Which of the following ions is necessary for thyroid hormone production?

A. Ca2+
B. I?
C. Cl?
D. Na+
E. K+


Answer: B

Anatomy & Physiology

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During a lab experiment, you forgot to label your solution containers. You see that red blood cells were placed into an unlabeled solution and they shrunk. What can be concluded about the unknown solution?

A. Its penetrating solute concentration is greater than that of a normal cell. B. Its penetrating solute concentration is less than that of a normal cell.  C. Its nonpenetrating solute concentration is equal to that of a normal cell. D. Its nonpenetrating solute concentration is less than that of a normal cell. E. Its nonpenetrating solute concentration is greater than that of a normal cell.

Anatomy & Physiology

During the absolute refractory period, a stimulus of high intensity may trigger a nerve

impulse. Indicate whether the statement is true or false

Anatomy & Physiology

Star-shaped cells that form a supporting network in the brain and spinal cord are called ____

a. oligodendrocytes b. astrocytes c. microglia d. ependymal cells

Anatomy & Physiology

The acetabular ________ is a lip of connective tissue that deepens the socket of the hip and helps stabilize the joint.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology