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The uropygial gland in birds produces oil for preening feathers.

Choose the best answer(s) about DNA extraction.

Examine the image included. In this model, the original DNA strands are replicated to produce two new molecules of DNA and each new molecule of DNA contains a parental strand and a new strand.  This illustrates the __________ model of DNA replication

A 6-year-old child has a systolic blood pressure between the 95th and 99th percentile for age, sex, and height and a diastolic blood pressure between the 90th and the 95th percentile on three separate clinic visits. This child’s blood pressure is placed in which classification? Normotensive Pre-hypertensive Stage 1 hypertensive Correct Stage 2 hypertensive

The primary care pediatric nurse practitioner is evaluating an 11-month-old infant who has had three viral respiratory illnesses causing bronchiolitis. The child’s parents both have seasonal allergies and ask whether the infant may have asthma. What will the nurse practitioner tell the parents? “Although it is likely, based on family history, it is too soon to tell.” Correct “There is little reason to suspect that your infant has asthma.” “With your infant’s history of bronchiolitis, asthma is very likely.” “Family history is not associated with asthma”

Gap junctions are found in every tissue type of the body.

A 4-year-old child diagnosed with an upper respiratory tract infection has cloudy nasal discharge and moderate nasal congestion interfering with sleep. The parent asks what product to use to help with symptoms. What will the primary care pediatric nurse practitioner recommend? Antihistamines Decongestant sprays Saline rinses Correct Zinc supplements

The primary care pediatric nurse practitioner (PNP) is performing a sports physical on an adolescent whose history reveals mild aortic stenosis (AS). What will the nurse practitioner recommend? Avoidance of all sports to prevent sudden death Clearance for any sports since this is mild Evaluation by a cardiologist prior to participation Correct Low-intensity sports, such as golf or bowling

A school-age child has had nasal discharge and daytime cough but no fever for 12 days without improvement in symptoms. The child has not had antibiotics recently and there is no significant antibiotic resistance in the local community. What is the appropriate treatment for this child? Amoxicillin 45 mg/kg/day Correct Amoxicillin 80-90 mg/kg/day Amoxicillin-clavulanate 80-90 mg/kg/day Saline irrigation for symptomatic relief

A 6-year-old child has a systolic blood pressure between the 95th and 99th percentile for age, sex, and height and a diastolic blood pressure between the 90th and the 95th percentile on three separate clinic visits. This child’s blood pressure is placed in which classification? Normotensive Pre-hypertensive Stage 1 hypertensive Correct Stage 2 hypertensive