Read this before a test ATI Teas 7 - Practice Test questions and answers

Which electrolyte is primarily responsible for maintaining resting membrane potential in human cells? A Sodium (Na+) B Potassium (K+) C Calcium (Ca2+) D Chloride (Cl−) ️️ B Potassium (K+) A student dissolves sugar in water until no more dissolves. What term best describes this solution? A Dilute B Saturated C Supersaturated D Concentrated ️️ B Saturated Which part of the cell is responsible for protein synthesis? A Lysosome B Ribosome C Golgi apparatus D Nucleus ️️ B Ribosome What is the main function of alveoli in the lungs? A Filter air B Exchange gases C Produce mucus D Warm inhaled air ️️ B Exchange gases Which blood component is primarily responsible for clotting? A Red blood cells B White blood cells C Platelets D Plasma ️️ C Platelets What is the pH of a neutral solution at room temperature? A 0 B 7 C 10 2 D 14 ️️ B 7 Which organ produces bile? A Pancreas B Liver C Gallbladder D Stomach ️️ B Liver What type of energy is stored in chemical bonds? A Thermal energy B Kinetic energy C Chemical energy D Electrical energy ️️ C Chemical energy Which structure controls what enters and leaves the cell? A Cell wall B Cell membrane C Cytoplasm D Nucleolus ️️ B Cell membrane Which process moves water across a semipermeable membrane? A Diffusion B Osmosis C Active transport D Endocytosis ️️ B Osmosis Which organ is primarily responsible for filtering blood? A Heart B Liver C Kidneys D Lungs ️️ C Kidneys What is the primary function of hemoglobin? A Fight infection B Carry oxygen C Produce hormones D Digest proteins ️️ B Carry oxygen 3 Which organ system controls body coordination and responses? A Endocrine system B Nervous system C Digestive system D Skeletal system ️️ B Nervous system What is the basic unit of life? A Atom B Tissue C Cell D Organ ️️ C Cell Which type of blood vessel carries blood away from the heart? A Veins B Capillaries C Arteries D Venules ️️ C Arteries What is the main function of the large intestine? A Digest proteins B Absorb water C Produce enzymes D Absorb oxygen ️️ B Absorb water Which macromolecule is the primary source of quick energy? A Lipids B Proteins C Carbohydrates D Nucleic acids ️️ C Carbohydrates Which organelle is known as the “powerhouse of the cell”? A Ribosome B Mitochondria C Golgi body D Vacuole ️️ B Mitochondria What is the main function of the skeletal system? A Produce hormones B Support and protect the body 4 C Digest food D Transport oxygen ️️ B Support and protect the body Which part of the brain controls balance and coordination? A Cerebrum B Cerebellum C Medulla D Hypothalamus ️️ B Cerebellum Which vitamin is essential for calcium absorption?