Epispadias refers to

The most appropriate statement by the nurse to a 15-year-old whose friend has mentioned suicide is option A. The statement acknowledges the seriousness of the situation and emphasizes the importance of taking the friend's threat seriously. It also highlights the need for immediate help and intervention. Suicide threats should never be dismissed or taken lightly, and it is crucial to involve professionals who can provide appropriate support and assistance.

"Tell your friend to come to the clinic immediately," in option B is incorrect because places the responsibility solely on the 15-year-old to relay the message to their friend, which may not be the most effective or timely approach.

"If your friend mentions suicide again, get your friend some help," in (option C) is incorrect because it does not address the urgency of the situation. Waiting for the friend to mention suicide again before acting may lead to potential harm.

"You need to gather details about your friend's suicide plan," is incorrect because places the responsibility on the 15-year-old to gather information about the friend's suicidal intentions. While understanding the situation and obtaining relevant details is important, the immediate priority is ensuring the friend's safety and seeking professional help.

The statement that accurately describes the difference between the central nervous system (CNS) of a child and an adult is option A. The brain of a term infant weighs less than half of the weight of the adult brain. The brain undergoes significant growth and development during childhood and continues to develop until early adulthood. At birth, the brain is only a fraction of its adult weight, and it continues to grow and mature over time.

infant has 150 mL of cerebrospinal fluid (CSF) compared with 50 mL in the adult in (option B), is incorrect. The volume of CSF in the CNS is not a significant difference between children and adults.

coordination and fine motor skills develop as myelination of peripheral nerves progresses in (option C), is an incorrect statement. Myelination is an ongoing process that occurs throughout childhood and contributes to the development of coordination and fine motor skills.

papilledema is a common manifestation of increased intracranial pressure (ICP) in the very young child in (option D), is not correct. Papilledema refers to swelling of the optic disc and is not commonly seen in very young children. Signs of increased ICP in young children may present differently compared to adults and can include altered mental status, irritability, vomiting, and changes in vital signs.