IAHCSMM CRCST 8th Edition Chapter 3 Review Quiz

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IAHCSMM CRCST 8th Edition Chapter 3 Review Quiz - Quiz

Service technicians are needed in almost every hospital. This is because they are charged with sterilizing materials used on patients, such as surgical equipment. Are you planning on being one and are sitting for your CRCST exams soon? Worry no more, as the quiz below is designed to help you review the IAHCSMM CRCST Chapter 3. Try it out, and all the best!


Questions and Answers
  • 1. 

    This system gives the body shape and support.

    • A.

      Muscular System

    • B.

      Nervous System

    • C.

      Skeletal System

    • D.

      Circulatory System

    Correct Answer
    C. Skeletal System
    Explanation
    The skeletal system is responsible for giving the body shape and support. It provides structural support to the body, allowing us to stand upright and move. The bones in the skeletal system also protect vital organs and provide a framework for muscles to attach to, allowing movement. Additionally, the skeletal system produces red and white blood cells, stores minerals, and helps regulate calcium levels in the body. Overall, the skeletal system plays a crucial role in maintaining the body's shape and providing support for its various functions.

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  • 2. 

    This tissue connects one bone to another.

    • A.

      Tendon

    • B.

      Muscle

    • C.

      Cartilage

    • D.

      Ligament

    Correct Answer
    D. Ligament
    Explanation
    Ligaments are connective tissues that join one bone to another. They provide stability and support to the joints by preventing excessive movement and maintaining the proper alignment of bones. Unlike tendons that connect muscles to bones, ligaments primarily function to hold bones together and allow controlled movement. Cartilage, on the other hand, is a flexible connective tissue that covers the ends of bones and acts as a cushion, while muscles are responsible for generating force and movement in the body. Therefore, the correct answer is ligament.

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  • 3. 

    These muscles control involuntary movements like breathing, digestion, etc.

    • A.

      Smooth Muscle

    • B.

      Cardiac Muscle

    • C.

      Skeletal Muscle

    • D.

      Fascial Muscle

    Correct Answer
    A. Smooth Muscle
    Explanation
    Smooth muscles are responsible for controlling involuntary movements in the body, such as the contraction and relaxation of organs like the stomach, intestines, and blood vessels. These muscles are found in the walls of various organs and structures and are characterized by their smooth appearance under a microscope. Unlike skeletal muscles, which are under voluntary control, smooth muscles work automatically and are not consciously regulated. Therefore, smooth muscle is the correct answer as it accurately describes the muscles that control involuntary movements like breathing and digestion.

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  • 4. 

    This surgical procedure consists of removing an ear bone that has thickened and no longer transmits sound waves and replacing it with an artificial implant to improve hearing,

    • A.

      Tympanoplasty

    • B.

      Stapedectomy

    • C.

      Auditory Implantation

    • D.

      Myringotomy

    Correct Answer
    B. Stapedectomy
    Explanation
    Stapedectomy is the correct answer because it is a surgical procedure that involves removing the stapes bone, which has thickened and is not effectively transmitting sound waves, and replacing it with an artificial implant. This procedure is performed to improve hearing in individuals with a condition called otosclerosis, where the stapes bone becomes fixed and causes hearing loss.

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  • 5. 

    More than 55% of blood is made of this yellowish liquid.

    • A.

      Platelets

    • B.

      Red Blood Cells

    • C.

      White Blood Cells

    • D.

      Plasma

    Correct Answer
    D. Plasma
    Explanation
    Plasma is the correct answer because it is a yellowish liquid that makes up more than 55% of blood. It is the liquid component of blood that carries nutrients, hormones, and waste products throughout the body. Plasma also plays a vital role in maintaining blood pressure and regulating body temperature. Platelets, red blood cells, and white blood cells are all important components of blood, but they do not make up the majority of blood volume.

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  • 6. 

    This organ filters the blood to remove amino acids and neutralize some harmful toxins.

    • A.

      Kidney

    • B.

      Pancreas

    • C.

      Liver

    • D.

      Gall Bladder

    Correct Answer
    C. Liver
    Explanation
    The liver is responsible for filtering the blood and removing amino acids. It also plays a crucial role in detoxification by neutralizing harmful toxins. The liver performs these functions through its specialized cells called hepatocytes, which help break down and eliminate waste products from the blood. Additionally, the liver produces bile, which aids in the digestion and absorption of fats. Overall, the liver is vital for maintaining a healthy bloodstream and eliminating toxins from the body.

