The type of membrane that lines the lumen of the digestive, respiratory, urinary, and reproductive tracts for absorption and secretion, excretion, and offers minimal protection.

Use and anatomical term or position to describe the relative position of the following: Along the length of the bronchial tree, pseudostratified epithelium is __________ to simple squamous epithelium.

_______________ glands produce a clear watery fluid of proteins or enzymes.

A melanoma skin cancer lesion originates with cells in this layer of the epidermis.

This type of cell produces mucus. __________________

The _______________ develops into the _______________.

Use and anatomical term or position to describe the relative position of the following: In the urinary bladder, the transitional epithelium is ____________ to the connective tissue.

T/F: Red blood cells are a common finding in normal cerebrospinal fluid.

Which of the following is a common source of a pulmonary embolus?

The event that causes the QRS wave on an electrocardiogram (ECG) tracing is