HESI Practice Test Questions and Answers | Latest Version | 2025/2026 | Correct & Verified

HESI Practice Test Questions and Answers | Latest Version | 2025/2026 | Correct & Verified What is the fluid part of blood that carries cells, nutrients, and hormones? Plasma What is the smallest bone in the human body? Stapes Which process converts glucose into ATP in the presence of oxygen? Cellular respiration What is the primary site of photosynthesis in a plant cell? Chloroplast What is the main nitrogenous waste excreted in human urine? Urea 2 Which element has the chemical symbol Fe? Iron What is the main structural carbohydrate in plant cell walls? Cellulose Which part of the brain controls breathing and heart rate? Medulla oblongata What is the process by which green plants release oxygen into the atmosphere? Photosynthesis Which type of bond is formed between oppositely charged ions? Ionic bond What is the molecule that provides direct energy for cellular work? ATP 3 Which part of the DNA molecule carries the genetic code? Nitrogenous bases What is the function of the epiglottis? Prevent food from entering the airway What is the main role of the lysosome in a cell? Digest waste and cellular debris Which type of reaction absorbs heat from its surroundings? Endothermic reaction Which molecule is the primary source of energy for cells? Glucose Which type of tissue connects bone to bone? Ligament 4 What is the chemical symbol for calcium? Ca What is the process by which mRNA is made from DNA? Transcription Which part of the human skeleton protects the brain? Cranium What is the functional unit of the kidney? Nephron What is the basic unit of life? Cell Which part of the brain controls balance and coordination? Cerebellum 5 What is the smallest particle of an element that retains its properties? Atom What is the chemical formula for water?