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In the case of Henrietta Lacks, cells were derived from a tumor in a woman without her consent.  She and her family were never notified of their collection, and were never compensated for them. These cells, called HeLa cells, have been used by thousands of researchers to study biomedical questions and have led to many important discoveries and treatments for diseases.  This case upholds some of the pillars of medical ethics, but not all of them.  Which statement is TRUE?

Which of the following is TRUE of the regulation of heart rate?    

Which of the following is a good dietary source of both Vitamin C and calcium?

The figure below shows a model of cardiac output when a person’s [autonomic] nervous system is activated.  As you can see, not all organs are shown, thus percentages will not add to 100. Based on this model about [brain]L is going to the brain each minute while about [pulmonary]L is going to the pulmonary circuit each minute.  

BMI is a mathematical comparison of a person’s height and weight.  Which is a more appropriate use of BMI?

Which of the following statements about the fight or flight response is true? 

A muscle biopsy, in which a small portion of a muscle is removed and analyzed, can provide an estimate of the proportion of Type I and Type 2 muscle fibers in a person’s muscles. Imagine you are a health care provider and a parent asks you to perform a muscle biopsy of their 4 year old’s quadriceps (thigh muscle) to determine what sports they should start.  The two questions that follow relate to this scenario.  

Which of the following best describes the relationship between diet (what a person eats) and atherosclerosis and/or blood lipids (like LDL)?

You may use a single sheet of scratch paper or a small whiteboard to write notes on during the exam, in addition to using the Proctorio whiteboard.  If you choose to use paper, you must show your blank paper with your name on both sides to the camera now, before starting your exam.  If you chose to use a whiteboard, show your blank whiteboard to the camera before starting your exam. 

Trypsin is most active in the [location], where it digests [macromolecule].