Turner syndrome is suspected in an adolescent girl with short stature. This is caused by:
a. absence of one of the X chromosomes.
b. presence of an incomplete Y chromosome.
c. precocious puberty in an otherwise healthy child.
d. excess production of both androgens and estrogens.
ANS: A
Turner syndrome is caused by an absence of one of the X chromosomes. Most girls who have this disorder have one X chromosome missing from all cells. No Y chromosome is present in individuals with Turner syndrome. This young woman has 45 rather than 46 chromosomes.
You might also like to view...
A patient's relative asks the nurse what type of gift would be appropriate for a patient who has an absolute neutrophil count (ANC) of 600. What should the nurse suggest?
1. "Flavored bottled water would be a nice change for her.". 2. "Perhaps a fresh fruit basket would help to stimulate her appetite.". 3. "A beautiful potted plant would certainly cheer up her room.". 4. "She told me yesterday how much she would enjoy some sushi.".
Which of the following is the initial symptom of hypertrophic pyloric stenosis?
a. nonbilious vomiting starting between the 2nd and 4th week of life b. cramping and abdominal pain starting around the 3rd day after birth c. refusal to take the bottle or nurse d. a high-pitched and unusual cry
Glaucoma causes thickening and clouding of the lens of the eye.
Answer the following statement true (T) or false (F)
"To prevent the spread of hepatitis A virus (HAV) infection the nurse is especially careful when
A. Disposing of food trays B. Emptying bed pans C. Taking an oral temperature D. Changing IV