Download MBLEx Practice Exam.. and more Exams Technology in PDF only on Docsity!
Question 1. Which chamber of the heart receives oxygenated blood from the lungs? A) Right atrium B) Right ventricle C) Left atrium D) Left ventricle Answer: C Explanation: The left atrium receives oxygen-rich blood from the lungs via the pulmonary veins. Question 2. Which organ is primarily responsible for nutrient absorption in the digestive system? A) Stomach B) Large intestine C) Small intestine D) Esophagus Answer: C Explanation: The small intestine is the main site for nutrient absorption during digestion. Question 3. Which gland produces insulin? A) Thyroid B) Pancreas C) Adrenal D) Pituitary Answer: B Explanation: The pancreas produces insulin, which regulates blood glucose levels. Question 4. What is the outermost layer of the skin called? A) Dermis B) Subcutaneous tissue C) Epidermis D) Hypodermis Answer: C Explanation: The epidermis is the outermost layer of the skin. Question 5. Which organ filters lymph and is a site of immune cell activation? A) Spleen B) Liver C) Pancreas D) Kidney Answer: A Explanation: The spleen filters lymph and participates in immune responses. Question 6. What is the primary function of red blood cells? A) Defend against pathogens
B) Clot blood C) Transport oxygen D) Produce hormones Answer: C Explanation: Red blood cells transport oxygen from the lungs to the body's tissues. Question 7. Which muscle is responsible for flexing the elbow? A) Triceps brachii B) Biceps brachii C) Deltoid D) Pectoralis major Answer: B Explanation: The biceps brachii is the main muscle responsible for elbow flexion. Question 8. Which part of the neuron receives incoming signals? A) Axon B) Dendrite C) Node of Ranvier D) Synaptic terminal Answer: B Explanation: Dendrites receive incoming signals from other neurons. Question 9. Which hormone regulates the menstrual cycle along with estrogen? A) Testosterone B) Progesterone C) Insulin D) Thyroxine Answer: B Explanation: Progesterone works with estrogen to regulate the menstrual cycle. Question 10. What is the main muscle of respiration? A) Rectus abdominis B) Diaphragm C) Intercostals D) Serratus anterior Answer: B Explanation: The diaphragm is the primary muscle responsible for breathing. Question 11. Which sensory receptor detects light touch? A) Pacinian corpuscle B) Merkel cell C) Ruffini ending
Answer: B Explanation: Collagen is the principal structural protein of skin and connective tissue. Question 17. Which lymphatic organ matures T-cells? A) Spleen B) Lymph node C) Thymus D) Tonsil Answer: C Explanation: The thymus is responsible for the maturation of T-cells. Question 18. Which bone is part of the axial skeleton? A) Femur B) Humerus C) Rib D) Scapula Answer: C Explanation: The ribs are part of the axial skeleton, which includes the skull, vertebral column, and thoracic cage. Question 19. Which neurotransmitter is primarily involved in muscle contraction? A) Dopamine B) Serotonin C) Acetylcholine D) Epinephrine Answer: C Explanation: Acetylcholine is the neurotransmitter that stimulates muscle contraction at neuromuscular junctions. Question 20. Which structure produces sperm? A) Epididymis B) Prostate C) Testes D) Vas deferens Answer: C Explanation: Sperm are produced in the testes. Question 21. Which lung has three lobes? A) Right lung B) Left lung C) Both lungs D) Neither lung
Answer: A Explanation: The right lung has three lobes, while the left lung has two. Question 22. Which part of the eye focuses light onto the retina? A) Iris B) Cornea C) Lens D) Sclera Answer: C Explanation: The lens focuses light onto the retina for clear vision. Question 23. The functional unit of muscle contraction is called: A) Fascicle B) Sarcomere C) Myofibril D) Myosin Answer: B Explanation: The sarcomere is the basic contractile unit in muscle fibers. Question 24. Which urinary structure carries urine from the kidney to the bladder? A) Urethra B) Nephron C) Ureter D) Collecting duct Answer: C Explanation: Ureters transport urine from the kidneys to the bladder. Question 25. Which heart valve prevents backflow into the left atrium? A) Tricuspid B) Pulmonary C) Bicuspid (Mitral) D) Aortic Answer: C Explanation: The mitral (bicuspid) valve prevents blood from flowing back into the left atrium. Question 26. Which vitamin is essential for blood clotting? A) Vitamin A B) Vitamin C C) Vitamin K D) Vitamin D Answer: C Explanation: Vitamin K is required for synthesizing clotting factors.
