NCLEX-PN
Kaplan NCLEX Question of The Day
1. The nurse is caring for a client admitted with Class III/IV Pulmonary Hypertension. The nurse explains to the client that Lanoxin is being administered to the client in order to:
- A. Manage peripheral edema
- B. Improve right ventricular function
- C. Increase pulmonary pressure
- D. Constrict the pulmonary vessels
Correct answer: B
Rationale: The correct answer is to improve right ventricular function. Lanoxin, also known as digoxin, is a cardiac glycoside that works by slowing the heart rate and increasing myocardial contractility, especially in the ventricles. This action helps improve the efficiency of the heart's pumping function, particularly the right ventricle in conditions like pulmonary hypertension. Choice A, managing peripheral edema, is not directly related to Lanoxin's mechanism of action. Choice C, increasing pulmonary pressure, is incorrect as Lanoxin is not used to increase pressure in the pulmonary circulation. Choice D, constricting the pulmonary vessels, is incorrect as Lanoxin does not cause vasoconstriction in the pulmonary vessels but rather acts on the heart's contractility.
2. A newborn baby exhibits a reflex that includes hand opening, abducted, and extended extremities following a jarring motion. Which of the following correctly identifies the reflex?
- A. ATNR reflex
- B. Startle reflex
- C. Grasping reflex
- D. Moro reflex
Correct answer: D
Rationale: The Moro reflex, also known as the startle reflex, is the correct answer. This reflex is characterized by the baby's response to a sudden head movement or loud noise, causing them to open their hands, extend their arms, and then bring them back towards their body. The characteristics mentioned in the question - hand opening, abducted, and extended extremities following a jarring motion - align with the Moro reflex. The asymmetrical tonic neck reflex (ATNR) involves the head turning to one side with extension of the same side's arm and leg, not the described characteristics. The grasping reflex involves the baby's response to touch on the palm, causing them to grasp an object. While the Moro reflex is often referred to as the startle reflex due to its response to sudden stimuli, the specific characteristics described in the question match the Moro reflex.
3. A healthcare professional is screening patients for immunizations. Which of the following is not a contraindication for immunization?
- A. Seizures
- B. Fever lasting more than 3 days
- C. Malignancy within the past 3 months
- D. Illness lasting more than 6 months
Correct answer: D
Rationale: The correct answer is D, 'Illness lasting more than 6 months.' Chronic conditions lasting more than 6 months are not considered a contraindication for immunization. Choice A, 'Seizures,' can be a contraindication in certain situations, especially if linked to a specific vaccine component. Choice B, 'Fever lasting more than 3 days,' can be a temporary precaution but not a general contraindication. Choice C, 'Malignancy within the past 3 months,' is a contraindication due to the compromised immune system in cancer patients.
4. Which of the following microorganisms is easily transmitted from client to client on the hands of healthcare workers?
- A. mycobacterium tuberculosis
- B. clostridium tetani
- C. staphylococcus aureus
- D. human immunodeficiency virus
Correct answer: C
Rationale: The correct answer is staphylococcus aureus. Staphylococcus aureus microorganisms are ubiquitous and easily transmitted by healthcare workers who fail to conduct routine hand washing between clients. Staphylococcus aureus can reside on the skin and be transferred from one client to another if proper hand hygiene is not practiced. Mycobacterium tuberculosis is mainly transmitted through the airborne route, clostridium tetani is usually acquired through exposure to soil or dirt contaminated with tetanus spores, and human immunodeficiency virus is not easily transmitted through casual contact or on the hands of healthcare workers.
5. A nurse working in a pediatric clinic observes the following situations. Which of the following may indicate a delayed child to the nurse?
- A. A 12-month-old that does not 'cruise'.
- B. An 8-month-old that can sit upright unsupported.
- C. A 6-month-old that is rolling prone to supine.
- D. A 3-month-old that does not roll supine to prone.
Correct answer: A
Rationale: The correct answer is 'A 12-month-old that does not 'cruise''. At 12 months, a child should at least be 'cruising' (holding on to objects to walk), which is considered pre-walking. The other choices describe age-appropriate developmental milestones: sitting upright unsupported by 8 months, rolling prone to supine by 6 months, and rolling supine to prone by 3 months. Not 'cruising' at 12 months may indicate a delay in motor skills development.
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