Download MBLEX PRACTICE SET 2026 TESTED QUESTIONS AND CORRECT SOLUTIONS and more Exams Animal Anatomy and Physiology in PDF only on Docsity!
MBLEX PRACTICE SET 2026 TESTED
QUESTIONS AND CORRECT
SOLUTIONS
โ Bone Fossa. Answer: shallow depression in the surface or at the end of a bone โ Serotonin. Answer: regulates mood and brings about a sense of calm and comfort โ epinephrine. Answer: activates arousal mechanisms in the body, increasing arousal, alertness and attention โ Oxytocin. Answer: bonding hormone; associated with feeling of attachment and caretaking posterior pituitary hormone that regulates the uterus and mammary glands โ Cortisol. Answer: stress hormone that is produced during prolonged periods of stress โ Abduction. Answer: Movement away from the midline of the body โ Adduction. Answer: Movement toward the midline of the body
โ Flexion. Answer: bending a joint โ extension. Answer: Straightening of a joint โ Elevation. Answer: raising a body part โ Proximal. Answer: Closer to the point of attachment โ Distal. Answer: farther from the origin of a body part or the point of attachment of a limb to the body trunk โ Superior. Answer: Higher on the body, nearer to the head โ Lateral. Answer: Away from the midline of the body โ internal rotation. Answer: turning the joint inward โ Neurotransmitters. Answer: Chemicals that transmit information from one neuron to another โ common neurotransmitters. Answer: norepinephrine, serotonin, dopamine, acetylcholine
innervates the pectoral girdle and upper limbs โ lumbosacral plexus. Answer: L1-S4, supply nerves to lower limbs โ Muscle Agonist. Answer: Prime mover, shortening to create movement. The contracting muscle that initiates movement โ muscle antagonist. Answer: muscles that oppose a given movement, or action of the agonist โ muscle synergist. Answer: assists prime mover (usually tightens) by holding part of the body steady, creationg leverage โ Flow through the heart. Answer: inferior superior vena cava right atrium tricuspid valve right ventricle pulmonary valve pulmonary artery out to the lungs, changes to oxygenated blood pulmonary vein left atrium bicuspid valve
left ventricle aortic valve into the aorta back to the body via the arteries โ types of muscle tissue. Answer: skeletal, cardiac, smooth โ Adrenal glands. Answer: - located on top of kidneys
- consists of a cortex and a medulla
- produce adrenaline and cortisol โ thyroid gland. Answer: - endocrine gland that surrounds the trachea in the neck
- metabolism, growth and dev of body
- Triiodothyronin T
- Thyroxine T โ pituitary gland. Answer: - endocrine gland located beneath the thalamus and hypothalamus in center of the brain
โ Cartilage. Answer: Cnnective tissue that is located in the ears, nose, and joints โ functions of the reproductive system. Answer: - production of gametes
- production of eggs
- production of sperm
- fertilization
- development and nourishment of new individual
- production of reproductive hormones โ Passive immunity. Answer: the short-term immunity that results from the introduction of antibodies from another person or animal. โ Active immunity. Answer: the immunity that results from the production of antibodies by the immune system in response to the presence of an antigen. โ acquired immunity. Answer: Immunity that is present only after exposure and is highly specific. โ Transverse plane. Answer: divides the body into superior and inferior parts โ Coronal Plane/Frontal Plane/Transverse Plane. Answer: divides body into front and back
โ midsagittal plane. Answer: divides the body into equal right and left halves โ sagittal plane. Answer: divides body into left and right unequal sections โ frontal axis; lateral, coronal. Answer: passes horizontally from left to right and is formed by the intersection of the frontal and transverse planes Walking, squatting, overhead press โ Sagital axis. Answer: Passes horizontally from posterior to anterior and is formed by the intersection of the sagital and transverse planes. lateral flexion of trunk Star jump Lateral arm raise Side bending โ Vertical axis. Answer: passes vertically from inferior to superior and is formed by the intersection of the sagittal and frontal planes Throwing
- Metatarsophalangeal joints โ saddle joint. Answer: - Both convex and concave areas and permit same movement as condyloid joints
