A&P Final Review - Hormones and Metabolism
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Questions and Answers

Which of the following structures is NOT directly involved in the process of urine formation?

  • Loop of Henle
  • Ureter (correct)
  • Collecting Duct
  • Glomerulus
  • Which hormone is primarily responsible for regulating the body's overall metabolic rate?

  • Thyroid Hormone (correct)
  • Insulin
  • Growth Hormone
  • Cortisol
  • During which phase of mitosis do sister chromatids separate and move towards opposite poles of the cell?

  • Anaphase (correct)
  • Metaphase
  • Telophase
  • Prophase
  • What is the primary function of the external urethral sphincter?

    <p>Controls the flow of urine from the bladder to the urethra (A)</p> Signup and view all the answers

    Which of the following best describes the primary function of the adrenal glands?

    <p>Production of hormones that regulate stress response, metabolism, and electrolyte balance (A)</p> Signup and view all the answers

    Which of the following best describes the role of the hypothalamus in the endocrine system?

    <p>Receives and integrates signals from the nervous system to regulate hormone release from the pituitary gland (A)</p> Signup and view all the answers

    What is the primary function of anabolism in the context of metabolism?

    <p>Building complex molecules from simpler ones for growth and repair (C)</p> Signup and view all the answers

    Which of the following best describes the role of ATP in cellular metabolism?

    <p>Serving as the primary energy currency for cells (D)</p> Signup and view all the answers

    What is the primary function of the lymphatic system?

    <p>Maintain fluid balance and protect against infection (D)</p> Signup and view all the answers

    What type of cells are primarily involved in the immune response?

    <p>White blood cells (C)</p> Signup and view all the answers

    What is the role of the tonsils in the lymphatic system?

    <p>Trap and remove pathogens entering the throat (D)</p> Signup and view all the answers

    What structure prevents food or liquids from entering the respiratory tract during swallowing?

    <p>Epiglottis (D)</p> Signup and view all the answers

    What structure contains C-shaped cartilages to help keep the airway open?

    <p>Trachea (D)</p> Signup and view all the answers

    What does sympathetic activation cause in the bronchioles?

    <p>Bronchodilation (A)</p> Signup and view all the answers

    What cells patrol the respiratory epithelium to remove debris?

    <p>Alveolar macrophages (B)</p> Signup and view all the answers

    What is a blockage of a pulmonary artery branch called?

    <p>Pulmonary embolism (B)</p> Signup and view all the answers

    What covers the inner surface of the chest wall?

    <p>Parietal pleura (B)</p> Signup and view all the answers

    Which chamber of the heart collects blood from the pulmonary circuit?

    <p>Left atrium (C)</p> Signup and view all the answers

    What is the serous membrane that surrounds the heart called?

    <p>Pericardium (C)</p> Signup and view all the answers

    What covers the outer surface of the heart?

    <p>Visceral pericardium (epicardium) (D)</p> Signup and view all the answers

    What is the pointed tip of the heart called?

    <p>Apex (A)</p> Signup and view all the answers

    What are the three layers of the heart wall?

    <p>Epicardium, myocardium, endocardium (B)</p> Signup and view all the answers

    What are specialized sites between cardiac muscle cells that allow electrical impulses to propagate?

    <p>Intercalated discs (C)</p> Signup and view all the answers

    What connects each atrium to its corresponding ventricle?

    <p>Atrioventricular valve (A)</p> Signup and view all the answers

    What delivers blood from the head, neck, and chest to the heart?

    <p>Superior vena cava (D)</p> Signup and view all the answers

    Which of the following is the pigment in red blood cells that binds and transports oxygen and carbon dioxide?

    <p>Hemoglobin (A)</p> Signup and view all the answers

    Which of the following is the innermost layer of a blood vessel?

    <p>Endothelium (D)</p> Signup and view all the answers

    Which of the following is NOT a function of the nervous system?

    <p>Coordinates only voluntary responses of many organ systems (C)</p> Signup and view all the answers

    Which type of impulse carries information from the peripheral nervous system to the central nervous system?

