Which factor is most important in predisposing toddlers to frequent infections such as otitis media, tonsillitis, and upper respiratory tract infections?
Respirations are abdominal
Pulse and respiratory rates are slower than those in infancy
Defense mechanisms are less efficient than those during infancy
The presence of short, straight internal ear/throat structures and large tonsil/adenoid lymph tissue
The Correct Answer is D
This is because toddlers continue to have the short, straight internal ear canal of infants.
The lymphoid tissue of the tonsils and adenoids continues to be relatively large. These two anatomic conditions combine to predispose the toddler to frequent infections.
Choice A is wrong because respirations are abdominal. This does not affect the susceptibility to infection.
Choice B is wrong because pulse and respiratory rates are slower than those in infancy. This also does not affect the susceptibility to infection.
Choice C is wrong because defense mechanisms are less efficient than those during
infancy. This is not true, as the defense mechanisms are more efficient compared with those of infancy.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Vernix caseosa is a cheese-like, whitish substance that fuses with the epidermis and serves as a protective coating for the newborn.
Some possible explanations for the other choices are:
- Choice B. Surfactant is a protein that lines the alveoli of the infant’s lungs and helps prevent them from collapsing.
- Choice C. Caput succedaneum is a swelling of the tissue over the presenting part of the fetal head caused by pressure during delivery.
- Choice D. Acrocyanosis is a bluish discoloration of the hands and feet due to reduced peripheral circulation.
Normal ranges for vernix caseosa are not applicable as it varies depending on the gestational age and skin maturity of the newborn. However, it is usually more abundant in preterm infants than in term or post-term infants.
Correct Answer is ["A","B"]
Explanation
Pitocin and Methergine are both medications used to manage postpartum hemorrhage (PPH) by causing the uterus to contract and reduce bleeding. Pitocin is the most effective and preferred medication for PPH prevention and treatment.
Choice C is wrong because Terbutaline is a medication that relaxes the uterus and is used to stop preterm labor, not PPH.
Choice D is wrong because Hemabate is a brand name for carboprost, which is a prostaglandin that can be used for PPH, but it has more side effects and contraindications than Pitocin or Methergine.
Choice E is wrong because Magnesium sulfate is a medication that prevents seizures in women with preeclampsia or eclampsia, not PPH.
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