At the end of a hair's growth cycle, the follicle does which of the following?

A) becomes smaller
B) sloughs off the old hair when the cycle begins again
C) becomes inactive
D) loses connection to the hair matrix
E) All of the answers are correct.


E) All of the answers are correct.

Anatomy & Physiology

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Graves disease, the most common form of hyperthyroidism, is caused by

A. an excess of iodine. B. an improper diet. C. an autoimmune disorder. D. a lack of iodine.

Anatomy & Physiology

The digastric and omohyoid muscles are similar in that they both have ________.

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

Anatomy & Physiology

The following are important steps in the process of endochondral ossification

1. Blood vessels grow around the edges of the cartilage and perichondrium differentiates into osteoblasts. 2. Capillaries and osteoblasts migrate to the epithyses forming the secondary ossification centers. 3. Chondrocytes enlarge and the surrounding matrix begins to calcify. 4. Remodeling continues and the shaft becomes thicker. 5. Blood vessels penetrate the cartilage and invade the central region forming the primary ossification center. What is the correct order for these events? A) 3, 1, 5, 4, 2 B) 1, 3, 5, 4, 2 C) 1, 5, 3, 4, 2 D) 2, 3, 1, 5, 4 E) 3, 1, 4, 5, 2

Anatomy & Physiology

If a hole is torn in a cell's plasma membrane, the cell will die because

A) it will not be able to maintain differences between the cytoplasm and extracellular fluid. B) germs are attracted toward cytoplasm leaking from a cell. C) it will not be able to undergo cell division. D) its chromosomes will not be held in place. E) cells can only make more plasma membrane during cell division.

Anatomy & Physiology