Which of the following would be classified as a single-gene disorder? (Select all that apply.)
a. Down syndrome
b. Marfan syndrome
c. Cystic fibrosis
d. Type 2 diabetes
e. Sickle cell disease
f. Cardiovascular atherosclerotic diseases
B, C, E
Cystic fibrosis, sickle cell disease, hemophilia A, and Marfan syndrome are examples of single-gene disorders. Down syndrome is a chromosome disorder (extra chromosome 21), and cardiovascular atherosclerotic disease and type 2 diabetes are examples of complex gene disorders that result from an interaction of genetic and environmental factors.
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A 45-year-old woman asks how often she should have a mammogram. The most appropriate answer is:
a. every 1 to 2 years until age 50 and yearly after that. b. every year beginning at age 40. c. they are unnecessary until age 50. d. whenever she feels a lump.
The nurse is instructing a patient on stroke prevention. Which patient statement would the nurse evaluate as indicating understanding of the presence of a nonmodifiable risk factor for stroke development?
1. "I have hypertension just like my mom and her family." 2. "Lots of people of my ethnicity suffer strokes." 3. "I have tried several times to quit smoking, but I just can't seem to do it." 4. "It is going to be hard to give up eating red meat and my favorite family meals just to lower my cholesterol."
Isolating components of an herb leads to more reliable dosing and results in which form?
a. Dried herb b. Extract c. Syrup d. Oil
The nurse is completing a physical examination of a 4-year-old girl. Which is the best position to place the child in to assess the genitalia?
1. Supine, with legs at a 50-degree angle 2. Right side-lying 3. In prone position, with knees drawn up under the body 4. Frog-legged position