Andres Has a Parathyroid Hormone Deficiency

question 55

Multiple Choice

Andres has a parathyroid hormone deficiency.He first approached the doctor because he was experiencing ________ and the early blood tests found that he had ________.

• A)decreased muscular excitability;low plasma calcium levels
• B)increased muscular excitability;low plasma calcium levels
• C)decreased muscular excitability;high plasma calcium levels
• D)increased muscular excitability;high plasma calcium levels
• E)frequent bones breaks;high plasma calcium levels

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Definitions:

Ketoses

A type of monosaccharide (simple sugar) that has its carbonyl group (C=O) located at an internal carbon atom, making it a ketone.

Haworth Structure

A method for representing the cyclic structure of monosaccharides with a simple three-dimensional perspective, showing the spatial configuration of each carbon atom and its attached groups.

β-D-Ribofuranose

A sugar molecule that is a component of RNA, featuring a five-membered ring structure.

Stereoisomeric Aldohexoses

Different spatial arrangements of atoms in aldohexose carbohydrates, leading to different physical and chemical properties despite having the same molecular formula.