Anatomy and Physiology Quiz

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Questions and Answers

What is the requirement for imaging the distal humerus and proximal forearm during AP projections?

  • Both must be visible on the same image.
  • Only the proximal forearm should be included.
  • They must be imaged separately. (correct)
  • Only the distal humerus should be included.

In the Axiolateral Coyle projection for the radial head, what degree should the elbow be flexed?

  • 100 degrees
  • 90 degrees (correct)
  • 70 degrees
  • 80 degrees

Which structure is specifically visualized when the elbow is flexed 80 degrees in the Axiolateral Coyle projection?

  • Coronoid process (correct)
  • Lesser tubercle
  • Greater tuberosity
  • Radial head

What is a key criterion for a properly executed AP humerus image?

<p>Humeral head and greater tubercle should be in profile. (A)</p> Signup and view all the answers

In the lateral humerus position, how should the arm be positioned if the situation is non-traumatic?

<p>Elbow should be flexed and arm internally rotated. (A)</p> Signup and view all the answers

What is the primary focus of osteology?

<p>The detailed study of bones (D)</p> Signup and view all the answers

Which body plane divides the body into superior and inferior parts?

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

In which anatomical term is the body part described as being located toward the back?

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

What does the term 'adduct' refer to in body movement?

<p>Moving towards the body (C)</p> Signup and view all the answers

Which projection enters the anterior side of the body and exits from the posterior side?

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

What is the minimum number of projections required for proper joint imaging?

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

Which term describes the movement of turning the palm down?

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

Which anatomical term refers to the distance farthest from the point of attachment?

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

Which of the following is NOT a type of pathology mentioned?

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

What is the largest carpal bone?

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

In an AP projection of the thumb, which position must the nail side be in?

<p>Nail side down (A)</p> Signup and view all the answers

Which projection is known as the 'ball-catcher's position'?

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

What projection is used to visualize a foreign body in the hand?

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

For a proper PA projection of the hand, where should the central ray (CR) be directed?

<p>3rd MCP joint (A)</p> Signup and view all the answers

What is the primary purpose of using low kVp in imaging small body parts?

<p>To achieve high contrast (A)</p> Signup and view all the answers

How many phalanges are found in one hand?

<p>14 (B)</p> Signup and view all the answers

What is the correct direction to rotate the 2nd digit for oblique projection?

<p>Medially 45 degrees (C)</p> Signup and view all the answers

What adjustment is needed for a patient with a fiberglass cast?

<p>Increase 4-6 KV (C)</p> Signup and view all the answers

Which position requires the hand to be supinated and extended?

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

In the lateral projection of the forearm, what degree should the elbow be flexed?

<p>90 degrees (C)</p> Signup and view all the answers

What should be included in the light field for an AP Forearm?

<p>2 inches of each joint (C)</p> Signup and view all the answers

What is the purpose of placing markers consistently during chest examinations?

<p>To ensure that radiologists can easily compare images taken at different times. (B)</p> Signup and view all the answers

What angle is recommended for the CR when using the Stecher Method?

<p>20 degrees towards the elbow (A)</p> Signup and view all the answers

Which structure is NOT part of the respiratory system?

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

What projection shows the pisiform free of superimposition?

<p>AP Oblique Wrist (B)</p> Signup and view all the answers

What is a characteristic of a Smith fracture?

<p>Falling on the back side of the hand (A)</p> Signup and view all the answers

Which statement correctly describes the position of the diaphragm during expiration?

<p>The diaphragm is high and the belly is in. (B)</p> Signup and view all the answers

How should the patient be positioned for an oblique elbow projection?

<p>Hand pronated with a flexed elbow (A)</p> Signup and view all the answers

Which of the following correctly explains the purpose of the AP Lordotic projection?

<p>To project the clavicles above the apices of the lungs. (D)</p> Signup and view all the answers

What is the typical kVp setting used in chest examinations according to the provided guidelines?

<p>110-125 (B)</p> Signup and view all the answers

What is the required CR position for the PA wrist?

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

When performing the lateral wrist projection, what is a key requirement?

<p>Wrist must be straight and aligned (C)</p> Signup and view all the answers

Which landmark is used to identify the location of the iliac crest?

<p>L4-L5 (B)</p> Signup and view all the answers

During an AP oblique elbow projection, what structure should be in profile?

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

During a chest exam, which of the following ensures that there is no rotation of the patient?

