The graphs of trigonometric functions have several properties to elicit. To be able to graph these functions by hand, we have to understand them. Before we progress, take a look at this video that describes some of the basics of sine and cosine curves.
Quick Answer. Ng/ml stands for nanograms per milliliter. This unit of measurement is often used for lab test results. For example, results of lab tests taken to check the levels of progesterone in the human blood are measured in nanograms per milliliter. Continue Reading.
Nasogastric (NG) intubation is a procedure during which a thin, plastic tube is inserted through the nostril, down the esophagus, and into the stomach. Once an NG tube is in place, healthcare providers can deliver food and medicine directly to the stomach or remove substances from it. Nasogastric (NG) intubation is most often used to deliver food and medicine to a patient when they are unable to eat or swallow. Patients most likely to need an NG tube include: 1  comatose patients. 2  patients with neck or facial injuries, or recent surgeries. 3  patients breathing with the assistance of a mechanical ventilator.