The pediatric nurse understands that fragile X syndrome is:
a. A chromosome defect affecting only females.
b. A chromosome defect that follows the pattern of X-linked recessive disorders.
c. The second most common genetic cause of cognitive impairment.
d. The most common cause of noninherited cognitive impairment.
ANS: C
Fragile X syndrome is the most common inherited cause of cognitive impairment and the second most common genetic cause of cognitive impairment after Down syndrome. Fragile X primarily affects males and follows the pattern of X-linked dominant disorders with reduced penetrance.
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A patient sustained an injury to the right arm after falling off a motorcycle. The patient is complaining of severe pain and is unable to feel the fingers of the right hand. Radial pulse is absent. What is the priority intervention by the nurse?
A) Elevate the right arm above the level of the heart. B) Notify the physician. C) Apply ice packs to the affected area. D) Place the patient in Trendelenburg position.
When a man cannot achieve an erection, the phase of the sexual response in which the man is experiencing difficulty is:
A) refractory phase. B) obligatory phase. C) excitement phase. D) orgasmic phase.
A new father wants to know what medication was put into his infant's eyes and why it is need-ed. The nurse explains to the father that the purpose of the Ilotycin ophthalmic ointment is to:
a. Destroy an infectious exudate caused by Staphylococcus that could make the infant blind. b. Prevent gonorrheal and chlamydial infec-tion of the infant's eyes potentially ac-quired from the birth canal. c. Prevent potentially harmful exudate from invading the tear ducts of the infant's eyes, leading to dry eyes. d. Prevent the infant's eyelids from sticking together and help the infant see.
Stereotypic behaviors of males with Fragile X syndrome include a lack of eye contact, aggression, anxiety, and:
1. Jerking legs. 2. Hand flapping. 3. Pill-rolling of the fingers. 4. All of the above