<p>Aligning the SC joints with spinous processes. (C)</p> Signup and view all the answers

What is the role of the epiglottis within the respiratory system?

<p>To cover the larynx and prevent food from entering. (D)</p> Signup and view all the answers

What type of fracture is most commonly associated with punching an object with a closed fist?

<p>Boxer's fracture (D)</p> Signup and view all the answers

What is the appropriate method to position the CR for a lateral elbow projection?

<p>Perpendicular to the IR (A)</p> Signup and view all the answers

In the abdominal cavity, which organ is located in the right upper quadrant (RUQ)?

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

What distinguishes the right bronchi from the left bronchi?

<p>The right bronchi is larger and more vertical. (B)</p> Signup and view all the answers

What is the preferred projection for visualizing a clavicle to reduce OID?

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

In a transthoracic lateral projection, the central ray (CR) should be directed to which anatomical location?

<p>Surgical neck of the humerus (A)</p> Signup and view all the answers

What arm position is recommended for obtaining a lateral view of the scapula?

<p>Arm behind the back (A)</p> Signup and view all the answers

What anatomical structure is visible in profile when the humeral condyles are perpendicular to the image receptor during shoulder imaging?

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

What technique is used in imaging to blur out rib detail when capturing a scapula?

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

When positioning for an AC joint examination, why is it necessary to use a 72-inch SID?

<p>To reduce the effects of beam divergence (B)</p> Signup and view all the answers

In a Y-view projection, how must the shoulder be rotated?

<p>45 to 60 degrees (D)</p> Signup and view all the answers

Which position provides the best visibility of an entire scapula and ensures the lateral border is free from ribs?

<p>AP view with arm abducted (A)</p> Signup and view all the answers

What type of joint is the glenohumeral joint classified as?

<p>Ball-and-socket joint (B)</p> Signup and view all the answers

For the AP external rotation position of the shoulder, the epicondyles must be positioned how in relation to the image receptor?

<p>Parallel to the IR (A)</p> Signup and view all the answers

What is indicated by humeral head and glenoid cavity being superimposed in a Y-view?

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

What is necessary to achieve optimal imaging of an acromioclavicular joint in a non-trauma setting?

<p>Upright position of the patient (A)</p> Signup and view all the answers

What is the purpose of having the affected shoulder closer to the IR in the Grashey method?

<p>Minimize distortion of images (A)</p> Signup and view all the answers

What condition may be indicated if the acromion is projected laterally and is free of superimposition during imaging?

<p>Normal anatomical positioning (D)</p> Signup and view all the answers

Flashcards

Physiology

The study of the function of the body organs.

Osteology

The detailed study of the body of knowledge relating to the bones of the body.

Axial Skeleton

Supports and protects the head and trunk, forming the central axis of the body.

Appendicular Skeleton

Provides means for movement, including the limbs and shoulder/pelvic girdles.

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Sagittal Plane

A body plane that divides the body into right and left sections. A midsagittal plane divides the body into equal right and left halves.

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Coronal Plane

A body plane that divides the body into front and back sections.

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Projection

The pathway of the central ray (CR) as it exits the x-ray tube, passing through the patient to the image receptor.

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Positioning

A minimum of two projections 90 degrees from each other (3 or more for joints).

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Bony Thorax

The protective framework of the chest, comprised of the ribs, sternum, and thoracic vertebrae.

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Apex of Lungs

The uppermost part of the lungs, extending above the clavicles.

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Base of Lungs

The lowermost portion of the lungs that rests on the diaphragm.

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Mediastinum

A space between the lungs that contains the trachea, esophagus, heart, and great vessels.

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Pleura

The thin, double-layered membrane that encloses the lungs.

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Hilum of Lungs

The area where the bronchi, blood vessels, and nerves enter and exit the lungs.

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Peritonitis

Inflammation of the peritoneum, the membrane lining the abdominal cavity.

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Inspiration

The process of breathing in, where the diaphragm contracts and moves downward, increasing the volume of the chest cavity and drawing air into the lungs.

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Ascites

Fluid buildup in the peritoneum, the membrane lining the abdominal cavity.

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Expiration

The process of breathing out, where the diaphragm relaxes and moves upward, decreasing the volume of the chest cavity and expelling air from the lungs.

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Left Lateral Decubitus

A special projection used to visualize air-fluid levels and prevent pulmonary vessel engorgement.

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Pneumoperitoneum

Free air trapped within the peritoneum, the membrane lining the abdominal cavity.