Question 32. Which range of motion is performed by the therapist without client assistance? A) Active B) Passive C) Isometric D) Resistive Answer: B Explanation: Passive range of motion is performed by the therapist, not the client. Question 33. Which stage of tissue healing is characterized by swelling and redness? A) Maturation B) Proliferation C) Inflammation D) Remodeling Answer: C Explanation: The inflammatory phase includes redness and swelling as the body's first response to injury. Question 34. Which chakra is located at the base of the spine? A) Sacral B) Solar plexus C) Root D) Heart Answer: C Explanation: The root chakra (Muladhara) is at the base of the spine. Question 35. Which muscle fiber type is most resistant to fatigue? A) Type I (slow-twitch) B) Type IIa (fast oxidative) C) Type IIb (fast glycolytic) D) Type III Answer: A Explanation: Type I fibers are slow-twitch, fatigue-resistant, and suited for endurance. Question 36. An isotonic contraction is defined as: A) Muscle length remains constant B) Muscle tension changes without movement C) Muscle changes length while tension remains constant D) Both muscle length and tension remain unchanged Answer: C Explanation: In isotonic contractions, the muscle changes length while the tension stays relatively constant.
Question 37. The Golgi tendon organ is sensitive to: A) Muscle length B) Muscle tension C) Joint position D) Skin stretch Answer: B Explanation: Golgi tendon organs detect changes in muscle tension. Question 38. The insertion of the sternocleidomastoid is the: A) Mastoid process B) Clavicle C) Sternum D) Scapula Answer: A Explanation: The sternocleidomastoid inserts on the mastoid process of the temporal bone. Question 39. Which muscle abducts the arm at the shoulder? A) Biceps brachii B) Trapezius C) Deltoid D) Latissimus dorsi Answer: C Explanation: The deltoid is the main abductor of the arm at the shoulder. Question 40. Which joint is classified as a ball-and-socket joint? A) Knee B) Elbow C) Hip D) Wrist Answer: C Explanation: The hip joint is a ball-and-socket joint, allowing movement in multiple planes. Question 41. What is the main function of synovial fluid? A) Provide nutrients to bone B) Cushion muscle tissue C) Lubricate joints D) Transmit nerve signals Answer: C Explanation: Synovial fluid lubricates and nourishes articular cartilage in joints. Question 42. Which test is used to assess active range of motion? A) The therapist moves the client’s joint
A) Popliteal fossa B) Anterior neck C) Plantar foot D) Lateral thigh Answer: B Explanation: The anterior neck contains the carotid artery; deep pressure here can be dangerous. Question 48. When working with pregnant clients, which position is often recommended after the first trimester? A) Prone B) Supine C) Side-lying D) Trendelenburg Answer: C Explanation: Side-lying is safest after the first trimester to avoid pressure on major blood vessels. Question 49. Which medication class can increase bruising risk during massage? A) Antihistamines B) Anticoagulants C) Antacids D) Beta-blockers Answer: B Explanation: Anticoagulants thin the blood, increasing the risk of bruising. Question 50. Which benefit of massage is related to the psychological aspect of touch? A) Increased joint mobility B) Decreased anxiety C) Reduced muscle spasm D) Improved circulation Answer: B Explanation: Massage can decrease anxiety through the positive psychological effects of touch. Question 51. Which physiological effect is associated with effleurage? A) Muscle fiber tearing B) Increase in local blood flow C) Joint dislocation D) Nerve compression Answer: B Explanation: Effleurage increases local circulation and promotes relaxation. Question 52. Which hydrotherapy application is best for reducing acute inflammation? A) Hot pack
