Free ATI TEAS Practice Test

Read the following passage on diabetes management technologies: "Continuous subcutaneous insulin infusion (CSII), commonly known as insulin pump therapy, delivers rapid-acting insulin 24 hours a day through a small cannula inserted beneath the skin. Unlike multiple daily injection (MDI) regimens, which rely on fixed long-acting basal doses combined with mealtime boluses, insulin pumps can be programmed to deliver micro-doses of basal insulin at variable hourly rates. This dynamic basal rate capability allows clinicians to compensate for the dawn phenomenon—an early morning surge in blood glucose driven by cortisol and growth hormone release—thereby significantly reducing nocturnal hypoglycemia and stabilizing overall glycemic variability." According to the passage, what is a primary clinical advantage of continuous subcutaneous insulin infusion compared to multiple daily injections?

Read the following summary from an epidemiological quality improvement study: "Catheter-associated urinary tract infections (CAUTIs) represent one of the most frequent healthcare-acquired infections in acute care hospitals. In a 12-month quality improvement trial across four intensive care units, nursing leadership implemented an evidence-based clinical bundle consisting of three core protocols: (1) strict adherence to aseptic insertion technique, (2) mandatory daily nurse-driven evaluations of catheter necessity with standardized discontinuation criteria, and (3) maintenance of an unobstructed closed drainage system below the level of the bladder. Following implementation, total urinary catheter utilization days declined by 38%, and the incidence density of CAUTIs fell from 4.2 to 1.1 infections per 1,000 catheter-days." Which logical conclusion is most strongly supported by the findings presented in the study summary?

A physician orders 250 mg of an oral antibiotic suspension for a pediatric patient. The pharmacy dispenses the medication in a liquid concentration of 125 mg per 5 mL. How many milliliters (mL) should the nurse administer for a single dose?

A patient receiving continuous intravenous hydration receives 1,200 mL of 0.9% normal saline at a constant rate over a 6-hour period. If the provider increases the infusion rate by 25% for the subsequent 4 hours, what is the total volume of IV fluid (in mL) administered to the patient over the entire 10-hour duration?

During the cardiac cycle, which specialized anatomical structure serves as the primary intrinsic pacemaker of the heart, spontaneously generating action potentials that initiate atrial depolarization?

A laboratory technician places human red blood cells (erythrocytes), which have an internal solute concentration equivalent to 0.9% NaCl, into a beaker containing a 0.2% NaCl solution. Which physiological transport process will occur, and what will be the effect on the erythrocytes?

Which of the following sentences adheres to standard rules of formal written English without misplaced modifiers, comma splices, or errors in parallel structure?

Select the option that correctly completes the sentence following standard rules of subject-verb agreement: "Neither the clinical nurse specialist nor the attending physicians ______ willing to discharge the postoperative patient until the arterial blood gas analysis was completed."

Read the following scientific passage: "The human gut microbiome comprises trillions of symbiotic microorganisms inhabiting the gastrointestinal tract, predominantly in the colon. Recent neurobiological research demonstrates bidirectional biochemical communication between the gut microbiota and the central nervous system, termed the gut-brain axis. Microorganisms synthesize essential neurotransmitters—including gamma-aminobutyric acid (GABA), dopamine, and over 90% of the body’s peripheral serotonin. Communication occurs primarily through the vagus nerve, systemic immune signaling, and the production of short-chain fatty acids (SCFAs) like butyrate and propionate during dietary fiber fermentation. Disruptions in microbial biodiversity, known as dysbiosis, have been correlated with systemic inflammation, irritable bowel syndrome, and mood disorders, establishing the gut microbiome as an active regulator of systemic homeostasis." According to the passage, through which primary neural pathway do gut microorganisms communicate with the central nervous system?

Read the following excerpt from a contemporary medical narrative: "The rhythmic, metronomic chime of the bedside monitor was the only steady sound piercing the dim stillness of Room 412. Elena stood at the foot of Mr. Vance’s bed, her clipboard hanging loosely from one hand, watching the shallow rise and fall of his chest. For three nights, she had tracked the erratic arc of his oxygen saturation curve like a navigator charting a vessel through treacherous shoals. Every subtle dip below ninety percent tightened a familiar knot in her chest, but tonight, for the first time since his admission, the digital tracing held steady at ninety-four. Elena exhaled slowly, letting her shoulders drop, though she kept her pen uncapped—well aware that in critical care, tranquility is never an enduring promise, only a brief interlude." In the excerpt, the author's primary purpose in comparing Elena to a "navigator charting a vessel through treacherous shoals" is to:

Read the following passage from a hospital safety committee memorandum: "Communication breakdowns during shift handoffs remain a leading root cause of sentinel events in acute healthcare facilities. To mitigate handoff ambiguity, our facility mandated the standardized SBAR (Situation, Background, Assessment, Recommendation) framework. Over a six-month evaluation period across medical-surgical units, the incidence of missed medication administrations during shift transitions declined by 42%, while nursing staff satisfaction regarding handoff clarity increased from 61% to 88%. However, surgical units reported an initial 15% increase in total handoff duration during the first month, which subsequently normalized as staff became proficient with the structured communication template." Which piece of evidence from the text best challenges the counterargument that standardized communication frameworks are overly time-consuming and inefficient for clinical staff?

Read the following historical excerpt on aseptic technique: "Before the mid-nineteenth century, post-surgical wards were plagued by hospital gangrene and erysipelas, conditions widely attributed to noxious atmospheric vapors termed 'miasmas.' Surgeons routinely operated in blood-encrusted coats, viewing surgical stains as badges of professional experience rather than vectors of contagion. In 1867, inspired by Louis Pasteur's germ theory of fermentation, British surgeon Joseph Lister introduced carbolic acid (phenol) dressings to sterilize surgical wounds and instruments. Although his antiseptic methods initially met with fierce skepticism from established medical authorities who ridiculed invisible 'germs,' Lister's dramatic reduction of post-amputation mortality from 45% to 15% provided irrefutable empirical validation that ultimately revolutionized global surgical practice." The author’s tone in describing the historical medical community’s initial reaction to Joseph Lister’s antiseptic techniques can best be characterized as:

A nursing student must calculate the percentage of total daily fluid intake consumed by a patient during the morning shift. The patient consumed 3/8 of their total recommended fluid intake before lunch and an additional 0.25 of their total fluid intake with lunch. What percentage of the patient's total daily fluid intake remains to be consumed during the afternoon and evening shifts?

Solve the linear algebraic equation for x: 3(2x - 4) + 5 = 2(x + 7) + 3 What is the value of x?

A pediatric patient weighs 44 pounds (lb). A physician prescribes an oral medication at a dosage of 15 mg per kilogram (kg) of body weight per day, to be administered in 3 equally divided doses every 8 hours. (1 kilogram ≈ 2.2 pounds) How many milligrams (mg) should the patient receive per individual dose?

Which specialized pulmonary cells produce pulmonary surfactant, a phospholipid-protein complex that reduces alveolar surface tension and prevents alveolar collapse (atelectasis) during exhalation?

In the functional microscopic unit of the kidney (the nephron), where does the vast majority of water, glucose, amino acids, and sodium reabsorption back into the peritubular capillaries occur?

When blood glucose levels drop below the normal fasting set point (hypoglycemia), which pancreatic endocrine cells release which hormone to stimulate hepatic glycogenolysis and gluconeogenesis?

Which physiological response is mediated by the parasympathetic division of the autonomic nervous system?

Cystic fibrosis is an autosomal recessive genetic disorder caused by mutations in the CFTR gene. If two parents are both asymptomatic heterozygous carriers of the mutated cystic fibrosis allele (genotype Cc), what is the statistical probability that their biological child will inherit cystic fibrosis (genotype cc)?

A solution has a pH of 4.0, while a second solution has a pH of 7.0. How does the hydrogen ion concentration [H+] of the first solution compare to that of the second solution?

A team of nurse researchers investigates the impact of guided imagery on postoperative pain scores in patients undergoing total knee arthroplasty. Patients are randomly assigned to either receive standard postoperative analgesics alone or standard analgesics plus 20 minutes of daily guided imagery audio sessions. Pain intensity is recorded twice daily using the standardized 0–10 Numeric Rating Scale. In this clinical study design, what is the independent variable?

Which of the following sentences is punctuated correctly according to standard rules of written English?

Identify the sentence that contains a sentence fragment rather than a complete grammatical sentence:

Read the following excerpt from a clinical admission note: "Following the cerebrovascular accident, the speech-language pathologist evaluated the patient and documented severe **dysphagia**, recommending an immediate modified barium swallow study and pureed diet precautions." Based on the Greek roots **dys-** (difficult, disordered) and **phag-** (to eat, swallow), what does the medical term **dysphagia** mean in this clinical context?