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  • 7. 

    This surgical procedure removes the uterus.

    • A.

      Hysteroscopy

    • B.

      Hysterectomy

    • C.

      Dilation and Curettage

    • D.

      Bilateral-Salpingoophorectomy

    Correct Answer
    B. Hysterectomy
    Explanation
    A hysterectomy is a surgical procedure that involves the removal of the uterus. This procedure is typically done to treat various conditions such as uterine fibroids, endometriosis, or certain types of cancer. It may be performed through different methods, including abdominal, vaginal, or laparoscopic approaches. Hysterectomy is considered a major surgery and can have significant implications for a woman's reproductive health and overall well-being.

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  • 8. 

    This gland stimulates body growth.

    • A.

      Adrenal Gland

    • B.

      Thyroid Gland

    • C.

      Pancreas

    • D.

      Pituitary Gland

    Correct Answer
    D. Pituitary Gland
    Explanation
    The pituitary gland is responsible for stimulating body growth. It releases growth hormone, which promotes the growth of bones, muscles, and other tissues in the body. This gland plays a crucial role in regulating growth and development, especially during childhood and adolescence. It also controls other glands in the endocrine system and helps maintain hormone balance in the body.

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  • 9. 

    The lining of the uterous.

    • A.

      Vagina

    • B.

      Endometrium

    • C.

      Fimbriae

    • D.

      Skin

    Correct Answer
    B. Endometrium
    Explanation
    The endometrium is the correct answer because it refers to the lining of the uterus. The endometrium is a tissue that lines the inside of the uterus and undergoes changes throughout the menstrual cycle. It thickens in preparation for pregnancy and sheds during menstruation if pregnancy does not occur. The endometrium plays a crucial role in supporting the implantation and development of a fertilized egg.

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  • 10. 

    This surgical procedure removes tissue or displaced bone from the wrist area to release pressure on the median nerve.

    • A.

      Carpal Tunnel Repair

    • B.

      Ulner Nerve Transposition

    • C.

      Arthrotomy

    • D.

      Fasciotomy

    Correct Answer
    A. Carpal Tunnel Repair
    Explanation
    Carpal Tunnel Repair is the correct answer because it involves removing tissue or displaced bone from the wrist area to alleviate pressure on the median nerve. This surgical procedure is specifically designed to treat carpal tunnel syndrome, a condition characterized by compression of the median nerve in the wrist. By releasing the pressure on the nerve, carpal tunnel repair can help relieve symptoms such as pain, numbness, and tingling in the hand and fingers. Ulner Nerve Transposition, Arthrotomy, and Fasciotomy are not relevant to the given description and do not involve the specific procedure of releasing pressure on the median nerve in the wrist.

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  • 11. 

    The largest part of the human brain is the:

    • A.

      Brain Stem

    • B.

      Cerebellum

    • C.

      Cerebrum

    • D.

      Spinal Cord

    Correct Answer
    C. Cerebrum
    Explanation
    The cerebrum is the largest part of the human brain. It is responsible for higher cognitive functions such as thinking, reasoning, memory, and voluntary movements. It is divided into two hemispheres and is made up of different lobes, each with specific functions. The cerebrum plays a crucial role in sensory perception, language, problem-solving, and decision-making. It also houses the cerebral cortex, which is responsible for complex cognitive processes.

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  • 12. 

    This surgical procedure is the removal of a testicle.

    • A.

      Transurethral Resection

    • B.

      Prostatectomy

    • C.

      Orchiopexy

    • D.

      Orchiectomy

    Correct Answer
    D. Orchiectomy
    Explanation
    Orchiectomy is the correct answer because it is the surgical procedure for the removal of a testicle. Transurethral Resection is a procedure used to treat urinary problems caused by an enlarged prostate. Prostatectomy is the removal of the prostate gland. Orchiopexy is a procedure to fix an undescended testicle.

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  • 13. 

    The "throat".

    • A.

      Esophagus

    • B.

      Larnyx

    • C.

      Trachea

    • D.

      Pharnyx

    Correct Answer
    D. Pharnyx
    Explanation
    The pharynx is the correct answer because it is commonly referred to as the "throat." It is a muscular tube that connects the nasal cavity and mouth to the esophagus and larynx. The pharynx plays a crucial role in the respiratory and digestive systems as it serves as a passage for both food and air.

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  • 14. 

    This surgical procedure is the removal of the gall bladder.

