The nurse is assessing the respiratory system of a newborn. Which anatomic differences place the infant at risk for respiratory compromise? (Select All that Apply.)

The nasal passages are narrower.

The tongue is smaller.

There are significantly fewer alveoli.

The larynx is more funnel shaped.

The trachea and chest wall are less compliant.

Answer and Explanation

Correct Answer : A,C,D,E

A. Narrower nasal passages can lead to increased airway resistance and difficulty in breathing, as infants are primarily nasal breathers.

B. A smaller tongue does not directly contribute to respiratory compromise; however, it can pose a risk for airway obstruction if the tongue falls back against the oropharynx.

C. Significantly fewer alveoli mean less surface area for gas exchange, which can impair oxygenation and carbon dioxide elimination.

D. A more funnel-shaped larynx can predispose infants to upper airway obstruction and increase the work of breathing.

E. Less compliant trachea and chest wall make it harder for the infant to expand the lungs, leading to increased work of breathing and potential respiratory distress.

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Correct Answer is B

Explanation

A. Significant increase in brain sizE. While brain development continues during adolescence, the most significant increase in brain size occurs during early childhood rather than adolescence.

B. Ossification completed later in girls: Ossification, the process of bone formation, typically continues into late adolescence or early adulthood, and completion may occur later in girls compared to boys. This process contributes to changes in height and bone density during adolescence.

C. Decrease in heart ratE. During adolescence, there may be some changes in heart rate due to

the influence of hormones and physical growth, but a decrease in heart rate is not a consistent or universal characteristic of this developmental stage.

D. Decrease in activity of sebaceous glands: Adolescence is typically associated with an increase rather than a decrease in the activity of sebaceous glands, leading to increased oil production and the potential for acne development. Hormonal changes during puberty stimulate the sebaceous

glands, contributing to changes in skin texture and appearance.

A. "This is a primitive reflex known as the palmar grasp." B. "This is a protective reflex known as rooting." C. "This is a primitive reflex known as the plantar grasp." D. "This is a protective reflex known as the Moro reflex."

Correct Answer is A

Explanation

A. "This is a primitive reflex known as the palmar grasp.": The palmar grasp reflex is a primitive reflex observed in newborns where they automatically grasp onto objects (or fingers) that touch

their palms. This reflex typically disappears by around 6 months of age.

B. "This is a protective reflex known as rooting.": Rooting is a reflex where newborns turn their head and open their mouth in response to cheek or mouth stimulation, facilitating breastfeeding. It is not related to grasping objects with the hands.

C. "This is a primitive reflex known as the plantar grasp.": The plantar grasp reflex is similar to the palmar grasp but occurs when pressure is applied to the sole of the foot. It is unrelated to grasping objects with the hands.

D. "This is a protective reflex known as the Moro reflex.": The Moro reflex, also known as the startle reflex, involves the newborn's arms and legs extending and then flexing in response to a sudden movement or loud noise. It is not related to grasping objects with the hands.

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The nurse is assessing the respiratory system of a newborn. Which anatomic differences place the infant at risk for respiratory compromise? (Select All that Apply.)

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Naxlex Comprehensive Predictor Exams

When describing the various changes that occur in organ systems during adolescence, what would the nurse include?

Correct Answer is B

Explanation

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Correct Answer is A

Explanation

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