HESI Practice test 2024 with verified answers graded A+

HESI Practice test 2024 with verified answers graded A+ Within liver cells, glycogen can be decomposed to yield glucose. For this process to occur, which substance must also be present? - glucagon and epinephrine At which phase of meiosis does crossing over occur? - Prophase 1 Which cellular process results in the formation of sugar from carbon dioxide? - Calvin cycle What is the name for the small, tail-like projection from the cellular membrane that is used for locomotion? - Flagella Which word refers to the lowest region of the spinal cord? - Lumbar The Phalynx is a(n) - bone The dermis is classified s a(n) - organ Upper motor neurons originate in which area of the body? - Motor area of the cerebral hemispheres Where are the pressoreceptors and chemoreceptors (specialized sensory nerves that assist with the regulation of circulation and respiration) located? - Carotid Body Where are the baroreceptors located? - Aorta Which sturcture is an example of a long bone? - metatarsal Which structure is divided into four lobes? - liver Eye movement and papillary reflexes originate in which part of the central nervous system? - Midbrain Which vessel transports blood from the lung to the heart? - Pulmonary vein What does the word 'pulmonary' mean? - lungs Venous refers to which part of the body system? - Circulation What is the primary sympathetic neurohormone? - norepinephrine An improper balance between calcium and which substance can adversely affect the growth of healthy bone tissue? - phosphorus The function of the pulmonary veins is to carry ________________? - oxygenated blood to the left atrium What substance causes extreme dilation of arterioles and capillaries, stagnating blood flow within the tissues and leading to profound shock? - Histamine What is the expected pH of the stomach? - 0.90 to 1.50 What mineral is responsible for muscle contraction? - Calcium Bile is secreted into which organ? - Small intestines What is the function of glucocorticoids that are secreted from the adrenal cortex? - carbohydrate, protein, and fat metabolism What does parathyroid hormone regulate? - Calcium What is the function of aldosterone? - Conserves sodium in the body What is the function of the baroreceptors? - Decrease heart rate Which nerve is responsible for regulating the amount of light entering the eye? - oculomotor nerve What components of the blood helps maintain glomerular oncotic pressure at a normal level of 33mm Hg, which in turn keeps a large amount of water from escaping the capillary? - Protein Segments of a polypeptide chain can coil or fold as a result of hydrogen bonds, adding to a protein's structural conformation. What is this structure called? - Secondary structure What is the concentration of 58.5g of a NaCl in 2L of solution (atomic weights of each element are as follows: Na=23g/mol, CL=35/5 g/mol0? - 0.5 mol NaCl What is the correct electron configuration for neon? - Is22s22p6 What is the ground state electron configuration for zinc? - Is22s22s63s23p64s23d10 What is a benefit of water's ability to make hydrogen bonds? - High specific heat What is the weakest of all the intermolecular forces? - Dispersion What is the correct name of MgSo4? - Magnesium sulfate What is the correct formula for magnesium chloride? - MgCl2 Phenolphthalein changes from colorless to pink in basic solutions. At what pH value would the solution remain colorless? - 8.4 How could water be boiled at room temperature? - Lower the pressure Iodine and carbon dioxide undergo sublimation at room temperature and atmospheric pressure. What is this process? - Changing from a solid to a gas