ATI Teas A&P Practice Test Exam Questions and Answers |Updated and Verified 2025/2026

ATI Teas A&P Practice Test Exam Questions and Answers |Updated and Verified 2025/2026 Which of the following tissues attaches muscle to bone? A.) Fascia B.) Tendon C.) Ligament D.) Bursa - answer-Tendon Which of the following ions is most abundant in extracellular fluid? A.) Calcium B.) Chloride C.) Sodium D.) Potassium - answer-Sodium Which of the following does the respiratory system eliminate when there is an excess of hydrogen ions in the body? A.) Oxygen B.) Carbon Dioxide C.) Bicarbonate D.) Lactic Acid - answer-Carbon Dioxide In a normally functioning cardiovascular system where does a heartbeat originate? A.) atrioventricular node B.) the bundle of his C.) purkinje fibersD.) sinoatrial node - answer-Sinoatrial node Blood cells are produced by which of the following? A.) Red bone marrow B.) Lamellae C.) Lacunae D.) Yellow bone marrow - answer-Red bone marrow Which of the following is the iron-containing component of a red blood cell? A.) Fibrinogen B.) Albumin C.) Hemoglobin D.) Erythropoietin - answer-Hemoglobin Which of the following is the function of angiotensin II in the regulation of blood pressure? A.) Vasoconstriction B.) Vasodilation C.) Increased heart rate D.) Decreased heart rate - answer-Vasoconstriction Which of the following hormones or enzymes is involved in fluid balance and is produced by the kidneys? A.) Renin B.) Aldosterone C.) Antidiuretic hormone D.) Angiotensin I - answer-Renin Which of the following may indicate a hypersecretion of thyroid hormones? A.) Weight lossB.) Bradycardia C.) Cold intolerance D.) Lethargy - answer-Weight loss Peripheral vasodilation results in heat loss through which of the following processes? A.) Conduction B.) Convection C.) Radiation D.) Evaporation - answer-Radiation Bile aids in the digestion of which of the following? A.) Fat B.) Protein C.) Vitamins D.) Carbohydrates - answer-Fat Which of the following structures, located at the end of the ear canal, vibrates when sound waves strike it? A.) Acoustic Meatus B.) Cochlea C.) Eustachian tube D.) Tympanic membrane - answer-Tympanic membrane Which of the following structures prevents food from being aspirated into the lungs? A.) Larynx B.) Epiglottis C.) Esophagus D.) Nasopharynx - answer-Epiglottis