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Allied Health Professions • Field guide

Therapeutic, Rehabilitative, and Restorative Sciences

These professions help people breathe, move, communicate, and manage everyday activities. Examples include supporting someone as they learn to walk again or practice getting dressed. The goal, professional role, and required training differ across the fields.

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Therapeutic, Rehabilitative, and Restorative Sciences

Nutrition and Dietetics Technician, Registered

NDTR

Supports nutrition assessment, education, food-service systems, and care delivery with registered dietitian nutritionists.

The work and its responsibilities

Work settingsNutrition services, healthcare facilities, and food-service systems
Patient contactVaries between patient education and operational work
Scientific focusNutrition, food systems, and care-plan support

An illustrative work example

A nutrition service must connect the needs of a person with the practical delivery of meals and education. Records and communication link the service with the wider care team.

Actual duties depend on training, specialty, workplace, and applicable rules. Ask a working professional about the pace, physical demands, shift patterns, documentation, and less visible responsibilities of this role.

Education and verification

Accredited associate-degree or qualifying bachelor-level pathway.

What to verify: ACEND program status, supervised practice, CDR examination eligibility, and state requirements.

Ask for the exact entry requirements, supervised clinical arrangements, complete costs, and intended credential outcome. Verify eligibility with the responsible organization for your program, campus, delivery format, and intended state of work. Completion, examination eligibility, certification, and state authorization are separate questions.

Bring this question to the program

Ask how supervised practice covers both nutrition support and food-service operations.

Therapeutic, Rehabilitative, and Restorative Sciences

Occupational Therapy Assistant

OTA

Helps patients regain or adapt the daily activities needed for independence at home, work, school, and in the community.

The work and its responsibilities

Work settingsRehabilitation, schools, clinics, and community settings
Patient contactDirect contact focused on everyday activities
Scientific focusFunction, adaptation, development, and daily living

An illustrative work example

An ordinary activity has become difficult for a patient. Therapy may involve practicing the task or learning to use adaptive equipment as part of the occupational therapist’s plan.

Actual duties depend on training, specialty, workplace, and applicable rules. Ask a working professional about the pace, physical demands, shift patterns, documentation, and less visible responsibilities of this role.

Education and verification

Associate degree.

What to verify: ACOTE accreditation, certification and licensure eligibility, clinical fieldwork, and population focus.

Ask for the exact entry requirements, supervised clinical arrangements, complete costs, and intended credential outcome. Verify eligibility with the responsible organization for your program, campus, delivery format, and intended state of work. Completion, examination eligibility, certification, and state authorization are separate questions.

Bring this question to the program

Ask which populations students work with and how fieldwork connects activities to the person’s goals.

Occupational reference: U.S. Bureau of Labor Statistics — Occupational therapy assistants.

Therapeutic, Rehabilitative, and Restorative Sciences

Physical Therapist Assistant

PTA

Implements physical-therapy plans under a physical therapist to improve mobility, strength, and function.

The work and its responsibilities

Work settingsRehabilitation, outpatient, hospital, and long-term-care settings
Patient contactRepeated direct contact during treatment sessions
Scientific focusMovement, strength, anatomy, and functional recovery

An illustrative work example

A patient is working toward moving more independently. Carrying out the physical therapist’s plan includes observing performance and communicating the patient’s progress.

Actual duties depend on training, specialty, workplace, and applicable rules. Ask a working professional about the pace, physical demands, shift patterns, documentation, and less visible responsibilities of this role.

Education and verification

Associate degree.

What to verify: CAPTE accreditation, licensure eligibility, clinical placements, and the physical demands of the work.

Ask for the exact entry requirements, supervised clinical arrangements, complete costs, and intended credential outcome. Verify eligibility with the responsible organization for your program, campus, delivery format, and intended state of work. Completion, examination eligibility, certification, and state authorization are separate questions.

Bring this question to the program

Ask about clinical placements, physical demands, and how students learn to document progress under supervision.

