Your Physician Has Requested an Electrolyte Profile on a Patient

question 49

Multiple Choice

Your physician has requested an electrolyte profile on a patient.The laboratory directory indicates this test requires 4 mL of serum.Which of the following tubes should be used to collect the specimen?

• A)4-mL SST
• B)7-mL SST
• C)10-mL SST
• D)4-mL lavender-stoppered tube
• E)7-mL lavender-stoppered tube

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Definitions:

Carbocationic Center

A positively charged carbon atom within an organic molecule, characterized by a lack of a full octet of electrons.

Inductive Donation

The transmission of charge through a chain of atoms in a molecule, affecting the molecule's electron distribution and reactivity.

Hyperconjugation

A stabilizing interaction that involves the delocalization of electrons by the overlap of σ orbitals with an adjacent π orbital or a vacant p orbital.

Carbenes

Reactive molecules featuring a divalent carbon atom with only six electrons in its valence shell, making them highly reactive.