If a drug is given at intervals that are the same as its half-life, it will take about 5 half-lives to reach steady state.
If a drug is given at intervals that are the same as its half-life, approximately how long will it take the drug to reach steady state?
Personal protective equipment (PPE) should be put on in the following order:
Abrupt change in temperature is one of the risk factors in which a sickling event may occur.
Dehydration, hypoxia, and physical exertion, rather than excessive intake of fluids, inhaling oxygen, and sedentary lifestyle, are all additional risk factors in which sickling events may occur.
Which of these could cause a sickling event?
Patients with antibody to the following antigen are immune to Hepatitis B:
Hb S migrates with D in alkaline and alone in acid electrophoresis.
The gel electrophoresis pattern for hemoglobin S shows which of the following migration patterns?
Which of the following is NOT part of the magnification system of the microscope?
FAB M5 is acute monoblastic leukemia
FAB M1 is acute myeloblastic leukemia without maturation
FAB M3 is acute promyelocytic leukemia
FAB M4 is acute myelomonocytic leukemia
Which FAB designation is called the "true" monocytic leukemia and is characterized by monoblasts, promonocytes, and monocytes?
The molecular weight of a hapten is by itself not sufficient to elicit an antibody response alone, but requires a protein to do so.
A hapten is only antigenic when it is coupled with which of the following:
Which of the following organizations now provides the certification exam for laboratory professionals?
Incompatiblity involving the ABO blood group system can cause the most severe type of transfusion reaction.
The cause of the most severe life-threatening hemolytic transfusion reactions is:
Some elderly individuals can have poor dietary habits which can lead to decreased nutrient absorption, including zinc.
A zinc deficiency in the elderly is often caused by:
Haemophilus influenzae is both X and V factor dependent for growth, and is the most common cause of obstructive laryngitis and epiglottitis. H. parainfluenzae is only V-factor dependent and causes only mild pharyngitis, rarely obstructive in nature. H. aphrophilus can be part of the normal upper respiratory flora in humans, does not cause pharyngitis, and is not X or V-factor dependent for growth. Although H. haemolyticus is both X and V-factor dependent, it is beta hemolytic on blood agar and is generally considered non pathogenic.
Acute obstructive epiglottitis, both in adults and children, is caused by the bacterial species shown in this split screen photograph. The colonies recovered on chocolate agar (upper frame) required both hematin and NAD, (as shown by colony growth only between the X and V strips in the lower frame). The most likely identification is:
Glycoprotein IIb/IIIa is integral in the process of platelet aggregation as well as clot retraction.
A defective clot retraction might be caused by which one of these?
Thin-layer chromatography has the advantage of being able to test for a large number of drugs at the same time.
Thin-layer chromatography is particularly useful as a tool in the identification of:
Joint pain is a common early symptom of HH. Cirrhosis of the liver, cardiomyopathy, and diabetes are late symptoms of HH.
What is a common early symptom of hereditary hemochromatosis (HH)?
