Download HESI A2 2023 exam questions with verified solutions 2025 update. Which of these statement and more Exams Nursing in PDF only on Docsity!
HESI A2 2023 exam questions with verified
solutions 2025 update.
Which of these statements is true regarding the way light travels? A. Sound travels faster than light. B. The speed of light is always the same regardless of the medium through which it travels. C. Light travels as both a wave and a particle. D. Light cannot travel through a vacuum. - n Ans✔ C. Light travels as both a wave and a particle. Light is a curiosity in that it acts as both a wave and a particle. It only changes direction via reflection (bouncing off of something) or refraction (passing from one medium to another). In a vacuum, the speed of light is constant, but when passing through a medium that has an index of refraction different from a vacuum, light's speed slows. Qs Which of these elements is liquid at room temperature? A. mercury B. zinc C. manganese D. magnesium - n Ans✔
A. mercury Mercury is the only one of the elements listed here that is liquid at room temperature. The element bromine also has this property. Qs Where is the hyoid bone located? A. neck B. pelvis C. rib cage D. leg - n Ans✔ A. neck The hyoid bone is located between the chin and thyroid cartilage. Qs A person with AB- blood should not receive blood from which other blood type? A. B- B. A- C. O- D. AB+ - n Ans✔ D. AB+
C. vena cava D. pulmonary artery - n Ans✔ D. pulmonary artery Most arteries in the body carry oxygen-rich blood away from the heart, but the pulmonary artery carries oxygen-poor blood from the right ventricle of the heart to the lungs. The vena cava would not be correct because it is not an artery, it is a vein and the question asks for an artery. Qs Chocolate cysts of the ovaries are attributed to ____. A. menorrhagia B. ectopic pregnancy C. pelvic inflammatory disease D. endometriosis - n Ans✔ D. endometriosis Endometriosis is a condition in which the tissue from the uterus (endometrium) grows in other parts of the body, such as the ovaries or bowel. If a woman has endometrial tissue in her ovary, the tissue bleeds and builds up over time, and as the blood ages it turns brown, hence the term "chocolate cyst." Qs Which is not true of synovial joints? A. They are found in the intervertebral discs of the spinal column
B. They have a fluid-filled capsule that surrounds their articulating surface C. They are the most common joint in the body D. They are the most moveable joint type in the body - n Ans✔ A. They are found in the intervertebral discs of the spinal column Instead of a synovial joint, the intervertebral discs of the spinal column form a fibrocartilaginous joint, which allows slight movement of the vertebrae of the spine. Qs Ligaments connect _______. A. tendon to bone B. muscle to bone C. bone to bone D. muscle to bone - n Ans✔ C. bone to bone Ligaments connect bone to bone, and tendons connect muscle to bone. Qs What is the longest muscle in the human body? A. sartorius B. vastus medialis C. vastus lateralis
Ans✔ D. breastfeeding Natural passive immunity occurs when live antibodies are transferred from one individual to another, such as when antibodies are transferred from a mother to her baby via breast milk. Qs Worms lack which of these? A. eyes and ears B. brain and ears C. eyes and brain D. nose and brain - n Ans✔ A. eyes and ears Worms lack eyes, ears, and a nose, but they do have brains. Qs Which organelle is responsible for generating ATP that is used for chemical energy? A. mitochondria B. Golgi apparatus C. vesicle D. ribosome - n Ans✔
A. mitochondria The mitochondrion is often referred to as the "power plant" of the cell because it generates ATP, the cell's source of chemical energy. Qs Which of these statements is true with regard to eukaryotic and prokaryotic cells? A. Prokaryotic cells can contain lysosomes B. Eukaryotic cells have mitochondria C. Prokaryotic cells can contain lysosomes and eukaryotic cells have mitochondria D. Prokaryotic cells have a nucleus - n Ans✔ B. Eukaryotic cells have mitochondria One of the major differences between eukaryotic cells and prokaryotic cells is that eukaryotic cells contain organelles, such as mitochondria and lysosomes, whereas prokaryotic cells do not. Qs Positive feedback is a mechanism used by the body that results in amplification or enhancement of a signal that has already been activated. An example of this would be ____. A. the release of oxytocin to increase contractions during childbirth B. shivering to increase temperature C. slowing metabolism in response to starvation D. blood vessels regulating blood pressure - n Ans✔
C. increase in tensile strength Photo-oxidation occurs when UV light and ozone break down the surface of polymers. The result is the material becoming more brittle and discolored and less strong and smooth. Qs Using the Lewis-dot structure model, how many dots would carbon have? A. 6 B. 2 C. 4 D. 8 - n Ans✔ C. 4 The number of dots in a Lewis-dot structure model corresponds to the number of valance electrons for that atom. Because carbon has four valance electrons, its Lewis-dot structure model would have 4 dots. Qs Which of these would produce hydrogen ions in an aqueous solution and would turn a litmus test from blue to red? A. ammonia B. lye C. vinegar D. detergent - n Ans✔
C. vinegar Blue litmus paper turns red in the presence of an acid. Ammonia, lye, and detergent are basic, so they would not give off hydrogen ions in an aqueous solution and when added to blue litmus paper the paper would remain blue. Qs Dihydrogen monoxide is better known as ____. A. iodine B. hydrogen peroxide C. water D. table salt - n Ans✔ C. water Dihydrogen monoxide, or H2O, is more commonly known as water. Qs What is the most abundant element in the Earth's crust? A. oxygen B. carbon C. hydrogen D. nitrogen - n Ans✔ A. oxygen
A saturated solution is one that has the maximum amount of solute dissolved into it. Qs The change in state from a gas to liquid is called ____. A. vaporization B. condensation C. evaporation D. deposition - n Ans✔ B. condensation Condensation is the reverse of vaporization and can be observed when gas cools and becomes a liquid, such as when dew appears in the morning after the temperature drops at night. Qs Which of these sentences contains a dependent clause? A. She told me she was hungry but wouldn't eat more. B. She said she is feeling hungry, but she is not going to eat. C. Although she is hungry, she is not going to eat. D. She is hungry but she's not going to eat. - n Ans✔ C. Although she is hungry, she is not going to eat.
