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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
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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
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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
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