    <p>Afferent (D)</p> Signup and view all the answers

    What is the thin, membranous sheath that increases the speed of the action potential down the axon called?

    <p>Myelin (D)</p> Signup and view all the answers

    Which of the following ions is responsible for causing the neuron to become hyperpolarized?

    <p>Potassium (A)</p> Signup and view all the answers

    A neuron communicates with a muscle cell at the ______.

    <p>Neuromuscular junction (D)</p> Signup and view all the answers

    Which of the following is the outermost meningeal layer?

    <p>Dura mater (A)</p> Signup and view all the answers

    Which of the following is NOT a function of the hypothalamus?

    <p>Controls the endocrine cells of the adrenal medullae through sympathetic innervation (B)</p> Signup and view all the answers

    Regulatory hormone secretion by the hypothalamus is regulated through ______.

    <p>Negative feedback (C)</p> Signup and view all the answers

    Which of the following is a chemical messenger released in one tissue and transported by the blood to reach target cells in other tissues?

    <p>Hormone (D)</p> Signup and view all the answers

    Which of the following hormones is found in the heart and is released when excessive pressure occurs within the atria?

    <p>Atrial natriuretic peptide (B)</p> Signup and view all the answers

    Which of the following hormones is responsible for stimulating spermatogenesis?

    <p>FSH (D)</p> Signup and view all the answers

    Which of the following hormones is responsible for the secretion of testosterone in males?

    <p>LH (B)</p> Signup and view all the answers

    At the point of puberty, males and females ______.

    <p>All of the above (D)</p> Signup and view all the answers

    Luteinizing hormone was once called ______ in males.

    <p>Interstitial cell-stimulating hormone (C)</p> Signup and view all the answers

    All of the following are examples of hormones EXCEPT ______.

    <p>Acetylcholine (D)</p> Signup and view all the answers

    Flashcards

    Loop of Henle

    A structure in the nephron of the kidney composed of a thin descending limb and a thick ascending limb.

    Right Upper Quadrant

    The quadrant of the abdomen where the liver is located.

    Ureter

    The tube that connects the kidney to the bladder.

    Oxytocin

    A hormone that helps control bleeding after childbirth.

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    Metabolism

    The process of energy transformation in the body.

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    Anabolism

    The primary function is to create new molecules for growth and repair.

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    Catabolism

    Responsible for breaking down fats, carbohydrates, and proteins.

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    PMAT

    The four phases of Mitosis: Prophase, Metaphase, Anaphase, Telophase.

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    Types of Muscle Tissue

    Skeletal, cardiac, and smooth are the three types of muscle tissue.

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    Covalent Bond

    A covalent bond is formed when two molecules share electrons to achieve stability.

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    Lymph

    Lymph is a fluid that contains white blood cells, circulating through lymphatic vessels.

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    Spleen's Role

    The spleen filters blood and helps fight infections in the lymphatic system.

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    Immune Response Cells

    White blood cells are primarily involved in the immune response.

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    Lymph Nodes

    Lymph nodes filter lymph and trap pathogens.

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    T Cells Function

    T cells attack infected cells as part of the immune system.

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    Respiratory System Entry

    Air normally enters the respiratory system through the pharynx and oral/nasal cavities.

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    Goblet Cells

    Goblet cells produce mucus to trap particulate matter in the respiratory tract.

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    Alveoli Collapse Prevention

    Surfactant is an oily secretion that prevents alveoli from collapsing.

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    Pulmonary Embolism

    Blockage of a pulmonary artery branch is called a pulmonary embolism.

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    Heart Layers

    The heart wall consists of three layers: epicardium, myocardium, and endocardium.

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    Atrioventricular Valve

    The atrioventricular valve connects each atrium to its corresponding ventricle.

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    Platelets Function

    Platelets contain enzymes essential for blood clotting.

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    Hemoglobin

    A protein in red blood cells that carries oxygen and carbon dioxide.

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    Capillaries

    The smallest blood vessels, allowing exchange of substances.

