Every Node in a Doubly Linked List Has Two Pointers

question 2

Multiple Choice

Every node in a doubly linked list has two pointers: ____ and ____.

• A) top; bottom
• B) back; next
• C) current; forward
• D) previous; forward

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Definitions:

Heel-To-Toe

A walking test that evaluates balance and coordination by walking in a straight line, placing one foot directly in front of the other.

Alternating Motion

Movement that repeatedly changes direction or switches between different positions or states.

Prostate-Specific Antigen

A protein produced by the prostate gland, levels of which are measured to screen for and monitor prostate cancer.

Digital Rectal Exam

A physical examination where a healthcare provider inserts a lubricated, gloved finger into the rectum to check for abnormalities.