Specialty Examinations and Procedures

K1 Knowledge Competency: Medical assistants must be able to describe the audiometric and vision assessment procedures utilized to assess both hearing and vision acuity effectively.
K2 Knowledge Competency: Personnel must explain the clinical rationales for performing irrigation of the ear and eye.
K3 Knowledge Competency: Professionals must explain the purpose of the three primary vision screening tests used in clinical settings.
K4 Knowledge Competency: Clinicians must explain the purpose and specific procedural steps involved in spirometry, peak flow, and pulse oximetry testing.
K5 Knowledge Competency: Staff must be able to explain the medical purpose and the procedural steps of a flexible sigmoidoscopy.
K6 Knowledge Competency: Personnel must explain the purpose and the steps involved in a diabetic foot examination.

Ear Irrigation (Lavage): * This procedure may be required as a preparatory step prior to performing other ear examinations or procedures. * The primary clinical indication for ear irrigation is the presence of cerumen (earwax) within the ear canal.
Standard Ear Diagnostic Tests: * Audiometry: A procedure used to evaluate hearing acuity across various frequencies. * Tympanometry: A test used to assess the movement and function of the tympanic membrane.
Tuning Fork Examinations: * These exams are used to differentiate between types of hearing loss. * Rinne Test: A specialized tuning fork exam used to compare air conduction with bone conduction. * Weber Test: A tuning fork exam used to evaluate the lateralization of sound to determine the nature of hearing loss.

Internal Eye Structure Examination: * The medical provider employs an ophthalmoscope to conduct a thorough examination of the internal structures of the patient's eye.
Core Purposes of Eye Exams: * Assessments are conducted to check for vision acuity (the clarity or sharpness of vision). * Exams are also used to evaluate color vision acuity.
Eye Irrigation Procedures: * These procedures serve a triple purpose: to soothe ocular tissue, to relieve ocular inflammation, and to remove foreign objects and discharge from the eye.
Visual Acuity Testing Protocols: * Environment: The procedure must be performed in a well-lighted room to ensure accurate results. * Conditions: Ensure there are no interruptions during the testing phase. * Corrective Lenses: The patient must be tested twice: once with their corrective lenses and once without them. * Clinical Indicators: Medical Assistants (MAs) should review Table 36-1 as a guide for identifying possible indications of visual disturbance during testing.
Vision Screening Systems and Tools: * Snellen Chart: The standard system used for measuring distance vision acuity. * Jaeger System: The system utilized for measuring near vision acuity. * Ishihara Plates: Specialized color plates used to assess color vision acuity and identify deficiencies. * Contrast Sensitivity Screening: A screening method used to evaluate a patient's ability to distinguish an object from its background.

Vital Capacity (VC) Testing: * Official Definition: Vital capacity is defined as the greatest volume of air that can be expelled during a complete, slow, and unforced expiration following a maximum respiration.
Respiratory Diagnostic Modalities: * Spirometry: A clinical test used to assess lung function by measuring the volume of air inhaled and exhaled. * Peak Flow Testing: A test measuring a person's maximum speed of expiration (peak expiratory flow rate). * Pulse Oximetry: A non-invasive method for monitoring the oxygen saturation of a patient's blood.

Proctologic Examination Overview: * Primary Purpose: To examine the anus and the interior of the rectum. * Diagnostic Utility: These exams are essential for diagnosing hemorrhoids, fissures, and ulcerations.
Clinical Asepsis and MA Responsibilities: * Microorganism Control: All instruments and items that come into contact with a patient's body cavity must be strictly free from microorganisms. * The MA’s Role: The Medical Assistant is generally responsible for the task of ensuring equipment sterility and room preparation.
Patient Preparation and Procedural Efficiency: * Positioning: Proper positioning of the patient is critical for visibility, clinical accuracy, and patient comfort. * Instructions: MAs are responsible for preparing patients by providing clear, detailed instructions regarding the procedure.
Flexible Sigmoidoscopy: * Definition: A diagnostic examination focused on the interior of the sigmoid colon. * Diagnostic Indications: Sigmoidoscopy is a useful aid in the diagnosis of colon cancer, ulcerations, polyps, tumors, bleeding, and other various lower intestinal disorders.

Source Attribution: This material is derived from Chapter 36: Specialty Examinations and Procedures of the Tenth Edition (2026) of Medical Assisting: Administrative & Clinical Competencies by Michelle Blesi.
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