As related to inherited disorders, which statement is descriptive of most cases of hemophilia?
a. Autosomal dominant disorder causing deficiency in a factor involved in the blood-clotting reaction
b. X-linked recessive inherited disorder causing deficiency of platelets and prolonged bleeding
c. X-linked recessive inherited disorder in which a blood-clotting factor is deficient
d. Y-linked recessive inherited disorder in which the red blood cells become moon shaped
ANS: C
The inheritance pattern in 80% of all of the cases of hemophilia is X-linked recessive. The two most common forms of the disorder are factor VIII deficiency (hemophilia A or classic hemophilia), and factor IX deficiency (hemophilia B or Christmas disease). The disorder involves coagulation factors, not platelets. The disorder does not involve red cells or the Y chromosome.
You might also like to view...
The nurse is planning a teaching session for older community members about the risks for peptic ulcer disease (PUD) found with this age group. What should the nurse include when teaching this community group?
A) PUD in an older client causes less bleeding than in a younger client. B) The elderly client experiences more severe abdominal pain than a younger client with PUD. C) Older clients should undergo colonoscopy when diagnosed with PUD. D) Peptic ulcer disease (PUD) is likely to be exacerbated by the bacterium H. pylori.
A school nurse is teaching an adolescent girl of normal weight some of the key factors necessary to maintain good nutrition in her teen years. What would the nurse be correct to focus on?
A) Decreasing her calories and encouraging her to maintain her weight to avoid obesity B) Increasing BMI to at least 35, taking a multivitamin, and discussing body image C) Increasing milk intake, eating a balanced diet, and discussing eating disorders D) Obtaining a food diary along with providing close monitoring for anorexia
The nursing assistant reports that the client is dizzy during a warm sitz bath. Which should the nurse implement before returning the client to bed?
1. Check client for tachycardia. 2. Dry off the client completely. 3. Ask client if able to ambulate. 4. State that dizziness is common.
The nurse is teaching a group of students about myelinization in a child. Which statement by the students indicates that the teaching was successful?
A) Myelinization is completed by 4 years of age. B) The process occurs in a head-to-toe fashion. C) The speed of nerve impulses slows as myelinization occurs. D) Nerve impulses become less specific in focus with myelinization.