The one that is a reason that a drug may not receive FDA approval is : D. the drug is ineffective
One of the function of FDA is to make sure the Drugs that sold in the market are safe , and fulfill in function.
In order to achieve this, they usually create a series of testing to make sure its efficiency and safety
It tends to act as a upper when it is truly a downer
It has to be C
Because a bolus is “small round mass of substance especially of chilled food at the moment of swallowing”
A chyme is “ The pulpy acidic fluid which passes from the stomach to the small intestine, consisting of gastric juices and partly digested food”
And it cant be liquid because it is food, not a drink/ also liquid, because that would come out as urine.
It's the Lowest concentration of a chemical which prevents visible growth of a bacterium.
That's your answer.