Biometric Authentication

question 11

Multiple Choice

Biometric authentication:

• A)is inexpensive.
• B)is used widely in Europe for security applications.
• C)can use a person's voice as a unique, measurable trait.
• D)only uses physical measurements for identification.

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Definitions:

Sodium Reabsorption

The process by which the kidneys filter sodium from the urine and return it to the blood, maintaining fluid and electrolyte balance in the body.

Antidiuretic Hormone

Posterior pituitary hormone that affects urine formation and blood pressure; encourages water reabsorption in the kidney.

Aldosterone

Adrenal hormone that encourages sodium reabsorption by the kidney; concentrates the urine.

Bowman's Capsule

A part of the nephron in the kidney that encloses the glomerulus and where filtration of blood plasma begins in the process of urine formation.