"Although she is hungry, she is not going to eat." is correct. A dependent clause begins with words such as although, since, if, when, and because. A dependent clause cannot stand on its own, so it may also be referred to as a "weak" clause. Qs What would be considered the dependent clause in this sentence? "The students could finally see the bus, which was running 15 minutes behind schedule." A. could finally see the bus B. which was running 15 minutes behind schedule C. running 15 minutes behind schedule D. The students could finally see the bus - n Ans✔ B. which was running 15 minutes behind schedule "which was running 15 minutes behind schedule" is correct. The dependent clause in a sentence is the part which cannot stand alone as a complete sentence and functions a noun, adjective, or adverb. Qs Which punctuation mark would correctly fill in the blank space? After standing in the rain for nearly half an hour _____ Dawn decided she was not going to wait on Mike any longer. A. a colon B. a comma C. no punctuation necessary D. a semicolon - n
C. sprung D. spring - n Ans✔ B. sprang The action occurred in the past, therefore, sprang would be used because it is the simple past tense of the word spring. You would only use sprung if it was preceded by have, had, or has, as in "I noticed that my shower had sprung a leak." Qs What is the correct form of the missing words? The red car in the parking lot belonged to Sarah Jones. James knew that ____ car was new and fast. A. Sarah Joneses B. Sarah Jones C. Sarah Jone's D. Sarah Jones's or Sarah Jones' - n Ans✔ D. Sarah Jones's or Sarah Jones' Apostrophes show possession and one is needed here to show that the car belongs to Sarah Jones. Different references give various recommendations for doing this with words that end in s. Both of the versions in this answer choice are listed as correct methods by certain grammar authorities. Sarah Jone's would mean that Sarah Jone owns the car. Adding es to Jones would simply make Jones plural.
Qs Select the option which makes this sentence grammatically correct. The paid vacation benefit is available to ____ employees in the company. A. part and full-time B. part and full time C. part/ and full/time D. part- and full-time - n Ans✔ D. part- and full-time Part- and full-time is the correct answer because with a series of nearly identical compounds, sometimes the final term is delayed until the last instance, allowing the hyphen to act as a kind of place holder. Qs What is the correct way to write the missing words in this sentence? The children learned that the ____ is sometimes considered a turning point of the war. A. Siege of Vicksburg B. siege of vicksburg C. siege of Vicksburg D. Siege Of Vicksburg - n Ans✔ A. Siege of Vicksburg
25 is correct. In this situation you address the parenthesis and then the exponent, and the negatives would cancel each other out for a positive answer. Qs What is x2x4? A. x B. x C. 2(x8) D. 2x6 - n Ans✔ B. x6 is correct because you add the exponents, 2+ It is assumed in math that terms will be presented in their simplest form. This one is not, so you would add the exponents to simplify it: 2 + 4 = 6, so x2x4=x6. Qs Lance makes $11.35 an hour and earns time and a half pay for every hour over 40. If Lance worked 47 hours this week, about how much will his paycheck be? Round to the hundredths place. A. $546. B. $ C. $573. D. $521.37 - n Ans✔ C. $573.
$573.18 is correct because $11.35 an hour x 40 hours a week equals $454. Time and a half pay for Lance would be $17.025, and you figure that out by multiplying $11.35 an hour by 1.5. Then multiply $17.025 times 7 overtime hours to get $119.175. Lastly, add $454 and $119.175 and you will get $573.175. Rounded to the hundredth place would be $573.18. Qs Dawn has a 20% off one shirt coupon at her favorite store. If she buys 3 shirts at $29.99 each and uses her coupon, how much will her total bill be? Round to the nearest hundredth. A. $89. B. $86. C. $83. D. $71.98 - n Ans✔ C. $83. $83.97 is correct because $29.99 multiplied by 3 shirts is $89.97. To get 20% off of ONE shirt, $29.99 is multiplied by 0.20, which equals $5.998. You subtract $5.998 from $89.97 to get $83.972. Rounded to the nearest hundredth you would get the correct answer, $83.97. Qs What is 0.85 x 0.65?
