TEAS Using Evidence to Predict Practice Questions

5 free Using Evidence to Predict practice questions

Pick an answer and check it to see the full step-by-step explanation.

1. Question 1

   A pressure injury rarely appears all at once. It usually begins as a quiet mismatch between tissue needs and blood flow. When a patient remains in one position for too long, the weight of the body can compress small vessels, reducing oxygen delivery to skin and underlying muscle. Moisture from perspiration or incontinence weakens the skin’s protective barrier, and friction from sliding down in bed can damage fragile outer layers. Together, these factors create an avoidable cascade. Early prevention depends on noticing subtle clues. Nonblanchable redness over bony areas, a complaint of tenderness, or skin that feels warmer or firmer than surrounding tissue can signal trouble before an open wound forms. Risk is higher for patients with limited mobility, poor nutrition, reduced sensation, or impaired circulation. A quick risk screen is useful, but it is not a substitute for regular, focused skin checks. Simple interventions are most effective when they are consistent. Repositioning schedules reduce prolonged pressure, while pillows or foam wedges help offload heels and protect the sacrum. Keeping the head of the bed as low as clinically appropriate can decrease shear. Managing moisture with timely hygiene, barrier creams, and breathable linens supports intact skin. Adequate protein and hydration help tissue tolerate stress and repair minor damage. Preventing pressure injuries is not just a task to be “completed.” It is a pattern of attentive care—small actions repeated shift after shift—that protects comfort, reduces infection risk, and shortens recovery time.

   A patient has limited mobility and reduced sensation. Using evidence from the passage, which outcome is most reasonable to predict if regular skin checks and repositioning are not done?

   The patient’s skin will become less fragile because it adapts to pressure.The patient’s risk of developing a pressure injury will increase because early clues may be missed and pressure may be prolonged.The patient will be protected from pressure injuries as long as a risk screen is completed once.The patient will develop pressure injuries only if hydration is excessive.

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2. Question 2

   Hospitals are designed to save lives, yet they are rarely quiet. Monitors chirp, carts rattle over tile, overhead pages interrupt conversations, and doors click open and shut. Many staff members learn to tune out the constant soundscape, but patients—especially those who are ill, frightened, or unfamiliar with the environment—often cannot. Noise is more than an annoyance; it can influence recovery. Interrupted rest may worsen fatigue, increase irritability, and make pain harder to tolerate. For some patients, frequent awakenings can contribute to confusion, particularly at night when lighting is dim and routine cues are missing. Even short bursts of sound can trigger a stress response, raising heart rate and blood pressure. In units that care for newborns, excessive noise may disrupt feeding and sleep cycles that support growth. Reducing noise does not require silence; it requires intention. Staff can cluster care when appropriate so patients are not repeatedly disturbed for separate tasks. Soft-close bins, rubberized wheels, and designated “quiet hours” can lower background noise without affecting safety. When alarms sound, quick assessment and thoughtful adjustment of thresholds—within policy—can prevent unnecessary beeping while still protecting patients. Patients and families also benefit from clear communication: explaining what sounds are normal, offering earplugs when safe, and encouraging use of call lights instead of shouted requests. A calmer sound environment supports healing, and it also supports the clinicians who provide it.

   Which evidence from the passage best supports the conclusion that noise can affect the body’s stress levels?

   “Monitors chirp, carts rattle over tile, overhead pages interrupt conversations, and doors click open and shut.”“Interrupted rest may worsen fatigue, increase irritability, and make pain harder to tolerate.”“Even short bursts of sound can trigger a stress response, raising heart rate and blood pressure.”“Reducing noise does not require silence; it requires intention.”

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3. Question 3

   A fever can feel alarming, especially when it arrives with chills, fatigue, and a racing heart. Yet fever is not a disease; it is a response. When immune cells detect an infection or inflammation, they release chemical messengers that signal the brain’s temperature “set point” to rise. The body then conserves heat and generates more—hence the shivering and the instinct to bundle up. This temporary temperature increase can be useful. Many bacteria and viruses replicate best within a narrow temperature range. A slightly warmer environment may slow their growth while immune cells work more efficiently. Fever also encourages rest and fluid intake, two behaviors that support recovery. However, fever is not always beneficial or harmless. In older adults, the immune response can be blunted, so serious infections may occur with only a mild temperature change. In infants, a fever can be the first visible clue that something is wrong. Certain medical conditions, dehydration, and some medications can also make it harder for the body to regulate temperature. For caregivers and healthcare students, the key is interpretation rather than panic. Consider the whole picture: onset, accompanying symptoms, hydration status, mental alertness, and risk factors. Treating a fever with antipyretics may improve comfort, but it does not replace evaluating the underlying cause. In clinical practice, a thermometer reading is only the beginning of the assessment.

