NCLEX-RN
NCLEX RN Exam Preview Answers
1. The healthcare provider is preparing to use an otoscope for an examination. Which statement is true regarding the otoscope?
- A. Often used to direct light into the sinuses
- B. Used to examine the structures of the internal ear
- C. Uses a short, broad speculum to help visualize the ear
- D. Directs light into the ear canal and onto the tympanic membrane
Correct answer: D
Rationale: The otoscope is a tool used to examine the ear canal and tympanic membrane, which separates the external and middle ear. It is not intended to direct light into the sinuses or examine the internal structures of the ear. The otoscope typically uses a short, narrow speculum to aid in visualizing the ear canal and tympanic membrane, not a short, broad speculum as mentioned in choice C.
2. The healthcare professional is preparing to measure the length, weight, chest, and head circumference of a 6-month-old infant. Which measurement technique is correct?
- A. Measuring the infant's length using a tape measure
- B. Weighing the infant on an electronic standing scale
- C. Measuring the chest circumference at the nipple line with a tape measure
- D. Measuring the head circumference by wrapping the tape measure around the head
Correct answer: C
Rationale: For accurate measurements, specific techniques are required for different parameters in infants. Measuring the chest circumference involves encircling the chest at the nipple line. Length should be measured on a horizontal measuring board. Weight should be measured using a platform-type balance scale. Head circumference measurement entails ensuring the tape is aligned at the eyebrows and prominent frontal and occipital bones for the widest span. Therefore, the correct technique for measuring the chest circumference is at the nipple line with a tape measure. The other options are incorrect because length should be measured on a horizontal board, weight should be measured on a balance scale, and head circumference should be measured around the head, not over the nose and cheekbones.
3. During an initial assessment interview, which statement made by a patient should serve as the priority focus for the plan of care?
- A. "I can always trust my family."?
- B. "It seems like I always have bad luck."?
- C. "You never know who will turn against you."?
- D. "I hear evil voices that tell me to do bad things."?
Correct answer: D
Rationale: The statement about hearing evil voices indicates that the patient is experiencing auditory hallucinations, which is a significant symptom that requires immediate attention and intervention. This symptom can be associated with serious mental health conditions like psychosis. Choices A, B, and C are more general statements that do not provide specific information about the patient's mental health status or symptoms, making them less urgent and not as critical for the plan of care compared to the presence of auditory hallucinations.
4. Which of the following statements best describes footdrop?
- A. The foot is permanently fixed in the dorsiflexion position
- B. The foot is permanently fixed in the plantar flexion position
- C. The toes of the foot are permanently fanned
- D. The heel of the foot is permanently rotated outward
Correct answer: B
Rationale: Footdrop results in the foot becoming permanently fixed in a plantar flexion position, not dorsiflexion. This position points the toes downward. The client may be unable to put weight on the foot, making ambulation difficult. Footdrop can be caused by immobility or chronic illnesses that cause muscle changes, such as multiple sclerosis or Parkinson's disease. Choice A is incorrect because footdrop leads to plantar flexion, not dorsiflexion. Choice C is incorrect as it describes a different condition known as 'toe fanning.' Choice D is incorrect as it describes an external rotation of the heel, which is not a characteristic of footdrop.
5. What does the medical term 'basophilia' refer to?
- A. An attachment of the epithelial cells of the skin to a basement membrane
- B. An overabundance of a particular white blood cell in the peripheral blood
- C. An underrepresentation of basophils on a blood smear
- D. None of the above
Correct answer: B
Rationale: The correct answer is 'An overabundance of a particular white blood cell in the peripheral blood.' Basophilia specifically indicates an increased number of basophils in the peripheral blood. It can be observed in conditions like leukemia and certain allergic reactions. Choice A is incorrect as it describes something unrelated to basophilia. Choice C is incorrect as it suggests a decrease in basophils, which is opposite to the actual meaning of basophilia. Choice D is also incorrect as basophilia does have a defined medical significance.
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