Human Anatomy and Physiology Answers

Claire is pregnant again, and it’s a girl! She and her husband Ben are excited to be expecting a little sister for their 2-year old twins James and Danielle. Claire has just entered the second trimester of her pregnancy, and has tried to keep as active as possible. 1. Claire is keen to learn from her experience as a mother and remembers that when her twins were babies, they became cold very easily which often disturbed their sleep (and hers!). Interpret this poorer thermoregulation as seen in a normal healthy baby, with regards to i. the structure of a baby’s skin, particularly considering heat-loss by a new-born baby, and ii. the mechanisms in which a baby’s body can respond to warm itself up/restrict heat-loss

It is a warm day and you feel a little chilly. On checking your temperature, you find that your body temperature is 1.5 degrees below normal. Suggest 3 possible reasons for this situation. Describe briefly how your body will react to this dip in temperature.

2. When a person receives intravenous fluids to help build up blood volume, why is it important for the fluid to be isotonic?

ATPase is an enzyme that can hydrolyse ATP and release the potential energy stored in the phosphate bond. How would a metabolic inhibitor that blocks ATPase function affect the resting potential of nerve cells?