A nurse is planning care for a 4-year-old child who requires airborne precautions. Which of the following activities should the nurse plan for the child?

Choice A reason: This choice is incorrect because the radial artery is not an ideal site to assess the heart rate in an infant. The radial artery is located on the thumb side of the wrist, and it can be palpated by placing two fingers over it. It may be used for adults or older children who have a strong pulse, but it may be difficult to locate or feel in an infant who has a small or weak pulse.

Choice B reason: This choice is incorrect because the carotid artery is not an ideal site to assess the heart rate in an infant. The carotid artery is located on either side of the neck, and it can be palpated by placing two fingers over it. It may be used for adults or older children who have a cardiac arrest or shock, but it may be risky to use in an infant who has a fragile neck or airway.

Choice C reason: This choice is incorrect because the brachial artery is not an ideal site to assess the heart rate in an infant. The brachial artery is located on the inner side of the upper arm, and it can be palpated by placing two fingers over it. It may be used for infants or young children who have a blood pressure measurement, but it may be uncomfortable or inaccurate to use for a heart rate assessment.

Choice D reason: This choice is correct because the apex of the heart is an ideal site to assess the heart rate in an infant. The apex of the heart is located at the fifth intercostal space on the left midclavicular line, and it can be auscultated by placing a stethoscope over it. It may be used for infants or young children who have a regular and strong heartbeat, and it may provide the most accurate measurement of the heart rate.

Choice A: Muscular dystrophy is not an example of a neural tube defect, but rather a group of genetic disorders that cause progressive weakness and loss of muscle mass. Muscular dystrophy affects the skeletal muscles that control movement and may also affect the heart, lungs, or other organs. Muscular dystrophy is caused by mutations in genes that encode proteins that protect muscle fibers from damage.

Choice B: Spina bifida is an example of a neural tube defect, which is a birth defect that occurs when the neural tube, which is the structure that develops into the brain and spinal cord, does not close completely during the first month of pregnancy. Spina bifida causes an opening in the spine that exposes the spinal cord and nerves and may result in physical and mental disabilities. Spina bifida can be prevented by taking folic acid before and during pregnancy.

Choice C: Hydrocephalus is not an example of a neural tube defect, but rather a condition that causes accumulation of cerebrospinal fluid (CSF) in the brain. Hydrocephalus can increase the pressure inside the skull and damage the brain tissue and function. Hydrocephalus can be caused by congenital defects, infections, injuries, tumors, or bleeding in the brain.

Choice D: Cerebral palsy is not an example of a neural tube defect, but rather a group of disorders that affect movement, balance, and posture. Cerebral palsy is caused by damage to the developing brain before, during, or after birth. Cerebral palsy can affect muscle tone, coordination, reflexes, or speech. Cerebral palsy can be caused by infections, injuries, lack of oxygen, or genetic mutations.