B) Cold pack C) Steam bath D) Paraffin wax Answer: B Explanation: Cold packs reduce swelling and pain in acute inflammation. Question 53. Which massage modality uses slow, gliding strokes? A) Shiatsu B) Swedish C) Rolfing D) Craniosacral Answer: B Explanation: Swedish massage uses slow, gliding strokes to promote relaxation and circulation. Question 54. Which step comes first in a typical massage session? A) Application of lubricant B) Client assessment C) Deep tissue manipulation D) Reassessment Answer: B Explanation: Assessment comes before any hands-on work to ensure safety and effectiveness. Question 55. During client intake, which tool is commonly used? A) MRI scan B) Health history form C) X-ray D) Blood test Answer: B Explanation: A health history form helps gather essential information before massage. Question 56. What is an essential component of proper documentation? A) Recording only positive findings B) Using only medical jargon C) Accurate and objective notes D) Deleting previous records Answer: C Explanation: Documentation should be accurate, objective, and thorough. Question 57. Which assessment technique involves looking for asymmetry or postural deviations? A) Palpation B) Visual observation C) Percussion
D) Using the same plan for all clients Answer: B Explanation: Collaboration ensures the plan meets the client’s needs and goals. Question 63. Which blood vessel type has valves to prevent backflow? A) Arteries B) Veins C) Capillaries D) Arterioles Answer: B Explanation: Veins have valves that prevent blood from flowing backward. Question 64. Which digestive organ stores and concentrates bile? A) Pancreas B) Gallbladder C) Stomach D) Spleen Answer: B Explanation: The gallbladder stores and concentrates bile produced by the liver. Question 65. Which hormone stimulates uterine contractions during labor? A) Prolactin B) Oxytocin C) Estrogen D) Testosterone Answer: B Explanation: Oxytocin stimulates uterine contractions and milk ejection. Question 66. Which layer of the skin contains blood vessels and nerves? A) Epidermis B) Dermis C) Stratum corneum D) Subcutaneous Answer: B Explanation: The dermis contains blood vessels, nerves, and connective tissue. Question 67. Which lymphatic structure filters lymph before it returns to the bloodstream? A) Lymph node B) Spleen C) Thymus D) Appendix
Answer: A Explanation: Lymph nodes filter lymph and trap pathogens. Question 68. What is the main function of the skeletal system? A) Produce insulin B) Support and protect organs C) Synthesize hormones D) Conduct nerve impulses Answer: B Explanation: The skeletal system provides structure, support, and protection for the body. Question 69. Which part of a neuron transmits impulses away from the cell body? A) Dendrite B) Axon C) Soma D) Nucleus Answer: B Explanation: The axon carries nerve impulses away from the cell body. Question 70. Which reproductive structure produces eggs? A) Uterus B) Ovary C) Fallopian tube D) Cervix Answer: B Explanation: Ovaries produce eggs and secrete female hormones. Question 71. Which part of the respiratory system is the site of gas exchange? A) Trachea B) Bronchi C) Alveoli D) Larynx Answer: C Explanation: Gas exchange occurs in the alveoli of the lungs. Question 72. Which type of sensory receptor responds to pain stimuli? A) Mechanoreceptor B) Nociceptor C) Chemoreceptor D) Thermoreceptor Answer: B Explanation: Nociceptors detect and transmit pain signals.
