Iritis that’s caused by an injury usually goes away within 1 or 2 weeks. Other cases may take weeks or months to clear up. If a bacteria or virus causes your iritis, it will go away after you treat the infection. Should I be worried about iritis? Iritis can leadRead More →
Depolarization is a positive change from the resting potential achieved by increased permeability to an ion with a Nernst potential above the RBP. When a neuron is said to be depolarized? Hyperpolarization is when the membrane potential becomes more negative at a particular spot on the neuron’s membrane, while depolarizationRead More →
A judge may also issue a conditionally suspended sentence. … For example, if a person was convicted of shoplifting for the first time, the judge could impose thirty days of incarceration as a penalty and then suspend the imprisonment on the condition that the defendant not commit any crimes duringRead More →
To increase the volume of the lungs, the chest wall expands. This results from the contraction of the intercostal muscles, the muscles that are connected to the rib cage. Lung volume expands because the diaphragm contracts and the intercostals muscles contract, thus expanding the thoracic cavity. What happens when theRead More →
If your doctor’s exam shows your meniscus tear is mild (Grade 1 or 2), you may not need surgery. If it’s Grade 3, you probably will. Your doctor might choose to do any of the following: Arthroscopic repair. What type of meniscus tear requires surgery? The most common type ofRead More →
But most horizontal, long-standing, and degenerative tears—those caused by years of wear and tear—can’t be fixed. For these kinds of tears, you may need to have part or all of the meniscus removed. You may want to have surgery if your knee pain is too great or if you areRead More →
To get the fireworks airborne, pyrotechnicians rely on a chain of two explosions. They load the firework into a “mortar,” a tube that is essentially a cannon. … Inside the shell is gunpowder, and embedded throughout the gunpowder are explosive spheres called “stars,” which become the points of light weRead More →
Generally speaking, tropical tortoises such as the leopard tortoise don’t need to hibernate. Hibernating can be risky for very small tortoises, so never try to hibernate a sick or underweight tortoise that has not fed well throughout the summer. Can tortoises survive without hibernation? Far too many owners lose theirRead More →
When foreign material — food, drink, stomach acid, or fumes — enters your windpipe (trachea), it’s known as aspiration. Normally, a well-coordinated muscle interaction in your lower throat propels food into your food tube (esophagus) and protects your airways. Where do aspirated objects tend to lodge? Of aspirated foreign bodies,Read More →
Here are a few reasons to blanch vegetables: Blanching helps to preserve the flavor, color and texture of fresh produce that’s being frozen. Blanching helps slow the loss of vitamins. Blanching helps cleanse the surface of dirt and some bacteria. Why is it necessary to blanch vegetables before freezing? BlanchingRead More →