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    Tunica interna

    The innermost layer of a blood vessel.

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    Vasoconstriction

    Muscle contraction in arteries, reducing lumen diameter.

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    Vasodilation

    Relaxation of artery muscles, increasing lumen diameter.

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    Afferent impulses

    Nerve impulses that carry information to the central nervous system.

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    Myelin

    A sheath that insulates axons, speeding up action potentials.

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    Hyperpolarization

    When a neuron becomes less likely to activate, due to ion movement.

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    Neuromuscular junction

    The connection point between a neuron and a muscle cell.

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    Glutamate

    An excitatory neurotransmitter important for learning and memory.

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    GABA

    An inhibitory neurotransmitter that calms brain activity.

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    Sympathetic nervous system

    Part of the autonomic system that triggers 'fight or flight'.

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    Parasympathetic nervous system

    Part of the autonomic system that promotes 'rest and digest'.

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    Antidiuretic Hormone (ADH)

    Hormone that helps retain water in the body, reducing urine output.

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    Luteinizing hormone (LH)

    Hormone that stimulates testosterone secretion and ovulation.

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    Study Notes

    A&P Final Review - Squad Presentation Q&As

    • Loop of Henle Composition: Thin descending limb and thick ascending limb
    • Liver Quadrant: Right upper
    • Kidney-Bladder Connection: Ureter
    • External Urethral Sphincter: Voluntary muscle (True)
    • Digestive Tract Hormone Signaling: True. The digestive tract releases hormones signaling hunger and fullness.
    • Pituitary Gland Hormone Count: 9
    • Hormone Classification: Amino acid derivatives, peptide hormones, and lipid derivatives
    • Postpartum Bleeding Hormone: Oxytocin
    • Hypothalamus Endocrine Function: Sending signals to the pituitary gland to control hormone release.
    • Type 1 Diabetes: Pancreas is insulin resistant
    • Heart Secondary Hormone: Atrial Natriuretic peptide (ANP)
    • Calcitriol Deficiency in Kids: Rickets
    • Age-Related Female Hormone Decline: Menopause

    Metabolism

    • Metabolism Definition: The process of energy transformation in the body
    • Metabolism Goal: Balance energy production and usage
    • Anabolism Function: Creating new molecules for growth and repair
    • Catabolism Breakdown: Fats, carbohydrates, and proteins
    • Liver Detoxification: True
    • Kidney Metabolic Role: Regulating fluid, pH, and electrolytes
    • ATP Capture from Catabolism: 40%
    • ATP Source in Cells: Cellular respiration (True)
    • Metabolic Disease: Diabetes
    • Mitochondrial Disease: Inability of mitochondria to generate energy

    Cell Replication, Muscle Tissue, and Chemistry

    • PMAT (Mitosis): Prophase, Metaphase, Anaphase, Telophase - the four phases of mitosis where cell duplication occurs.
    • Atom Components: Proton, neutron, and electron
    • Muscle Tissue Types: Skeletal, cardiac, smooth
    • Covalent Bond: Two molecules sharing electrons to become stable
    • Molecule Definition: One or more elements bonded together

    Lymphatic/ Immune System

    • Lymph: Fluid containing white blood cells that circulates through lymphatic vessels
    • Spleen Function: Filtering blood and fighting infections
    • Lymphatic System Primary Function: Maintaining fluid balance and protecting against infection
    • Immune Response Cells: White blood cells
    • Lymph Nodes Function: Filtering lymph and trapping pathogens
    • T-cell Function: Attacking infected cells
    • Tonsil Function: Trapping and removing pathogens entering the throat
    • Lymphatic Vessels Function: Collecting and transporting lymph
    • Lymphedema: Swelling due to lymph accumulation
    • Thymus Function: Maturation of T cells