Question 78. Which lymphatic organ is largest in children and decreases in size as we age? A) Thymus B) Spleen C) Tonsil D) Peyer’s patch Answer: A Explanation: The thymus is largest during childhood and shrinks with age. Question 79. Which type of bone cell is responsible for bone resorption? A) Osteoblast B) Osteocyte C) Osteoclast D) Chondrocyte Answer: C Explanation: Osteoclasts break down bone tissue during remodeling. Question 80. Which part of the nervous system controls voluntary movements? A) Autonomic B) Parasympathetic C) Somatic D) Sympathetic Answer: C Explanation: The somatic nervous system controls voluntary muscle movements. Question 81. Which hormone is responsible for milk production after childbirth? A) Oxytocin B) Progesterone C) Prolactin D) Estrogen Answer: C Explanation: Prolactin stimulates milk production in the mammary glands. Question 82. Which respiratory structure prevents food from entering the trachea? A) Epiglottis B) Larynx C) Tonsil D) Uvula Answer: A Explanation: The epiglottis covers the trachea during swallowing to prevent aspiration. Question 83. Which part of the ear contains the receptors for hearing? A) Cochlea
B) Tympanic membrane C) Semicircular canals D) Eustachian tube Answer: A Explanation: The cochlea contains the organ of Corti, which has hearing receptors. Question 84. Which hormone is produced by the kidneys to stimulate red blood cell production? A) Renin B) Erythropoietin C) Aldosterone D) Cortisol Answer: B Explanation: Erythropoietin stimulates the bone marrow to produce red blood cells. Question 85. Which blood cell type is involved in immunity? A) Erythrocyte B) Thrombocyte C) Leukocyte D) Platelet Answer: C Explanation: Leukocytes (white blood cells) are key players in immune defense. Question 86. Which digestive organ absorbs the most water? A) Small intestine B) Large intestine C) Stomach D) Esophagus Answer: B Explanation: The large intestine absorbs most of the water from digestive residues. Question 87. Which gland secretes melatonin? A) Pituitary B) Pineal C) Adrenal D) Thyroid Answer: B Explanation: The pineal gland releases melatonin, regulating sleep cycles. Question 88. Which skin pigment provides protection against UV radiation? A) Melanin B) Keratin C) Collagen
Answer: C Explanation: Internal intercostals help with forced exhalation. Question 94. Which eye structure controls the size of the pupil? A) Cornea B) Retina C) Iris D) Lens Answer: C Explanation: The iris is a muscle that regulates pupil size according to light intensity. Question 95. Which kidney structure filters blood to form urine? A) Renal pelvis B) Glomerulus C) Collecting duct D) Loop of Henle Answer: B Explanation: The glomerulus is the filtration unit in the nephron. Question 96. Which vessel carries oxygen-rich blood to the lower body? A) Superior vena cava B) Inferior vena cava C) Aorta D) Pulmonary artery Answer: C Explanation: The aorta distributes oxygenated blood from the heart to the systemic circulation. Question 97. Which digestive organ produces most digestive enzymes? A) Liver B) Gallbladder C) Pancreas D) Stomach Answer: C Explanation: The pancreas produces major digestive enzymes for carbohydrates, fats, and proteins. Question 98. Which hormone lowers blood sugar levels? A) Glucagon B) Insulin C) Cortisol D) Adrenaline Answer: B Explanation: Insulin facilitates glucose uptake by cells, lowering blood sugar.
Question 99. Which skin structure provides waterproofing and protection? A) Melanocyte B) Keratinocyte C) Merkel cell D) Langerhans cell Answer: B Explanation: Keratinocytes produce keratin, which waterproofs and protects the skin. Question 100. Which lymphatic duct drains most of the body’s lymph? A) Right lymphatic duct B) Thoracic duct C) Cystic duct D) Hepatic duct Answer: B Explanation: The thoracic duct collects lymph from most of the body, returning it to the bloodstream. Question 101. Which bone is part of the appendicular skeleton? A) Sternum B) Tibia C) Sacrum D) Coccyx Answer: B Explanation: The tibia is part of the appendicular skeleton (limbs and girdles). Question 102. Which part of the neuron insulates and speeds up impulses? A) Dendrite B) Axon terminal C) Myelin sheath D) Soma Answer: C Explanation: Myelin sheath insulates axons and increases the speed of nerve impulses. Question 103. Which hormone controls the development of secondary sexual characteristics in females? A) Testosterone B) Progesterone C) Estrogen D) Prolactin Answer: C Explanation: Estrogen is responsible for secondary sexual characteristics in females.
