Medical Terminology: Key Concepts
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Questions and Answers

What is the cause of a disease referred to as?

  • Diagnosis
  • Etiology (correct)
  • Pathology
  • Symptom

Which of the following is a sign of a disease?

  • Nausea
  • Fever (correct)
  • Pain
  • Headache

What two components are found in the nucleus of an atom?

  • Electrons and Neutrons
  • Electrons and Protons
  • Protons and Neutrons (correct)
  • Electrons only

What best describes the cell membrane?

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

Which molecule is primarily broken down during cellular respiration to provide energy?

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

What is another name for voluntary muscle tissue?

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

The input side of the nervous system is known as what?

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

Glucagon performs the opposite action of which hormone?

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

What is the process of gas exchange between the alveolar area and capillary called?

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

After the electrical impulse leaves the AV node, where does it travel next?

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

Which of the following is NOT a primary function of the upper airway?

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

Which structure controls the opening to the trachea?

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

Why do cells need oxygen?

<p>To make ATP (D)</p> Signup and view all the answers

Which of the following is an example of an innate immune cell?

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

Which of the following prevents food and liquid from entering the lungs?

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

During which part of the ECG are the ventricles contracting?

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

Flashcards

Etiology

The cause or origin of a disease.

Sign

An objective indication of a disease, like a fever.

Midsagittal Plane

Divides the body into left and right halves.

Nucleus of an Atom

Contains protons and neutrons, central part of the atom.

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External respiration

The process of gas exchange between alveoli and capillaries.

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Selectively Permeable

A property of the cell membrane that allows certain substances to pass.

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Glucose

A molecule that is broken down during cellular respiration for energy.

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AV Bundle

Pathway for electrical impulses after the AV node.

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Epiglottis

Structure that controls the opening to the trachea.

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Vasoconstrict

Narrowing of blood vessels to maintain core body temperature in cold.

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ATP

Energy currency of cells needed for various functions.

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Tricuspid Valve

The valve between the right atrium and the right ventricle of the heart.

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Neutrophil

A type of innate immune cell that fights infections.

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Hepatic artery and portal vein

Blood vessels supplying the liver with around 1.5 quarts per minute.

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Antidiuretic hormone

Hormone promoting water reabsorption when blood pressure decreases.

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Human Chorionic Gonadotropin (HCG)

Hormone elevated during pregnancy.

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Study Notes

Medical Terminology and Concepts

  • Etiology: The cause of a disease.
  • Sign: An objective observation that can be measured, like fever.
  • Midsagittal Plane: Divides the body into left and right halves.
  • Atomic Nucleus: Composed of protons and neutrons.
  • Water's High Heat Capacity: Causes faster heat loss from the body in water than in air.
  • Cell Membrane: Selectively permeable, controlling what enters and exits the cell.
  • Cellular Respiration Fuel: Glucose is broken down to produce energy.
  • Serous Membrane: Lines body cavities and covers organs within.
  • Cardiac Muscle: Interlocking cells allow efficient, coordinated contractions.
  • Epiphysis: End of a long bone.
  • Voluntary Muscle: Also known as skeletal muscle.
  • Vasoconstriction: Peripheral blood vessels narrow to conserve heat in cold environments.
  • Sensory Nervous System: The input side of the nervous system.
  • Spinal Nerves: Carry mixed sensory and motor information.
  • High Touch Receptor Density: Fingers have the highest concentration.
  • Glucagon's Opposite: Insulin.
  • Tricuspid Valve: Valve between the right atrium and ventricle.
  • Atrioventricular Valve Closure: Occurs during ventricular systole.
  • Cardiac Output Increase and Blood Pressure: Blood pressure increases with increased cardiac output.
  • ECG QRS Wave: Represents ventricular depolarization.
  • External Respiration: Gas exchange between the alveoli and capillaries.
  • AV Bundle (Bundle of His): Pathway for the electrical impulse after leaving the AV node.
  • Upper Airway Function: NOT gas exchange.
  • Epiglottis Function: Protects the trachea from food and liquid.
  • ATP Production and Oxygen: Cells require oxygen for ATP production.
  • Innate Immune Cell Example: Neutrophil.
  • Food/Liquid Trachea Protection: The epiglottis prevents aspiration.
  • Liver Blood Supply: 1.5 quarts per minute from hepatic artery and portal vein.
  • Collecting Ducts Location: Renal pelvis.
  • Renal Hormone and Reduced Blood Pressure: Antidiuretic hormone (ADH) promotes water reabsorption.
  • Ovulation Stimulating Hormone: Luteinizing Hormone (LH).
  • Pregnancy Hormone Elevation: Human Chorionic Gonadotropin (HCG).
  • Innate Immunity and Antigens: Innate immunity is NOT antigen-specific.
  • Fever and Inflammation Classification: Part of innate immunity.
  • Ventricular Contraction Phase in ECG: QRS complex.

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Description

Explore key medical terms and concepts, including etiology, anatomical planes, cellular biology, and the nervous system. This includes understanding body's response to temperature and muscle functions. Identify signs, the midsagittal plane, and the components of the atomic nucleus.

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