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    Exam Review

    1. What is the primary function of the pineal gland?
      A)
      Stimulate immune function
      B)
      Regulate sleep-wake cycles
      C)
      Regulate metabolism
      D)
      Control blood sugar levels
    2. Which type of muscle tissue is responsible for voluntary movements?
      A)
      Cardiac muscle
      B)
      Smooth muscle
      C)
      Skeletal muscle
      D)
      Striated smooth muscle
    3. Which chamber of the heart receives oxygenated blood from the lungs?
      A)
      Left atrium
      B)
      Right atrium
      C)
      Left ventricle
      D)
      Right ventricle
    4. Which sensory receptor is primarily responsible for detecting changes in temperature?
      A)
      Photoreceptors
      B)
      Chemoreceptors
      C)
      Thermoreceptors
      D)
      Mechanoreceptors
    Page 1 of 25

    Exam Review

    1. What prevents food from entering the trachea during swallowing?
      A)
      Larynx
      B)
      Bronchi
      C)
      Epiglottis
      D)
      Diaphragm
    2. Which muscle type functions involuntarily and is found in the walls of internal organs?
      A)
      Cardiac muscle
      B)
      Smooth muscle
      C)
      Striated muscle
      D)
      Skeletal muscle
    3. What is the primary function of platelets in the blood?
      A)
      Transporting nutrients
      B)
      Oxygen transport
      C)
      Immune defense
      D)
      Clot formation
    4. Which structure in the urinary system stores urine until it is ready to be eliminated?
      A)
      Kidneys
      B)
      Renal pelvis
      C)
      Urinary bladder
      D)
      Urethra
    Page 2 of 25

    Exam Review

    1. A nurse observes a patient with bluish discoloration of the skin. Which layer of the skin is primarily involved in this phenomenon?
      A)
      Dermis
      B)
      Epidermis
      C)
      Subcutaneous layer
      D)
      Muscle tissue
    2. A patient with Addison's disease is likely to have a deficiency in which hormone?
      A)
      Melatonin
      B)
      Cortisol
      C)
      Thyroxine
      D)
      Insulin
    3. What is the main function of valves within the veins?
      A)
      To prevent backflow of blood
      B)
      To increase blood pressure
      C)
      To regulate body temperature
      D)
      To transport nutrients
    4. Which condition can lead to decreased urine output (oliguria)?
      A)
      Diabetes mellitus
      B)
      Hypertension
      C)
      Dehydration
      D)
      Increased fluid intake
    Page 3 of 25

    Exam Review

    1. Which body cavity houses the organs responsible for digestion?
      A)
      Cranial cavity
      B)
      Thoracic cavity
      C)
      Pelvic cavity
      D)
      Abdominal cavity
    2. What is the primary role of the gut microbiome in human health?
      A)
      To transport oxygen in the bloodstream
      B)
      To regulate blood pressure
      C)
      To produce insulin
      D)
      To aid in digestion and nutrient absorption
    3. Which structure of the brain is primarily involved in coordination and balance?
      A)
      Medulla oblongata
      B)
      Cerebrum
      C)
      Hypothalamus
      D)
      Cerebellum
    4. Which of the following structures is part of the special sense of hearing?
      A)
      Pacinian corpuscles
      B)
      Cochlea
      C)
      Olfactory bulb
      D)
      Free nerve endings
    Page 4 of 25

    Exam Review

    1. Which of the following is a primary function of bone tissue?
      A)
      Hormonal secretion
      B)
      Digestive enzyme production
      C)
      Oxygen transport
      D)
      Protection of internal organs
    2. What is the role of Schwann cells in the repair of nerve fibers?
      A)
      Transmit electrical impulses
      B)
      Form myelin sheaths around axons
      C)
      Generate neurotransmitters
      D)
      Guide the regeneration of nerve fibers
    3. What type of bone is the femur classified as?
      A)
      Long bone
      B)
      Short bone
      C)
      Flat bone
      D)
      Irregular bone
    4. Which bone is commonly known as the collarbone?
      A)
      Humerus
      B)
      Scapula
      C)
      Clavicle
      D)
      Sternum
    Page 5 of 25

    Exam Review

    1. Which of the following hormones is secreted by the anterior pituitary gland?
      A)
      Insulin
      B)
      Epinephrine
      C)
      Growth hormone (GH)
      D)
      Cortisol
    2. Which structure is responsible for transmitting nerve impulses from the peripheral nervous system to the central nervous system?
      A)
      Motor neurons
      B)
      Sensory neurons
      C)
      Glial cells
      D)
      Interneurons
    3. What is the primary structural difference between arteries and veins?
      A)
      Arteries have thicker walls than veins.
      B)
      Arteries have valves inside them.
      C)
      Veins have thicker walls than arteries.
      D)
      Veins have more elastic tissue than arteries.
    4. Which structure serves as the primary site of gas exchange in the lower respiratory tract?
      A)
      Alveoli
      B)
      Pharynx
      C)
      Trachea
      D)
      Bronchi
    Page 6 of 25