Nokea
A nurse is caring for a client who was received in the emergency department with a heart rate of 220 beats per minute. The client's cardiac monitor displays supraventricular tachycardia (SVT). Which of the following interventions should the nurse anticipate?
- A. Apply compression stockings
- B. Perform Valsalva maneuver
- C. Draw labs
- D. Check blood glucose
Correct Answer: B
Rationale: SVT's 220 bpm blitz needs breaking Valsalva maneuver, bearing down, jolts the vagus nerve, slowing rate, a first-line trick. Stockings aid veins, not rhythm. Labs or glucose inform, don't fix. Nurses anticipate this, calming tachycardia, a quick, non-invasive hit in this racing heart emergency.
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Upon percussion of the midclavicular line from cranial to caudal, you can locate the absolute and relative lung-liver borders. Question: What produces the sound you hear between these two borders?
- A. It is caused by lung tissue
- B. It is caused by liver tissue
- C. It is caused by colon tissue
- D. It is caused by the overlap of lung tissue and liver tissue
Correct Answer: D
Rationale: Lung-liver edge overlap dulls the tap, not pure lung, liver, or colon. Nurses hear this, a chronic border beat.
Which of the following options applies to the accumulation of macrophages in adipose tissue?
- A. This accumulation has been shown in mice but not in humans
- B. This accumulation is negatively correlated with the size of the adipose cells
- C. This accumulation cannot be influenced by weight reduction
- D. None of the options applies
Correct Answer: D
Rationale: Macrophages swarm fat in humans big cells pull them, weight loss shrinks the crowd, not mouse-only or stuck. Nurses see this, a chronic inflammation truth.
The nurse is caring for a patient with colon cancer who is scheduled for external radiation therapy to the abdomen. Which information obtained by the nurse would indicate a need for patient teaching?
- A. The patient has a history of dental caries.
- B. The patient swims several days each week.
- C. The patient snacks frequently during the day.
- D. The patient showers each day with mild soap.
Correct Answer: B
Rationale: Abdominal radiation fries skin swimming in chlorinated or salt water during treatment risks irritation or infection in that tender zone. Dental caries don't tie in. Snacking might help nutrition, not hurt. Mild soap showers are fine. Nurses in oncology flag this no swimming' protects radiated skin, a teaching must to dodge complications.
Which of the following statements regarding weight regulation is FALSE?
- A. Functional MRI (fMRI) studies have shown overactivation of reward-encoding brain regions and/or deficiency in cortical inhibitory networks in obese people
- B. The homeostatic weight regulation circuitry centres around the corticolimbic structures of the brain
- C. Liking and wanting of food are subconscious processes
- D. The reward system of weight regulation is nonhomeostatic in nature
Correct Answer: B
Rationale: Weight regulation involves homeostatic (hypothalamic) and nonhomeostatic (reward-driven) systems. fMRI studies showing reward region overactivation in obesity, subconscious liking/wanting, and the reward system's nonhomeostatic nature are true. However, homeostatic regulation centers on the hypothalamus, not corticolimbic structures (involved in reward/emotion), making this false. Understanding this distinction aids physicians in addressing both physiological and behavioral drivers in chronic obesity management.
Which of the following models calls for a political response to disability?
- A. Social
- B. Medical
- C. Activist
- D. Collaborative
Correct Answer: A
Rationale: Social model demands political fixes disability's a society fail, not body flaw nurses see it push access, not just meds. Medical treats; activist's vague; collaborative teams up, no policy call. It's a chronic shift, environment over anatomy.