« previous next »
« previous next »
 

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

The patient is undergoing an allergy skin test by receiving subdermal inoculations of allergens. Inf The patient is undergoing an allergy skin test by receiving subdermal inoculations of allergens. Inf
Mechanisms of pain at the nociceptor level Mechanisms of pain at the nociceptor level
The Three Components of Pain The Three Components of Pain
Examples of endocrine disorders. (A) A patient with exophthalmos, a symptom of hyperthyroidism ... Examples of endocrine disorders. (A) A patient with exophthalmos, a symptom of hyperthyroidism ...
Proprioreceptive reflex to a pain stimulus Proprioreceptive reflex to a pain stimulus
Reflex Responses to Pain Reflex Responses to Pain
Video: How a Urinalysis is Performed

For a complete list of videos, visit our video library