A patient with b+-thalassemia has, from that gene locus:

a. Variable but decreased b globin chain synthesis
b. No b globin chain synthesis
c. Variable but decreased g chain synthesis
d. No gamma chain synthesis


ANS: A
b Globin chain synthesis is decreased from the b+ gene locus.

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The intracranial pressure of an adult in the standing position approaches zero mmHg because:

A) the intracranial pressure changes due to the increased respiration rate of a person standing erect. B) as an adult moves from a recumbent position to a standing position the weight of the column of CSF is added incrementally to the pressure in the lumbar subarachnoid space and the intracranial pressure decreases. C) as an adult moves from a recumbent position to a standing position the weight of the column of CSF is added incrementally to the pressure in the ventricles of the brain, and the intracranial pressure decreases. D) the partial pressures of oxygen and carbon dioxide reach equilibrium, very nearly zero mmHg when a person stands up.

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What must the radiographer do prior to confidently using predetermined vertical angulations when applying the bisecting technique?

What will be an ideal response?

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Type 1 (IDDM) diabetes mellitus is the mature-onset form of diabetes and frequently occurs in obese adults

Indicate whether the statement is true or false

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Along with sanitation improvements and the discovery of antibiotics, vaccines had the largest impact on infectious diseases in the 20th century.

Answer the following statement true (T) or false (F)

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