system in arterial blood gas analysis.   Describe the process of gaseous exchange. Include the role of the bicarbonate ion and hemoglobin in your discussion.   10. Describe the relationship between multi-factorial inheritance patterns and the development of hypertension and cardiovascular disease.     11. In assessing a patient with Iron Deficiency Anemia, how would the process be different in a child versus and adult?     12. Provide a detailed rationale for the use of a Corticosteroid inhaler and a Beta Adrenergic inhaler in the treatment of Asthma.