A waiter holds two plates of food in one hand. His forearm has a mass of 2.2 kg and the center of mass of his forearm is located 13 cm from his elbow joint. The center mass of the two plates is located 37cm from his elbow joint and the […]

Question 1. Humans instinctively like foods with this flavor.a. bitterb. sweetc. sour Question 2 This is how chewing food aids in digestion.a. By reducing water content of the foodb. By making particles smallerc. By minimizes need for saliva Question 3 When you eat, your stomach secretes this substance that lowers […]

i) How would the following items best be sterilized: a wrapped package of Petri dishes, antibiotic solution, agar media, glass pipettes and individual Petri dishes. ii) What are the advantages and disadvantages of U.V. light and ionizing radiation as sterilizing agents? iii) Compare and contrast dry heat and moist heat […]

Question: Electrocardiogram results show a shortened QT interval and an increase in the P-R interval (i.e., decreased duration of action potential and decreased conduction velocity). Laboratory results indicate that his serum potassium level has increased to a value of 6.5 mEq/L (normal: 3.5 to 5.0 mEq/L). This increase in serum potassium […]