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Leaf-cutter ants harvest plant leaves and bring them back to their nests. There, in the warm, moist environments of their underground nests, they grow fungi (Leucoagaricus) that they then eat. These ants also host bacteria on their exoskeleton. Another fungus, Escovopsis, kills Leucoagaricus when the ants are removed from the nest. Knowing that the bacteria on the ants are in the same phylogenetic group of other bacteria that produce antibiotics, which of the following research hypotheses is most likely correct?

A 38 year old women presents with a chief complaint of chest pain. She states the pain “woke me up” at about 2am and describes it as a squeezing pressure in the middle of her chest and into jaw. She felt a little nauseated and short of breath with the pain, but it all gradually went away and she felt fine. The episode lasted about 5 minutes. She says it was really scary and that it was the second time it happened in the last three weeks. She has a BMI of 23, works out 3 days a week, and no history of HTN, DM, or CAD. She smokes less than a half pack of cigarettes a day. What is the most likely diagnosis?

All of the following are found in a patient with the diagnosis of acute appendicitis except

Alma presents with a c/o “a brief sharp pain”. It is on the left chest wall and does not seem related with exertion. On exam you note a holosystolic murmur and an S3. She has no dyspnea. Your top differential would be?

According to our current knowledge of plant evolution, which group of organisms should feature cell division most similar to that of land plants?

Which of the following patient groups are most likely to present atypically with an acute coronary syndrome?

10.1  Was die gebruik van beligting in hierdie toneel suksesvol? Waarom sou jy so sê? [3] 

Which of the following statements about human evolution is correct?

What do you see?  

8.2  By die gebruik van vokale uitdrukking in toneelspel moet watter element in ag geneem moet word? [1]