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A congenital anemia occurring primarily among Black or African Americans which an average of one in ten carry the abnormal gene, is called:
Sickle cell anemia is a congenital form of anemia that predominantly affects Black or African American individuals. It is an inherited condition caused by a mutation in the HBB gene, which encodes the beta-globin subunit of hemoglobin. This mutation results in the production of abnormal hemoglobin known as hemoglobin S (HbS). Under low oxygen conditions, HbS causes red blood cells to become rigid and sickle-shaped, leading to various complications including pain, infections, and anemia. Approximately one in ten African Americans carry the gene for sickle cell trait, making it one of the most common genetic disorders in this population.
Drug agents that neutralize the hydrochloric acid in the stomach are called
Drug agents that neutralize the hydrochloric acid in the stomach are called antacids. Antacids are used to relieve symptoms of indigestion, heartburn, and gastroesophageal reflux disease (GERD). They work by neutralizing stomach acid to reduce irritation and discomfort.
Pharmacology for Health Professionals by Bronwen Bryant and Kathleen Knights
Goodman & Gilman's: The Pharmacological Basis of Therapeutics
The most common combining form is:
The most common combining form in medical terminology is 'o'. A combining form consists of a root word and a combining vowel, typically 'o', which is used to ease pronunciation when adding suffixes or when combining multiple roots.
Chabner, D.-E. (2016). The Language of Medicine (11th ed.). Elsevier.
Cohen, B. J., & DePetris, A. (2013). Medical Terminology: An Illustrated Guide (7th ed.). Lippincott Williams & Wilkins.
Which of the following needles has the widest lumen?
The gauge of a needle refers to its diameter, with a lower gauge number indicating a larger diameter. Therefore, a 19 gauge needle has the widest lumen among the options given. It is commonly used for rapid blood transfusions or for drawing viscous fluids.
21 gauge: Smaller lumen than 19 gauge.
22 gauge: Smaller lumen than 21 gauge.
26 gauge: Smallest lumen of the options listed.
'Needle Gauge Chart.' American Society for Apheresis, https://www.apheresis.org/Needle-Gauge-Chart
The abbreviation for every two hours is
The abbreviation for every two hours is Q.2h. This medical abbreviation is derived from Latin 'quaque 2 hora,' meaning 'every two hours.' It is commonly used in medical prescriptions and instructions to indicate the frequency of medication administration or other recurring treatments.
Mosby's Medical Dictionary, 10th Edition
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