A genetic disorder affecting collagen synthesis which presents with hearing loss before age 30, affects males more often than females, and causes nephritis is:

All of the following are common laboratory tests on bronchial washings EXCEPT:

A red, cloudy synovial fluid containing 210,000 RBCs/cmm and 15,000 WBCs/cmm with 45% neutrophils is consistent with:

Normal penetration is indicated by the ability of sperm to traverse bovine cervical mucous a distance of at least:

A risk factor for pyelonephritis includes:

Fluid to serum protein ratios less than 0.5 are typical for:

The spectrophotometric scan from 365 to 550 nm of amniotic fluid around a fetus with erythroblastosis fetalis shows a peak at:

A transdutes is categorized by: (1) specific gravity

Yellow-brown crystals shaped like dumbbells with a symmetrical sheaves, such as the one shown here, may appear in the urine due to ingestion of ______.

A 5-year-old male is brought to the pediatric clinic because his parents are concerned about his apparent developmental delay, frequent infections, and abnormal physical features. The child is short in stature with a large head and broad facial features. He has a protruding abdomen and short neck. His joints appear stiff. Genetic studies reveal a mutation consistent with Hunter syndrome. This is a type of _____.