Therapeutic, Rehabilitative, and Restorative Sciences

Recreational Therapist

Uses evidence-informed recreation and activity interventions to support physical, cognitive, emotional, and social functioning.

The work and its responsibilities

Work settingsRehabilitation, behavioral health, and community programs
Patient contactDirect work with individuals and groups
Scientific focusTherapeutic activity, participation, and functional goals

An illustrative work example

An activity session is organized around a therapeutic goal. The professional observes participation and progress instead of treating the activity as entertainment alone.

Actual duties depend on training, specialty, workplace, and applicable rules. Ask a working professional about the pace, physical demands, shift patterns, documentation, and less visible responsibilities of this role.

Education and verification

Bachelor’s degree is common.

What to verify: Curriculum alignment, internship requirements, NCTRC eligibility, and any state credential.

Ask for the exact entry requirements, supervised clinical arrangements, complete costs, and intended credential outcome. Verify eligibility with the responsible organization for your program, campus, delivery format, and intended state of work. Completion, examination eligibility, certification, and state authorization are separate questions.

Bring this question to the program

Ask how internships connect activity selection, assessment, documentation, and the populations served.

Therapeutic, Rehabilitative, and Restorative Sciences

Respiratory Therapist

RT

Manages airway care, mechanical ventilation, cardiopulmonary assessment, emergency support, and respiratory treatment.

The work and its responsibilities

Work settingsHospitals, critical care, outpatient, and other respiratory services
Patient contactDirect patient care, sometimes during emergencies
Scientific focusCardiopulmonary physiology, gas exchange, and respiratory equipment

An illustrative work example

A patient needs respiratory treatment and reassurance. The therapist connects assessment, equipment, communication with clinicians, and documentation of the patient’s response.

Actual duties depend on training, specialty, workplace, and applicable rules. Ask a working professional about the pace, physical demands, shift patterns, documentation, and less visible responsibilities of this role.

Education and verification

Associate or bachelor’s degree in respiratory care.

What to verify: CoARC accreditation, NBRC eligibility, state licensure, and the realities of ICU, emergency, and shift work.

Ask for the exact entry requirements, supervised clinical arrangements, complete costs, and intended credential outcome. Verify eligibility with the responsible organization for your program, campus, delivery format, and intended state of work. Completion, examination eligibility, certification, and state authorization are separate questions.

Bring this question to the program

Ask about the balance of critical care, routine treatments, patient education, and supervised clinical rotations.

Occupational reference: U.S. Bureau of Labor Statistics — Respiratory therapists.

Therapeutic, Rehabilitative, and Restorative Sciences

Speech-Language Pathology Assistant

SLPA

Supports speech, language, communication, and swallowing interventions under authorized supervision.

The work and its responsibilities

Work settingsSchools, clinics, and communication-support services
Patient contactRepeated supervised interaction with clients
Scientific focusCommunication, language development, and structured practice

An illustrative work example

A client practices a communication skill within a supervised plan. Clear observation and accurate records help the supervising professional understand how the practice is progressing.

Actual duties depend on training, specialty, workplace, and applicable rules. Ask a working professional about the pace, physical demands, shift patterns, documentation, and less visible responsibilities of this role.

Education and verification

Associate, certificate, or bachelor’s preparation depending on the state.

What to verify: State authorization, supervisor requirements, course and fieldwork standards, and any credential required for practice.

Ask for the exact entry requirements, supervised clinical arrangements, complete costs, and intended credential outcome. Verify eligibility with the responsible organization for your program, campus, delivery format, and intended state of work. Completion, examination eligibility, certification, and state authorization are separate questions.

Bring this question to the program

Ask which duties your state permits and how the program arranges qualified supervision and fieldwork.

Compare the work, then the education.

Roles within the same field can involve very different patient contact, scientific preparation, responsibilities, and working hours. Choose the specific occupation you want to explore before comparing school names or advertised program lengths.

Record your unanswered questions about clinical experience, total cost, credentials, and the state where you intend to work. Program Selection will help you turn those questions into a practical comparison and recognize education practices that deserve scrutiny.

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