What route of administration of drugs includes subcutaneous, intramuscular, and IV?

What three things happen when two drugs are given together?

A patient is intubated and transferred to the ICU. The blood gas and chest x-ray hints at the patient having ARDS. What would the therapist set for the initial settings on the mechanical ventilator?

Name a hormone produced by the ovaries. (Picture for reference).

Name a hormone produced by the testes. (Picture for reference).

Name one hormone produced by the adrenal cortex and one hormone produced by the adrenal medulla. (Picture for reference).

Name a hormone produced by the hypothalamus. (Picture for reference).

Those compounds that will cause soluble minerals to “rain out” of solution are 

A mixture of insoluble macroscopic particles and a solvent in which the particles cannot pass through filters or membranes is 

The formation of methylene glycol when formaldehyde gas is dissolved in water would normally result in a reduced preservative action from the solution. How does this compound remain effective as a preservative?