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Q. A 22-year-old man was in a motorcycle accident with resultant neck injuries that led to partial paralysis of the upper and lower limbs. Approximately immediately his chest felt heavy and he became dyspneic. His pulmonary function values were as follows: Vital capacity (supine): 650 mL Minute ventilation (supine): 6 […]

We live in close & constant association with millions of microorganisms, most of which do us no harm (commensals) and some which benefit us (mutualists). Distinguishing how the interactions between host & symbionts differ depending on the nature of the relationship (pathogenic vs non-pathogenic) is currently an active area of […]

Q1. A 44 year old man complaining of substernal chest pain that developed while playing flag football with kids. He is alert and oriented, but he is complaining of mild shortness of breath. About 10 minutes after sitting down to rest, his pain begins to go way. What do you […]

The ability to curl your tongue up on the sides (T, tongue rolling) is dominat to not being able to roll your tongue. A woman who can roll her tongue marries a man who cannot. Their first child has his father’s phenotype. 1) What is the probability that a second […]