NCLEX-RN
NCLEX RN Actual Exam Test Bank
1. Which gland of the endocrine system secretes a hormone that assists with the sleep/wake cycle?
- A. Pituitary
- B. Pineal
- C. Pancreas
- D. Hypothalamus
Correct answer: B
Rationale: The correct answer is the Pineal gland. The Pineal gland, located in the brain, secretes melatonin, which plays a crucial role in regulating the sleep/wake cycle in response to exposure to light. The Pituitary gland (Choice A) secretes various hormones but not specifically related to the sleep/wake cycle. The Pancreas (Choice C) secretes insulin and digestive enzymes, not hormones related to the sleep/wake cycle. The Hypothalamus (Choice D) is involved in regulating many bodily functions, including hormone secretion, but it does not directly secrete the hormone that regulates the sleep/wake cycle.
2. A healthcare professional is asked to draw blood in the antecubital (AC) space. Which of the following veins are found in the AC?
- A. Cephalic
- B. Median cubital
- C. Basilic
- D. All of the above
Correct answer: D
Rationale: The correct answer is 'All of the above.' All three of these veins - the cephalic, median cubital, and basilic veins - are located in the antecubital space, which is the area in front of the elbow on the arm. The cephalic vein runs along the outer side of the arm, the basilic vein runs along the inner side of the arm, and the median cubital vein is a connecting vein between the cephalic and basilic veins. Therefore, all three veins can be accessed when drawing blood from the antecubital space. Choices A, B, and C are incorrect because each of these veins individually can be found in the antecubital space.
3. When counting an infant's respirations, which technique is correct?
- A. Watching the chest rise and fall
- B. Observing the movement of the abdomen
- C. Placing a hand across the infant's chest
- D. Using a stethoscope to listen to the breath sounds
Correct answer: B
Rationale: The correct technique for counting an infant's respirations is to observe the movement of the abdomen. Infants typically have more diaphragmatic breathing than thoracic, so watching the abdomen provides a more accurate count. Placing a hand on the chest or listening with a stethoscope can alter the infant's breathing pattern and provide inaccurate results. Therefore, options A, C, and D are incorrect methods for counting an infant's respirations. By observing the movement of the abdomen, healthcare providers can accurately assess an infant's respiratory rate without influencing their breathing pattern.
4. A 30-year-old woman has recently moved to the United States with her husband. They are living with the woman's sister until they can get a home of their own. When company arrives to visit the woman's sister, the woman feels suddenly shy and retreats to the back bedroom to hide until the company leaves. She explains that her reaction to guests is simply because she does not know how to speak "perfect English."? What is this woman likely experiencing?
- A. Culture shock
- B. Cultural taboos
- C. Cultural unfamiliarity
- D. Culture disorientation
Correct answer: A
Rationale: The woman in the scenario is likely experiencing culture shock. Culture shock is a term used to describe the state of disorientation or inability to respond to the behavior of a different cultural group due to sudden strangeness, unfamiliarity, and incompatibility with the individual's perceptions and expectations. In this case, the woman's feelings of shyness and retreating due to not feeling confident in speaking 'perfect English' align with symptoms of culture shock. The other choices are incorrect: Cultural taboos refer to behaviors or actions that are prohibited within a particular culture; cultural unfamiliarity suggests a lack of knowledge about a specific culture, which is not the case here; and culture disorientation is not a commonly used term in cultural psychology, making it an incorrect option.
5. Where is the Loop of Henle located in the body?
- A. Liver
- B. Kidney
- C. Heart
- D. Ear
Correct answer: B
Rationale: The Loop of Henle is a crucial structure found in the kidneys. It plays a vital role in the concentration of urine by creating a concentration gradient in the renal medulla. Choices A, C, and D are incorrect because the Loop of Henle is not located in the liver, heart, or ear. Understanding the anatomical location of the Loop of Henle is essential in comprehending renal physiology and the mechanism of action of diuretic medications.
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