    Respiratory System

    • Air Entry Point: Through the nares (nostrils) into the nasal cavity and through the pharynx and oral cavity.
    • Shared Digestive/Respiratory Chamber: Pharynx
    • Mucus-Producing Cells: Goblet cells
    • Laryngeal Narrowing: Glottis
    • Food/Liquid Entry Prevention: Epiglottis
    • Cartilage Superior To Cricoid: Thyroid cartilage
    • Elastic Ligaments In Larynx: True vocal cords
    • Sound Production Structure: True vocal cords
    • Reflex Triggered by Laryngeal Contact: Gag reflex
    • Structure With C-Shaped Cartilage: Trachea
    • Bronchi Origin: Trachea
    • Sympathetic Bronchiole Effect: Bronchodilation
    • Parasympathetic Bronchiole Effect: Bronchoconstriction
    • Respiratory Bronchiole Destination: Alveolar ducts and sacs
    • Debris Removal Cells: Alveolar macrophages
    • Alveoli Collapsing Prevention: Surfactant
    • Pulmonary Artery Branch Blockage: Pulmonary embolism
    • Chest Wall Covering: Parietal pleura
    • Heart Covering: Pericardium
    • Heart Covering: Visceral pericardium

    Circulatory System

    • Small Vessels Connecting Arteries and Veins: Capillaries
    • Blood Collection Chamber (Pulmonary): Left atrium
    • Heart Serous Membrane: Pericardium
    • Heart Outer Surface: Visceral pericardium (epicardium)
    • Heart Tip: Apex
    • Heart Wall Layers: Epicardium, myocardium, endocardium
    • Cardiac Muscle Cell Communication: Gap junctions
    • Valve Connecting Atria to Ventricles: Atrioventricular valve
    • Blood Delivery from Head/Neck/Chest: Superior vena cava
    • Atrioventricular Valve Support: Chordae tendineae
    • Ventricular Exit Valve Type: Semilunar valves
    • Bicuspid Valve Alternative Name: Mitral valve
    • Blood Exit Left Ventricle: Aortic semilunar valve and aorta
    • Plasma + Formed Elements: Whole blood
    • Blood Clotting Factors: Platelets
    • Blood Clot Framework: Fibrin
    • Oxygen/Carbon Dioxide Transport: Hemoglobin
    • Smallest Blood Vessels: Capillaries
    • Innermost Blood Vessel Layer: Endothelium
    • Arterial Muscle Contraction: Vasoconstriction; Relaxation - Vasodilation

    Nervous System

    • Nervous System Functions: Integrating sensory information, coordinating voluntary responses from many organ systems. Monitoring the internal and external environments.
    • Peripheral to Central Impulses: Afferent
    • Action Potential Speeding Sheath: Myelin
    • Hyperpolarizing Ion: Potassium
    • Neuron-Muscle Communication Site: Neuromuscular junction
    • Outermost Meningial Layer: Dura mater
    • Neurotransmitters (Excitatory/Inhibitory): Glutamate (excitatory) and GABA (inhibitory)
    • Autonomic Nervous System Divisions: Sympathetic (flight-or-fight; Adrenergic receptors) and Parasympathetic (rest-and-digest; Cholinergic receptors)

    Endocrine System

    • Hormone Definition: Chemical messenger transported by blood to target cells
    • Heart Hormone: Atrial natriuretic peptide
    • Posterior Pituitary Hormones & Actions: Antidiuretic Hormone (ADH) and oxytocin.
    • Spermatogenesis Stimulating Hormone: Follicle-stimulating hormone (FSH)
    • Testosterone Secretion Hormone: Luteinizing hormone (LH)
    • Puberty Changes: Increases in follicle-stimulating hormone (FSH) and luteinizing hormone (LH); appearance of secondary sex characteristics; acceleration of oogenesis in females.
    • LH Former Name: Interstitial cell-stimulating hormone (ICSH)
    • Mitosis vs. Meiosis: Mitosis for body cell growth & repair and meiosis for reproductive cell generation.

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    Prepare for your Anatomy and Physiology final exam with this comprehensive review quiz focused on hormones and metabolism. It covers vital topics such as the Loop of Henle, hormone classifications, and metabolic processes. Test your knowledge and ensure you're ready for the exam!

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