   A caregiver gives an infant an antipyretic and assumes no further evaluation is needed. Based on the passage, what is the most reasonable conclusion?

   This is appropriate because antipyretics replace the need to identify the cause of the fever.This may be risky because a fever can be an early clue of a serious problem, and comfort measures do not replace evaluating the underlying cause.This is unnecessary because infants rarely show fever as a sign of illness.This is best because thermometer readings are more important than symptoms or risk factors.

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4. Question 4

   Many patients leave a clinic with a familiar instruction: “Take this antibiotic three times a day.” The phrase sounds precise, yet it often creates confusion. Some people interpret “three times” as breakfast, lunch, and dinner. Others try to space doses evenly—every eight hours—only to discover that their schedule doesn’t match work shifts, childcare, or sleep. For many common antibiotics, timing matters because the medication level in the bloodstream should stay above a certain threshold long enough to slow or stop bacterial growth. If doses are clustered too closely, the level may spike and then fall too low before the next dose. If doses are skipped to “make the bottle last,” bacteria may survive and adapt, contributing to antibiotic resistance. In other words, inconsistent timing can affect both the individual’s recovery and the community’s future treatment options. Healthcare teams are increasingly using clearer language. Instead of “three times a day,” a label might read “every 8 hours while awake” or provide a sample schedule such as 7 a.m., 3 p.m., and 11 p.m. Pharmacists may also recommend pairing doses with routine events—like brushing teeth—when strict around-the-clock timing is not essential. Patients can help by asking one simple question at pickup: “Should these doses be evenly spaced, or can they fit my waking hours?” A brief clarification can prevent missed doses, reduce side effects from accidental double-dosing, and support responsible antibiotic use.

   Which prediction is best supported by the passage if a patient asks, “Should these doses be evenly spaced, or can they fit my waking hours?”

   The patient will be told to stop the antibiotic early if they feel better.The patient is more likely to avoid missed doses and accidental double-dosing.The patient will need to take twice as much medication to make up for lost time.The patient will be advised that timing never matters for antibiotics.

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5. Question 5

   Most people can name the heart’s job, but far fewer can explain what happens to the fluid that leaks out of blood vessels every minute. That “extra” fluid is not waste; it is the raw material of the lymphatic system, a quiet network that returns fluid to the bloodstream, filters potential threats, and supports immune function. As blood circulates through capillaries, pressure pushes water and small molecules into surrounding tissues to deliver oxygen and nutrients. If that fluid stayed there, ankles would swell and tissues would become waterlogged. Lymphatic capillaries—thin, one-way vessels—collect the excess and move it along larger channels. Unlike the cardiovascular system, the lymphatic system has no central pump. Instead, it relies on skeletal muscle contractions, breathing, and tiny valves that prevent backflow. This is one reason prolonged immobility can contribute to swelling. Along the route, lymph passes through lymph nodes, which act like security checkpoints. Nodes contain immune cells that identify and respond to bacteria, viruses, and abnormal cells. When nodes swell during an infection, it often reflects increased immune activity and fluid traffic, not simply “blocked glands.” Understanding lymph has practical implications in healthcare. After certain surgeries or radiation treatments, lymphatic pathways can be damaged, increasing the risk of lymphedema. Prevention strategies—gentle movement, skin care to reduce infection risk, and prompt evaluation of persistent swelling—help protect patients. Though it rarely gets attention, lymph is essential to keeping tissues balanced and defenses ready.

   A patient has had surgery that damaged lymphatic pathways. Based on the passage, which outcome is most likely if the issue is not addressed?

   The patient will be unable to produce oxygen in tissues.The patient may have an increased risk of lymphedema and persistent swelling.The patient’s heart will stop pumping effectively due to lack of lymph.The patient’s capillaries will stop delivering nutrients to tissues.

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