Certified Nursing Assistant Quiz Part 3

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Certified Nursing Assistant Quiz Part 3 - Quiz

Testing information from Mosby's Textbook for Nursing Assistants 7th edition also Q&A from actual class quizzes


Questions and Answers
  • 1. 

    The ____________ is made up of the brain and spinal cord

    • A.

      Peripheral nervous system

    • B.

      Central nervous system

    • C.

      Circulatory system

    • D.

      None of the above

    Correct Answer
    B. Central nervous system
    Explanation
    The central nervous system is made up of the brain and spinal cord. It is responsible for processing and coordinating information received from the senses and sending out instructions to the rest of the body. The brain controls functions such as thinking, memory, and emotions, while the spinal cord serves as a pathway for transmitting signals between the brain and the body. The peripheral nervous system, on the other hand, consists of nerves that connect the central nervous system to the rest of the body. The circulatory system is responsible for the transportation of blood and nutrients throughout the body and is not directly related to the brain and spinal cord.

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  • 2. 

    The smallest branch of an artery is a

    • A.

      Capillary

    • B.

      Arteriole

    • C.

      Vein

    • D.

      None of the above

    Correct Answer
    B. Arteriole
    Explanation
    An arteriole is the smallest branch of an artery. Arterioles are responsible for regulating blood flow and blood pressure in the body. They connect arteries to capillaries, which are even smaller blood vessels where gas exchange and nutrient exchange occur. Veins, on the other hand, carry blood back to the heart and are not the smallest branch of an artery. Therefore, the correct answer is arteriole.

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  • 3. 

    Ovaries secrete the female hormones estrogen and pogesterone

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The statement is true because the ovaries are responsible for producing and secreting the female hormones estrogen and progesterone. These hormones play crucial roles in regulating the menstrual cycle, supporting pregnancy, and maintaining overall reproductive health in females.

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  • 4. 

    The master gland is

    • A.

      The pancreas

    • B.

      The thyroid

    • C.

      Pituitary

    • D.

      None of the above

    Correct Answer
    C. Pituitary
    Explanation
    The pituitary gland is known as the master gland because it plays a crucial role in regulating and controlling the functions of other endocrine glands in the body. It produces and releases various hormones that influence growth, metabolism, reproduction, and other important bodily processes. The pituitary gland is located at the base of the brain and is connected to the hypothalamus, which helps to control its hormone production. Therefore, the pituitary gland is considered the master gland due to its central role in coordinating the body's hormonal activities.

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  • 5. 

    The pancreas

    • A.

      Secretes insulin

    • B.

      Secretes hormones

    • C.

      Estrogen

    • D.

      Progesterone

    Correct Answer
    A. Secretes insulin
    Explanation
    The pancreas is an organ in the body that secretes insulin. Insulin is a hormone that helps regulate blood sugar levels. When we eat, the pancreas releases insulin into the bloodstream to help transport glucose from the blood into the cells, where it can be used as energy. Without insulin, the body cannot effectively use glucose, leading to high blood sugar levels and potentially causing diabetes. Therefore, the pancreas plays a crucial role in maintaining proper blood sugar levels by secreting insulin.

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  • 6. 

    Leukocytes are necessary for the clotting of blood

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Leukocytes, also known as white blood cells, play a crucial role in the clotting of blood. They are responsible for initiating the immune response by detecting and attacking foreign substances or pathogens in the body. In the case of an injury or damage to blood vessels, leukocytes are recruited to the site to form a clot and prevent excessive bleeding. This process, known as hemostasis, involves various interactions between different types of blood cells, including leukocytes, platelets, and plasma proteins. Therefore, leukocytes are indeed necessary for the clotting of blood.

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  • 7. 

    Food mixed with gastric juice to form a semi-liquid substance is called

    • A.

      Chyme

    • B.

      Peristalsis

    • C.

      Bile

    • D.

      Feces

    Correct Answer
    C. Bile
    Explanation
    Bile is a digestive fluid produced by the liver and stored in the gallbladder. It is released into the small intestine to aid in the digestion and absorption of fats. It helps in breaking down fats into smaller molecules, making it easier for the body to absorb and utilize them. Therefore, bile is not the substance formed when food mixes with gastric juice to form a semi-liquid substance.

