Which of the Following Statements Is False

question 13

Multiple Choice

Which of the following statements is false?

• A) Carbon, hydrogen, oxygen, and nitrogen are the most abundant elements of living matter.
• B) Some naturally occurring elements are toxic to organisms.
• C) All organisms require the same elements in the same quantities.
• D) Iron is an example of an element needed by all organisms.
• E) Approximately one-quarter of the natural elements are essential elements.

---

Definitions:

Sacral Segments

Portions of the spinal cord that correspond to the sacral part of the vertebral column, which is crucial for transmitting nerve signals to and from the lower parts of the body.

Inhibitory Action Potentials

Electrical signals in neurons that decrease the likelihood of the neuron firing, thus reducing neuronal activity.

Sacral Region

The area of the body related to the sacrum, a triangular bone at the base of the spine formed by the fusion of five sacral vertebrae.

Myogenic Mechanism

A physiological mechanism by which blood vessels automatically adjust their resistance to maintain constant blood flow despite changes in arterial blood pressure.