Question 1: Explain the differences between positive and negative feedback loops in physiology and provide 1 example of each feedback loop. Need Assignment Help?
Question 2: Explain the following transport systems across cell membrane (in general): 1. Voltage- gated ion channel; 2. Ligand-gated ion channel; 3. Na+/K+ ATP pump. (6 points) 8. What will happen to the level of TRH and TSH if the levels of T3 & T4 are low (hypothyroidism)?
Question 3: Given the following arterial blood data, determine whether the acid-base disorder was respiratory (ventilatory) or metabolic (renal) in origin and whether or not compensation for the disorder has occurred (partial or completed) and if it was respiratory or renal compensation. pH = 7.55, HCO3- = 44 mEq/L, pCO2 = 50 mmHg.