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HESI A2 Practice test questions with solutions

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HESI A2 Practice test questions with solutions

Which of the following is NOT a function of the digestive tract?
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a) to use enzymes to break down food
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b) to perform gas exchange
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c) to remove waste from the body
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d) to use peristalsis to move food along - answersb) to perform gas exchange
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Gas exchange is a function of the respiratory system
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The body, at all times, attempts to maintain homeostasis. The best definition of homeostasis is:
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a) a process that maintains the stability of the human body's internal environment in response to changes in
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internal and external conditions
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b) a function via which the body breaks down glucose to use as energy
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c)a process that maintains the immune system's defenses
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d) a process in which the body resists change to genetic structure - answersa) a process that maintains the
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stability of the human body's internal environment in response to changes in internal and external conditions
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The endocrine system of the body is responsible for:
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a) defense through the use of antibodies
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b) communication through the use of hormones
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c) metabolism through the use of enzymes
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d) blood flow through the use of the heart muscle - answersb) communication through the use of hormones
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Anatomical position shows the body in a(n) ________ position. r/s r/s r/s r/s r/s r/s r/s r/s




a) lateral r/s




b) superior r/s




c) anterior r/s




d) posterior - answersc) anterior
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Vitamin K is created in the: r /s r/s r/s r/s r/s




a) liver r/s




b) lungs r/s




c) intestinal tract
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d) pancreas - answersc) intestinal tract
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The largest organ in the body is the ________.
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a) skin r/s




b) GI tract r/s r/s




c) femur r/s




d) stomach - answersa) skin
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A medical scientists wants to study the parenchyma of the kidney. This scientist would correctly be known, most
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specifically, as a:
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a) biologist r/s




b) doctor r/s




c) anatomistr/s




d) histologist - answersd) histologist
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Histology is the study of tissues. r/s r/s r/s r/s r/s

, What is Erythropoiesis? r/s r/s r/s




a) red blood cell formation
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b) white blood cell formation
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c) the destruction of red blood cells
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d) the destruction of white blood cells - answersa) red blood cell formation
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Blood cell formation is called Hemopoiesis. r/s r/s r/s r/s r/s r/s




Erythro- red blood cells r/s r/s r/s




In which part of the body is keratin NOT found?
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a) hair r/s




b) skin r/s




c) nails r/s




d) teeth - answersd) teeth
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Keratin is a family of fibrous structural proteins. Keratin is the key structural component of hair, nails, and the
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outer layer of human skin
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What is the relationship between sarcomeres and muscle cells?
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a) sarcomeres are muscle cells
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b) sarcomeres contain muscle cells
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c) muscle cells contain myofibrils, which in turn are made up of sarcomeres
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d) muscle cells contain sarcomeres, which in turn are made up of myofibrils - answersc) muscle cells contain
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myofibrils, which in turn are made up of sarcomeres
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A person who has torn their vastus lateralis muscle will need which of the following?
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a) an arm sling
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b) a cane or crutches
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c) insulin r/s




d) a neck brace - answersb) a cane or crutches
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The vastus lateralis muscle is a voluntary muscle in the legs. It is part of the quadriceps.
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Muscles produce contraction due to the sliding of: r/s r/s r/s r/s r/s r/s r /s




a) filaments r/s




b) sarcomeresr/s r/s




c) flexors r/s




d) neutrons - answersa) filaments
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During muscle contraction, filaments slide together by using energy supplied by ATP.
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The medulla oblongata has what primary responsibility?
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a) balance r/s




b) intellect r/s




c) vital functions
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d) sensory input - answersc) vital functions
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The medulla oblongata is responsible for basic vital functions, including respiration and heart rate.
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Which of the following is true about simple reflexes? r/s r/s r/s r/s r/s r/s r/s r/s




a) they travel through the entire body
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b) they travel only through the spinal cord
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c) they travel only through the brain
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d) they do not travel and remain localized - answersb) they travel only through the spinal cord
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