This question depends on the person. Usually by around 200 to 210, your heart begins to go into an abnormal rhythm or disrythmia, called VT or PVT. The respectively, stand for Ventricular Tachycardia and Pulseless Ventricular Tachycardia (PVT is the more dangerous variety). At around this stage a patient runs the risk of cardiac arrest, which is dangerous because while the heart continues to beat, the contractions are so fast, blood isn't being let into the chambers of the heart. Without blood actually being pumped, the person is unable to perfuse, and goes into shock, seizure, coma, and then death.
Answer:
The most appropriate nursing diagnosis would be:
Imbalanced nutrition: less than body requirements related to unmet cultural food preferences
Explanation:
Imbalanced Nutrition: Less Than Body Requirements in women mainly occurs when a higher incidence regarding voluntary restriction of food intake secondary to anorexia, bulimia, and self-constructed fad dieting.
Here are some factors that may be related to Imbalanced Nutrition: Less Than Body Requirements:
Inability to absorb or metabolize foods
Inability to digest foods
Inability to ingest foods
Inability to procure adequate amounts of food
Increased metabolic needs caused by disease process or therapy
Knowledge deficit
Unwillingness to eat
This is heavily disputed, and honestly, it varies on a person-by-person basis. Some people are visual learners (so it's effective for them to use videos and pictures to help them study), some prefer being hands-on, etc...
Generally though, I'd say the most effective method that works for most people is through visceralisation. This is the process of associating concepts, words. phrases etc. with your different senses (sound, touch, images...). You can read up more on it by searching up "visceralisation for studying".