- type of joint found at the base of each thumb; allows grasping and rotation โ ball and socket joint. Answer: Spherical head and round socket hip and shoulder joints โ frontal lobe. Answer: voluntary skeletal muscles in the precentral gyri problem solving, planning and concentration โ temporal lobe. Answer: hearing and smell โ occipital lobe. Answer: eyesight โ postcentral gyrus. Answer: sensing temp, pressure, touch, and pain โ condyle. Answer: rounded bump on a bone โ fossa. Answer: shallow depression I the surface or at the end of a bone
โ crest. Answer: ridge along a bone โ Spine. Answer: sharp bump on bone โ tuberosity. Answer: large, rough bump on a bone common point of tendon and ligament attachment โ spinous process; spine. Answer: - sharp, bony or slender projections of bone
- vertebral spinous process
- spine of scapula โ Bone canals. Answer: bone depression โ Furrow. Answer: Groove or opening in the bone that allows blood vessels and nerves to enter the bone โ Bone fissure. Answer: Groove or depression in a bone โ Cardiovascular medications. Answer: vasodilators Ca channel blockers antiarrhythmics anti-hypertensives
โ Nociceptors. Answer: pain receptors โ common human atoms. Answer: hydrogen carbon nitrogen oxygen โ Proprioceptors. Answer: monitor the position and movement of skeletal muscles and joints
- muscle spindle
- golgi tendon organ โ foramen. Answer: rounded hole or opening in a bone โ sinus. Answer: air cavity within a bone โ Cerebellum. Answer: coordination, balance, and equilibrium โ cerebrum. Answer: seat of intelligence โ midbrain. Answer: visual and auditory reflexes
โ medulla oblongata. Answer: cardiac control โ ulnar nerve. Answer: lies beneath the ulnar notch โ carotid artery. Answer: below the ears โ brachial plexus & subclavian artery. Answer: with in the posterior triangle โ Central nervous system. Answer: brain and spinal cord โ peripheral nervous system. Answer: cranial nerves and spinal nerves โ Calcitonin. Answer: thyroid hormone that decreases levels of blood ca inhibits the release of ca and K from bones Inhibits absorption of ca from the GI tract Increases Ca excretion by kidneys โ Thyroxine. Answer: thyroid hormone increases the metabolic rate โ Prolactin. Answer: anterior pituitary hormone that simulates milk production โ antagonist groups. Answer: depressor antagonist to elevator
โ frontalis muscle. Answer: raise eyebrow โ orbicularis oculi. Answer: movement around the eyes โ buccinator muscle. Answer: cheek movement โ skeletal muscle. Answer: structural unit is the muscle fiber โ fascicles. Answer: bundles of muscle fibers โ myofibrils. Answer: protein structures that make up muscle fiber โ myofilaments. Answer: filaments of myofibrils, constructed from proteins, principally myosin or actin โ muscle components. Answer: actin and myosin = myofilament myofilament bundle = myofibril myofibril bundle = fascicle fascicle bundle = muscle โ lumbar plexus. Answer: L1 to L Supplies abdominal wall, anterior thigh, and genitalia
โ sacral plexus. Answer: Arises from L4-S
- Serves the buttock, lower limb, pelvic structures, and perineum โ nerves that don't form a plexus. Answer: T2-T โ Proteins are. Answer: assembled by ribosomes along the rough endoplasmic reticulum (ER) โ Macrophage cells. Answer: immune system large phagocytic cells engulf hazardous cells type of WBC โ Fibrin. Answer: produced by fibroblast cells for clotting โ dermatome. Answer: cutaneous part of body that is supplied by a single spinal nerve dysfunction = impaired sensation โ myotome. Answer: skeletal muscle or group of muscles that is innervated from a specific spinal nerve dysfunction = impaired muscle contraction
โ 5 sensory nerve receptors. Answer: 1a - Primary muscle spindle 1b - Glogi tendon organ 2 - Secondary muscle spindle (paciniform & Pacinian corpuscles) 3 - free nerve endings that are sensitive to pain, chemicals, and temp 4 - Nociceptors โ water soluble vitamins. Answer: B complex
- thiamin B
- riboflavin B
- niacin B
- pyridoxine B
- folate (folic acid)
- B
- biotin
- pantothenic acid Vit. C โ Fat soluble vitamins. Answer: A, D, E, K โ folic acid. Answer: formation of hemoglobin and nucleic acids โ Vit A. Answer: mucous membrane, skin, hair, bone dev, & retinal hlth
โ Vit D. Answer: bone dev Ca absorption โ Vit E. Answer: conserve fatty acids protect cell membranes โ Vit K. Answer: assist blood in clotting factors โ Motor unit. Answer: - muscle fibers innervated by a single motor neuron
- contractile unit made up of sarcomeres and a neuron โ sarcolemma. Answer: thin membrane that surrounds a muscle โ threshold stimulus. Answer: The minimal strength required to cause a contraction โ nociceptors. Answer: pain receptors โ thermoreceptors. Answer: temp receptors โ photorecptors. Answer: light receptors
