Most of the nail body appears pink because of the blood in the underlying capillaries.

Answer the following statement true (T) or false (F)


True

Anatomy & Physiology

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The muscle weakness of myasthenia gravis results from

A) insufficient acetylcholine release from presynaptic vesicles. B) loss of acetylcholine receptors in the end-plate membrane. C) the motor neuron action potential being too small to shock the muscle fibers. D) excessive acetylcholinesterase that destroys the neurotransmitter. E) All of the answers probably contribute to the muscle weakness.

Anatomy & Physiology

Which of the following cells secrete gastrin?

A. Enteroendocrine cells B. Mucous cells C. Regenerative cells D. Parietal cells E. Chief cells

Anatomy & Physiology

The two types of cells that make up the nervous system are

A. macrophages and mast cells. B. neurons and glial cells. C. neurons and chondrocytes. D. mast cells and fibrocytes. E. neurons and mast cells.

Anatomy & Physiology

Which of the following vessels can be used for taking the pulse?

A) brachial artery B) internal iliac artery C) celiac trunk D) renal artery

Anatomy & Physiology