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AP Lordotic

A special projection designed to project the clavicles above the apices of the lungs, allowing for better visualization of the upper lung fields.

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Fistula

An abnormal connection between two organs or tissues.

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Intussusception

A condition where a segment of the intestine folds into itself, causing an obstruction.

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Volvulus

A condition where a loop of intestines twists around itself, causing a blockage.

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AAA (Abdominal Aortic Aneurysm)

An abnormal bulge or widening of the aorta, the main artery carrying blood from the heart.

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Forearm on IR

A radiographic projection of the elbow joint where the patient's forearm is placed on the image receptor, demonstrating both the distal humerus and proximal forearm. The elbow should be flexed 90 degrees, with the hand pronated.

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Humerus on IR

A radiographic projection of the elbow joint where the patient's humerus is placed on the image receptor. The elbow should be flexed about 90 degrees, with the hand pronated, and the elbow joints should be at the center of the image receptor.

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Axiolateral (Coyle)

A projection of the elbow joint that is used to visualize the radial head and coronoid process in a patient who cannot fully extend their elbow.

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AP Humerus

A projection of the humerus where the top border of the image receptor should be 1.5 inches above the humeral head. The patient's humerus is slightly abducted, with the hand supinated. The condyle should be parallel to the image receptor with the greater tuberosity in profile.

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Lateral Humerus

A projection of the humerus where the patient's arm is abducted and flexed 90 degrees, with the elbow internally rotated and the hand resting on the hip. The top border of the image receptor should be 1.5 inches above the humeral head.

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AP Internal Shoulder

X-ray projection where the humeral condyles are perpendicular to the image receptor. Pronate the hand to obtain this position. Lesser tubercle is in profile and the epicondyles are perpendicular to the IR.

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AP External Shoulder

X-ray projection where the humeral condyles are parallel to the image receptor. Supinate the hand to obtain this position. Greater tubercle is in profile and the epicondyles are parallel to the IR.

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AP Neutral Shoulder

X-ray projection with the humeral condyles at a 45° angle to the image receptor. Palm of the hand is placed against the thigh. Epicondyles are at approximately a 45° angle to the image receptor.

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Transthoracic Lateral Shoulder

X-ray projection where the patient's arm is placed against the image receptor. The unaffected arm is elevated. The proximal humerus is projected through the lung field.

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Y View

This projection is particularly useful for diagnosing shoulder dislocations. The acromion and coracoid process form a "Y" shape.

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Axial Clavicle

The clavicle is positioned above the scapula, reducing superimposition. Requires a 15-30° cephalic angle (PA caudal). More angle for thin shoulders, less for thick shoulders.

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AP Scapula

X-ray projection of the scapula with the arm abducted and flexed 90°. This position resembles a 'stop sign'.

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Lateral Scapula

X-ray projection of the scapula in 45-60° anterior oblique position. RAO for the right scapula, LAO for the left scapula. The image includes the scapula's body.

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AC Joint with and without Weights

X-ray projection used to evaluate the AC joint. Utilized with and without weights. The patient must be in the upright position.

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Grashey Method

The scapula is placed parallel to the image receptor. The affected shoulder is closer to the detector.

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Inferosuperior Axial Shoulder

X-ray projection where the central ray enters the axilla. This is an axial view.

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Acromioclavicular Joint

The joint between the clavicle and the scapula, located at the lateral end of the clavicle. It allows for gliding and some rotary motion.

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Oblique Projection of the 2nd digit

Rotating the 2nd digit 45 degrees medially (internally) with the CR directed to the 2nd PIP joint.

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Sternoclavicular Joint

The joint between the clavicle and the sternum.

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Glenohumeral/Scapulohumeral Joint

The joint between the head of the humerus and the glenoid fossa of the scapula. This is a ball-and-socket joint.

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Oblique Projection of the 4th & 5th digit

Rotating the 4th & 5th digit 45 degrees laterally (externally) with the CR directed to the respective PIP joint.

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Clavicle

The bony structure that forms the upper part of the shoulder girdle.

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PA Wrist

Patient's hand is pronated with the CR directed to the mid-carpal region. Fingers are flexed to reduce OID and include the distal 1/3 of the radius & ulna to proximal metacarpals.

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Oblique Wrist (PA)

The hand is rotated 45° laterally from a PA position. The CR is directed to the mid-carpal region.

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AP Oblique Wrist

The hand is supinated and internally rotated 45 degrees. The CR is directed to the mid-carpal region.

