Category: Q

  • Quota sample

    A cohort of research subjects selected because a certain percentage of them has a desired characteristic.  

  • Quota

    A numerical threshold, target, or limit.  

  • Quit line

    A means of aiding smoking cessation in which trained counselors staffing telephone lines assess smokers needs and provide smoking-related advice, information, and pharmacological assistance.  

  • Quininium resin test

    A tubeless (non-endoscopic) test for insufficient gastric acid secretion. The patient consumes quininium resin. If the pH of the stomach is less than 3.5, quinine is freed from the resin and absorbed. Its presence is detectable in the blood.  

  • Quinic acid

    A substance present in some plants, including cinchona bark, and berries.  

  • Quincke’s pulse

    Visible inflow and outflow of blood from the nailbed, a physical finding in patients with aortic regurgitation when their fingernails or toenails are gently depressed by the examiner’s finger.  

  • Quick neurological screening test

    A standardized test of neurological function for persons 5 years of age or older. It assesses various areas, including attention, balance, motor planning, coordination, and spatial organization.  

  • Quick-look

    A colloquial term for a rapid assessment, especially of a cardiac rhythm during emergency cardiac resuscitation.  

  • Quicklime

    Calcium oxide (unslaked lime). It forms calcium hydroxide when water is added to it.  

  • Quick

    A part susceptible to keen feeling, especially the part of a finger or toe to which the nail is attached.