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  • 8. 

    Clean technique keeps equipment and supplies free of all microbes

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The statement suggests that a clean technique keeps equipment and supplies free of all microbes. However, this is not true as clean technique refers to practices that reduce the number of microbes and prevent the spread of infection, but it does not eliminate all microbes entirely. Therefore, the correct answer is False.

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  • 9. 

    A carrier cannot pass a pathogen to others

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    This statement is false because carriers can indeed pass pathogens to others. Carriers are individuals who are infected with a pathogen but do not show any symptoms. Despite being asymptomatic, carriers can still transmit the pathogen to others through various means such as direct contact, respiratory droplets, or contaminated surfaces. Therefore, it is incorrect to say that a carrier cannot pass a pathogen to others.

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  • 10. 

    Transmission-based precautions are used in the care of all patients and residents

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Transmission-based precautions are not used in the care of all patients and residents. These precautions are only implemented for patients or residents who have known or suspected infections that are spread through specific routes, such as airborne, droplet, or contact transmission. For patients or residents without such infections, standard precautions are typically sufficient to prevent the spread of germs and maintain a safe healthcare environment.

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  • 11. 

    Isolation precautions are based on

    • A.

      Sterile technique

    • B.

      Clean and dirty

    • C.

      Sterilization methods

    • D.

      The bloodborne pathogen standard

    Correct Answer
    B. Clean and dirty
    Explanation
    Isolation precautions are based on clean and dirty practices. Clean practices involve maintaining a clean and hygienic environment, such as hand hygiene, wearing personal protective equipment, and proper disinfection of surfaces. Dirty practices involve handling contaminated items and materials, such as soiled linens or used medical equipment, in a way that prevents the spread of infection. By following clean and dirty practices, healthcare professionals can effectively prevent the transmission of infectious diseases and protect both themselves and their patients.

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  • 12. 

    Put on sterile gloves before setting up a sterile field

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The statement is false because it is not necessary to put on sterile gloves before setting up a sterile field. Sterile gloves are typically worn after the sterile field has been set up, to maintain the sterility of the field while performing procedures within it. The process of setting up a sterile field usually involves cleaning the area, laying down sterile drapes or towels, and arranging sterile instruments and supplies. Sterile gloves are then put on before actually performing any procedures within the sterile field.

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  • 13. 

    A person is on contact precautions. the person must stay in his/her room. which is incorrect?

    • A.

      Say hello from the doorway often

    • B.

      Treat the person with kindness and respect

    • C.

      Provide hobby materials if possible

    • D.

      Spend as little time in the person's room as possible

    Correct Answer
    A. Say hello from the doorway often
    Explanation
    Saying hello from the doorway often is incorrect because it does not promote proper interaction and socialization with the person on contact precautions. It is important to treat the person with kindness and respect, provide hobby materials if possible, and spend as little time in the person's room as possible to minimize the risk of spreading any potential infection.

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  • 14. 

    A resident is on contact precautions. before entering the person's room, you should

    • A.

      Collect all needed equipment

    • B.

      Put on a mask, gown and gloves

    • C.

      Double bag items that leak in proof plastic bags

    • D.

      Wet a mop with disinfectant solution

    Correct Answer
    A. Collect all needed equipment
    Explanation
    Before entering a resident's room who is on contact precautions, it is important to collect all needed equipment. This ensures that the necessary tools and supplies are readily available to properly care for the resident and prevent the spread of infection. By having all the equipment ready, healthcare workers can efficiently and effectively provide the required care while minimizing the risk of contamination.

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  • 15. 

    The following increase a person's risk for falls except

    • A.

      Muscle weakness

    • B.

      Memory problems

    • C.

      Joint pain and stiffness

    • D.