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Lateral Wrist

The hand is rotated 90 degrees with the CR directed to the mid-carpal region. The styloid processes are superimposed.

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Post Reduction Adjustments for Casts

Increase kVp by 4-6 kV for a fiberglass cast and by 8-10 kV for a plaster cast.

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Stecher Method (Navicular/Scaphoid)

The CR is angled 20 degrees towards the elbow, OR the hand is elevated 20 degrees with no CR angle.

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Colles Fracture

A transverse fracture of the distal radius with backward displacement of the hand. Often called a 'dinner fork deformity' due to the shape of the fractured bone.

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Boxer's Fracture

A transverse fracture of the base of the 5th metacarpal often caused by punching an object with a closed fist.

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Smith's Fracture

A fracture of the distal radius where the fractured portion of the bone is displaced forward.

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Scaphoid Fracture

A fracture of the scaphoid bone, often caused by a fall on an outstretched hand.

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Bone Age Study

A single PA projection of the non-dominant hand and wrist.

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Forearm Bones

The Ulna is on the medial (inside) side of the forearm, while the Radius is on the lateral (outside) side.

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AP Forearm

The hand is supinated, CR is directed to the midshaft and a 40” SID is used. The light field should include 2 inches of each joint, with 1 inch of collimation on the sides for a marker.

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Lateral Forearm

The elbow is flexed 90 degrees with the hand/wrist in a lateral position. The CR is directed to the midshaft and a 40” SID is used. The light field should include 2 inches of each joint.

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Study Notes

Anatomy and Physiology

  • Anatomy is the science of the structure of the body
  • Physiology is the study of the function of body organs
  • Osteology is the study of bones

Osteology

  • The human body has 206 bones
  • Bones are categorized into axial and appendicular skeletons
    • Axial supports and protects the head and trunk (skull, vertebral column, ribs, and sternum)
    • Appendicular provides movement (limbs, shoulder and pelvic girdles)
  • Bones have various functions, including support, protection, and movement
  • Bones have specific features that are classified into different types

Body Planes

  • Sagittal: divides the body into left and right halves
  • Coronal: divides the body into front and back halves
  • Horizontal (transverse): divides the body into top and bottom halves
  • Oblique: an angle between planes

Anatomic Relationship

  • Anterior (ventral): front of the body
  • Posterior (dorsal): back of the body
  • Cephalad: toward the head
  • Caudal: away from the head
  • Superior: above, or higher
  • Inferior: below, or lower
  • Medial: towards middle of body
  • Lateral: outside
  • Proximal: closer to the point of attachment or origin
  • Distal: farthest from the point of attachment or origin
  • Superficial: closer to the surface
  • Deep: further from the surface

Body Movement

  • Movements include abduction (away from the body), adduction (towards the body), extension, flexion, eversion, inversion, pronation, supination, rotation, circumduction, dorsiflexion, and plantar flexion.

Imaging and Positioning

  • Radiographic projections include Anterior-Posterior, Posterior-Anterior, Lateral, Oblique, and Axial.
  • Imaging positions are defined by the path of the central ray (CR) in relation to the body's anatomical position.
  • Markers are used to aid in identifying body parts on radiographic images.
  • Body regions require specific imaging criteria to accurately show the region of interest.

Respiratory System Anatomy

  • Airway structure extends from the nose through the lungs.
  • The Pharynx, Larynx, Trachea, Bronchi, and Lungs are parts of the respiratory system.

Abdominal Cavity and Organs

  • The abdominal cavity houses many vital organs, including the liver, gallbladder, spleen, pancreas, kidneys, intestines, stomach, small, and large intestine
  • The abdominal cavity is separated by membranes (peritoneal).

Skeletal Divisions

  • The axial skeleton forms the central axis of the body and includes the skull, vertebral column, and ribs.
  • The appendicular skeleton includes the limbs, shoulder girdle, and pelvic girdle.

Hand and Wrist Anatomy

  • The hand and wrist have many bones; phalanges (fingers), metacarpals (palm), and carpals (wrist).
  • The hand and wrist have various joints, categorized as synovial, diarthrotic and hinge.

Elbow Anatomy

  • The elbow consists of the humerus, radius, and ulna.
  • The elbow joint has different bony processes.
  • Anatomical structures need clear imaging.

Special Imaging Considerations

  • Pathology-related imaging needs to meet criteria.
  • Special projections are employed for specific conditions like fractures or dislocations.

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