NCLEX-RN
NCLEX RN Exam Preview Answers
1. What is the most important step that healthcare personnel can take to prevent the transmission of microorganisms in the hospital setting?
- A. Wear protective eyewear at all times.
- B. Wear gloves whenever in direct contact with patients.
- C. Wash hands before and after contact with each patient.
- D. Clean the stethoscope with an alcohol swab between patients.
Correct answer: C
Rationale: The most crucial step in preventing the transmission of microorganisms in the hospital setting is proper hand hygiene. Healthcare personnel should wash their hands thoroughly before and after each patient contact to reduce the risk of spreading infections. While cleaning the stethoscope with an alcohol swab between patients is recommended, it is secondary to hand hygiene. Wearing protective eyewear at all times is not necessary for routine patient care unless specifically indicated, and wearing gloves only when in direct contact with patients is important but not as critical as proper handwashing. Therefore, the correct answer is to wash hands before and after contact with each patient.
2. Which of the following descriptions best describes the function of the thyroid gland?
- A. The thyroid gland converts glucose into glycogen
- B. The thyroid gland secretes cortisol during times of stress
- C. The thyroid gland regulates body metabolism
- D. The thyroid gland affects skin pigmentation
Correct answer: C
Rationale: The thyroid gland is responsible for secreting thyroxine (T4) and triiodothyronine (T3), which work to regulate the metabolism of the body's cells. The primary function of the thyroid gland is to control the body's metabolic rate, affecting processes such as heart rate, temperature regulation, and energy levels. Choices A, B, and D are incorrect because the thyroid gland is not involved in converting glucose into glycogen, secreting cortisol, or affecting skin pigmentation. Instead, the primary role of the thyroid gland is to regulate the metabolism and energy balance in the body.
3. What is the primary purpose of a patient care meeting or conference?
- A. the patient's ability to pay for the costs of their care
- B. how the healthcare team can best meet the patient's needs
- C. the patient's physical status and condition
- D. the patient's psychosocial status and condition
Correct answer: B
Rationale: The primary purpose of a patient care meeting or conference is to determine how the healthcare team can best meet the patient's needs. These meetings involve discussions among healthcare professionals to tailor the care plan to the specific needs and preferences of the patient. Option A is incorrect because financial discussions are generally not the primary focus of patient care meetings. Option C is incorrect as the patient's physical status is usually already known and is not the primary purpose of the meeting. Option D is incorrect as psychosocial aspects, while important, are not the sole focus of the meeting, which is primarily about addressing the patient's overall needs and preferences.
4. The healthcare professional is preparing to percuss the abdomen of a patient. What characteristic of the underlying tissue does percussion assess?
- A. Turgor
- B. Texture
- C. Density
- D. Consistency
Correct answer: C
Rationale: Percussion is a technique used to assess the density of underlying organs by producing sounds that help determine their location and size. Turgor, texture, and consistency are primarily assessed through palpation, not percussion. Turgor refers to skin elasticity, texture pertains to the feel of the tissue surface, and consistency relates to the firmness or resistance of the tissue.
5. Which of the following puts the layers of skin in the correct order from right to left?
- A. Dermis, epidermis, hypodermis
- B. Hypodermis, epidermis, dermis
- C. Epidermis, dermis, hypodermis
- D. None of the above
Correct answer: C
Rationale: The correct order of the layers of skin from outermost to innermost is the epidermis, dermis, and then the hypodermis. The epidermis is the outermost layer of the skin, followed by the dermis, which is the middle layer containing connective tissue, hair follicles, and sweat glands. The hypodermis, also known as the subcutaneous tissue, lies beneath the dermis and consists of fat and connective tissue. Choice A is incorrect as it lists the layers in the reverse order. Choice B is incorrect as it reverses the order of the layers. Choice D is incorrect as there is a correct answer among the choices.
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