      Wearing eyeglasses

    Correct Answer
    D. Wearing eyeglasses
    Explanation
    Wearing eyeglasses does not increase a person's risk for falls. Muscle weakness, memory problems, and joint pain and stiffness can all contribute to an increased risk of falling as they can affect a person's balance and coordination. However, wearing eyeglasses actually improves vision and can help prevent falls by allowing individuals to see clearly and navigate their surroundings more effectively.

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  • 16. 

    Assisted living residents provide the following except

    • A.

      Housing

    • B.

      Help with personal care

    • C.

      Complex medical care

    • D.

      Social activities

    Correct Answer
    C. Complex medical care
    Explanation
    Assisted living residents receive housing, help with personal care, and engage in social activities. However, they do not typically receive complex medical care in assisted living facilities. This type of care is usually provided in hospitals or skilled nursing facilities where there is a higher level of medical supervision and expertise.

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  • 17. 

    You have finished admitting a new patient. before leaving the room you need to do the following except

    • A.

      Fill the water pitcher and cup if oral fluids are allowed

    • B.

      Place the signal light within reach

    • C.

      Lower the bed to the lowest position

    • D.

      Raise the bed rails

    Correct Answer
    D. Raise the bed rails
    Explanation
    Before leaving the room after admitting a new patient, there are several tasks that need to be done. These include filling the water pitcher and cup if oral fluids are allowed, placing the signal light within reach, and lowering the bed to the lowest position. However, raising the bed rails is not necessary before leaving the room. Bed rails are typically raised to ensure patient safety and prevent falls, but they do not need to be raised when leaving the room.

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  • 18. 

    Who assesses & plans for diagnosing and treating diseases and injuries

    • A.

      Doctor

    • B.

      Nurse practitioner

    • C.

      Registered nurse

    • D.

      Physician assistant

    Correct Answer
    A. Doctor
    Explanation
    A doctor is a medical professional who is trained and licensed to assess, diagnose, and treat diseases and injuries. They have extensive knowledge and expertise in medical science and are able to use various diagnostic tools and techniques to determine the cause of a patient's condition. Doctors also develop treatment plans and prescribe medications or therapies to help patients recover from their illnesses or injuries. They play a crucial role in the healthcare system and work closely with other healthcare professionals to provide comprehensive and effective care to patients.

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  • 19. 

    Growth is

    • A.

      The development of social & physical skills

    • B.

      Physical changes that are measured and that occur in a steady, orderly manner

    • C.

      Changes in mental, emotional, and social function

    • D.

      A skill that must be completed

    Correct Answer
    B. Physical changes that are measured and that occur in a steady, orderly manner
    Explanation
    The correct answer is "physical changes that are measured and that occur in a steady, orderly manner." This answer accurately describes growth as the process of physical changes that can be observed and quantified, and that happen in a consistent and organized way. It excludes the other options, which refer to different aspects of development such as social and mental changes or the completion of a skill.

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  • 20. 

    Age-related farsightedness is

    • A.

      Dysphagia

    • B.

      Cataract

    • C.

      Presbyopia

    • D.

      Glaucoma

    Correct Answer
    C. Presbyopia
    Explanation
    Presbyopia is the correct answer because it refers to age-related farsightedness. As people age, the lens of the eye becomes less flexible, making it difficult to focus on nearby objects. This condition is commonly known as presbyopia. Dysphagia refers to difficulty swallowing, cataract is a clouding of the eye's lens, and glaucoma is a group of eye conditions that damage the optic nerve. However, none of these conditions specifically relate to age-related farsightedness.

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  • 21. 

    Constipation is a common problem in older persons because of

    • A.

      Decreased peristalsis

    • B.

      Chewing problems

    • C.

      Swallowing problems

    • D.

      Decreased digestive juices

    Correct Answer
    A. Decreased peristalsis
    Explanation
    As people age, their digestive system undergoes changes that can lead to decreased peristalsis, which is the wave-like contractions of the muscles in the digestive tract that help move food through the intestines. This decrease in peristalsis can result in slower movement of stool through the intestines, leading to constipation. Chewing problems and swallowing problems may contribute to constipation indirectly by affecting the amount and consistency of food intake. Decreased digestive juices may also contribute to constipation by reducing the efficiency of the digestive process.

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