    • A.

      Cholecystectomy

    • B.

      Colectomy

    • C.

      Parotidectomy

    • D.

      Gastrectomy

    Correct Answer
    A. Cholecystectomy
    Explanation
    Cholecystectomy is the correct answer because it refers to the surgical procedure of removing the gall bladder. The term "chole-" relates to the gall bladder, while "-ectomy" indicates the removal of a specific organ or part of the body. Colectomy refers to the removal of the colon, parotidectomy is the removal of the parotid gland, and gastrectomy is the removal of the stomach. Therefore, cholecystectomy is the most appropriate choice in this context.

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  • 15. 

    The hip joint is an example of a:

    • A.

      Gliding Joint

    • B.

      Ball and Socket Joint

    • C.

      Pivot Joint

    • D.

      Hinge Joint

    Correct Answer
    B. Ball and Socket Joint
    Explanation
    The hip joint is an example of a ball and socket joint because it allows for a wide range of movement in multiple directions. This type of joint consists of a rounded bone (the ball) that fits into a cup-shaped socket, allowing for rotation and movement in all planes. The hip joint is able to flex, extend, adduct, abduct, and rotate, making it a prime example of a ball and socket joint.

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  • 16. 

    This tissue covers the body's external surface.

    • A.

      Epithelial Tissue

    • B.

      Connective Tissue

    • C.

      Muscular Tissue

    • D.

      Nervous Tissue

    Correct Answer
    A. Epithelial Tissue
    Explanation
    Epithelial tissue is the correct answer because it covers the body's external surface. Epithelial tissue is a type of tissue that lines and covers the surfaces of organs, blood vessels, and body cavities. It acts as a protective barrier against pathogens, chemicals, and physical damage. It also helps in absorption, secretion, and sensation. Examples of epithelial tissue include the skin, the lining of the respiratory tract, and the lining of the digestive tract.

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  • 17. 

    The brain center of a cell.

    • A.

      Cell Membrane

    • B.

      Cytoplasm

    • C.

      Nucleus

    • D.

      DNA

    Correct Answer
    C. Nucleus
    Explanation
    The nucleus is the brain center of a cell. It is a membrane-bound organelle that contains the cell's genetic material, DNA. The nucleus controls all the activities of the cell and is responsible for storing and transmitting genetic information. It regulates gene expression, cell division, and the synthesis of proteins. Without a nucleus, a cell would not be able to function properly or carry out essential processes. Therefore, the nucleus plays a crucial role in the overall functioning and survival of a cell.

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  • 18. 

    Cartilage is replaced by bone through a process called:

    • A.

      Ossification

    • B.

      Calcification

    • C.

      Osmosis

    • D.

      Cancellous Formation

    Correct Answer
    A. Ossification
    Explanation
    Ossification is the correct answer because it is the process by which cartilage is replaced by bone. During ossification, new bone tissue is formed, and the cartilage is gradually replaced by this new bone tissue. This process is essential for the development and growth of bones in the body. Calcification refers to the deposition of calcium salts in tissues, and while it is involved in the formation of bone, it is not the specific process by which cartilage is replaced. Osmosis is the movement of water molecules across a semipermeable membrane, and it is not directly related to the replacement of cartilage by bone. Cancellous formation refers to the formation of cancellous bone, which is a spongy type of bone, but it does not specifically describe the process of cartilage replacement.

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  • 19. 

    The white portion of the eye is called the:

    • A.

      Retina

    • B.

      Iris

    • C.

      Pupil

    • D.

      Sclera

    Correct Answer
    D. Sclera
    Explanation
    The white portion of the eye is called the sclera. The sclera is the tough, outer layer of the eye that helps to maintain the shape of the eyeball and protect the delicate structures inside. It is composed of dense connective tissue and is visible as the white part of the eye. The retina, iris, and pupil are all different structures within the eye, but they are not the correct answer to the question.

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  • 20. 

    The "voice box".

    • A.

      Pharynx

    • B.

      Larynx

    • C.

      Mouth

    • D.

      Trachea

    Correct Answer
    B. Larynx
    Explanation
    The correct answer is larynx. The larynx, also known as the voice box, is a part of the respiratory system located in the neck. It contains the vocal cords, which vibrate to produce sound when air passes through them. The larynx plays a crucial role in speech production and is responsible for the production of different vocal sounds.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jul 05, 2012
    Quiz Created by
    Mary Jones
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