What is a reflex arc?
Answer: A rapid, automatic pathway: receptor → sensory neuron → spinal cord (interneuron) → motor neuron → effector.
Explanation
Bypasses the brain for speed.
Exam prep · ATI TEAS
The TEAS is the gate to most nursing programs, and the science section is where applicants lose the most points. Anatomy and physiology alone is a third of it. The decks below cover the recall half of the exam; build the rest from your own review book.
Updated 2026-10-23. Decks are shared by Quizcard and its users; study them on the page or copy them into a free account.
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What is a reflex arc?
Answer: A rapid, automatic pathway: receptor → sensory neuron → spinal cord (interneuron) → motor neuron → effector.
Bypasses the brain for speed.
Innate vs adaptive immunity?
Answer: Innate: fast, nonspecific defenses (skin, inflammation, phagocytes). Adaptive: slower, specific responses by B cells (antibodies) and T cells with memory.
Vaccines train adaptive immunity.
What does ADH (antidiuretic hormone) do?
Answer: It makes the kidneys reabsorb more water, producing concentrated urine.
Released by the posterior pituitary when the body is dehydrated.
What is the nephron?
Answer: The functional unit of the kidney that filters blood and forms urine.
Each kidney has about a million nephrons.
What are the main functions of the stomach, small intestine, and large intestine?
Answer: Stomach: mechanical and chemical digestion (acid, pepsin). Small intestine: most digestion and nutrient absorption. Large intestine: water absorption and feces formation.
The liver produces bile; the pancreas supplies digestive enzymes.
What muscle drives inhalation?
Answer: The diaphragm; when it contracts and flattens, the chest cavity expands and air flows in.
Exhalation at rest is passive.
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Four to six weeks with daily flashcards and two practice tests is typical for applicants who have taken a recent anatomy course.
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They cover the high-yield recall. Pair them with a practice test and cards from your own misses.
Official information: ATI: TEAS. Formats and weights change; check the official page before test day.
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