Hospitals, clinics, senior care centers, medical offices, and individual nurses and doctors, it seems everyone in need of medical diagnostic equipment. Whether you are in search of a high-quality stethoscope, blood pressure cuffs, biological testing equipment, Dopplers, or endoscopes, CristiaMedicalSupply.com can meet your needs.

Effective and updated diagnostic instruments are a vital part of any medical practice. Using the right equipment and the proper techniques allows medical professionals to accurately and efficiently diagnose a problem to determine the proper course of treatment. The technology used in some of these tools evolves very rapidly so keeping state-of-the-art equipment not only makes the medical staff’s life easier but also instills confidence in your patients.

The advent of medical diagnostic tools online may be the most important medical treatment advancement in the recent past. Now testing and results can be obtained much more quickly allowing the practitioner to find out the problem and begin treatment that much more rapidly. These tools also frequently bring down the cost of testing.

The best diagnostic tools allow you to give your patients the best possible care in the shortest period of time. They also allow you, the medical professional, to save money by reducing the need for repetitive testing and increasing both accuracy and efficiency.


Products 1-48 of 337
Show
10 Series Upper Arm Blood Pressure Unit
Price: $93.90
View
Availability: In Stock
Omron Healthcare Item #: BP7450 -

Dual LCD screen with side-by-side last measurement view & comparison * Irregular heartbeat count feature * Hypertension indicator - HIGH icon * OMRON Connect app * Horizontal base design with black faceplate * 2 Users * 200 memory total (100 memory/user) * Bluetooth� connectivity * Black backlit LCD * TruRead setting - Automatically takes 3 measurements * Body movement detection * Advanced averaging * Guest mode * Date/Time setting * Easy-wrap ComFit pre-formed cuff (Wide-range fits 9 - 17...

2.5v Halogen Lamp WA03400
Price: $46.38
View
Availability: In Stock
Welch Allyn Item #: WA03400 -

Welch Allyn 2.5 V Halogen Lamp for Otoscopes (#21110 #21111 #24000 #24011 #24020 #24031) Illuminators and Transilluminators (#27200 #27250 #41110) and 2.5 V Handle Adapter (#73550) * Warranty: ONE YEAR WARRANTY * Shipping Weights and Dimensions: Gross Weight: 0.005 KG * Width: 21.2 CM * Height: 8.6 CM * Depth: 12.2 CM

2.5v Nickel-Cadmium Rechargeable Battery (Red)
Price: $59.41
View
Availability: In Stock
Welch Allyn Item #: WA72000 -

3.5v Orange * Transformer style nickel cadmium rechargeable battery * *Transformer style nickel cadmium rechargeable battery *

2.5v Rechargable Battery for Pocketscope
Price: $55.48
View
Availability: In Stock
Welch Allyn Item #: WA72600 -

2.5 V Rechargeable Battery (Blue) for PocketScope: * Warranty: TWO YEAR WARRANTY * Shipping Weights and Dimensions: * Gross Weight: 0.05 KG * Width: 11.2 CM * Height: 3.2 CM * Depth: 21.1 CM

3 Series Upper Arm Blood Pressure Monitor
Price: $42.23
View
Availability: In Stock
Omron Healthcare Item #: BP7100 -

Designed for accuracy * Stores 14 blood pressure readings for one user * Includes a wide-range D-ring cuff (fits arms 9 to 17 in circumference) * Irregular heartbeat detection * Body movement detection * Unit warranty: 2 years * Cuff warranty: 1 year *

3 Series? Wrist Blood Pressure Unit
Price: $52.54
View
Availability: In Stock
Omron Healthcare Item #: BP6100 -

Cuff wrap guide * Hypertension indicator - HIGH icon * UltraSilent Inflation * 1 user * 60 memory storage * Irregular heartbeat detection * Body movement detection * Advanced averaging * Date/time setting * Soft cuff - fits 5.3 - 8.5 wrist circumferences * Unit warranty - 2 years * Cuff warranty - 1 year * Includes storage case * Includes 2AAA batteries *

3.5v AutoStep? Coaxial Ophthalmoscope Head Only
Price: $506.95
View
Availability: In Stock
Welch Allyn Item #: WA11730 -

3.5v AutoStep� Coaxial Ophthalmoscope Head Only * The Welch Allyn AutoStep� Coaxial Ophthalmoscope uses a Halogen HPX lamp that provides 30% more light output for true tissue color and consistent long-lasting illumination * Its 68 lenses in one diopter steps provide better resolution *

3.5v Coaxial Ophthalmoscope (Head Only)
Price: $388.53
View
Availability: In Stock
Welch Allyn Item #: WA11720 -

Head Only * 3.5v Coaxial Ophthalmoscope (Head Only) * Halogen HPX lamp provides 30% brighter whiter light output for true tissue color and consistent long-lasting illumination * Coaxial optics produce a shadow-free spot easier entry into undilated pupils and a larger field of view * Polarizing *

3.5V Coaxial Ophthalmoscope Set with Hard Case
Price: $697.68
View
Availability: In Stock
Welch Allyn Item #: WA11770 -

3.5 V Halogen HPX Ophthalmoscope Set with (11720) 3.5v Coaxial Ophthalmoscope Head and 71000A or 71000C Handle (handle type must be specified when ordering) * Rechargeable 60-Minute Power Handle(s) -- C-C ell Convertible Hard Storage Case; Nickel-Cadmium (#72300) Battery; IEC Plug Type-A * ONE YEAR WARRANTY * Width: 11.7 CM * Height: 19.7 CM * Depth: 5.5 CM

3.5v Diagnostic Otoscope- Halogen w/o Throat Illuminator
Price: $220.80
View
Availability: In Stock
Welch Allyn Item #: WA25020 -

Without Throat Illumator * Includes 3.5V otoscope / throat illuminator complete with four polypropylene specula size 2.5 3 4 and 5mm * New Halogen HPXTM Lamp that provides 30% more light output for true tissue color and consistent long lasting illumination * Wide angle viewing lens for instrumentation under magnification * Sealed system for pneumatic otoscopy * Pull otoscope head off to convert to highly intensify throat illuminator built into otoscope base *

3.5v Halogen Coaxial Diag. Set w/MacroView & Nasal Illum
Price: $1,083.87
View
Availability: In Stock
Welch Allyn Item #: WA97210M -

WITH COAXIAL OPHTHALMOSCOPE * With Macroview Otoscope * Includes Ophthalmoscope (WA11720) Otoscope (WA23820) Handle (WA71000) Nasal Illuminator (WA26535) and hard carry case * this is pneumatic

3.5v Halogen Lamp WA03100 (Mfgr #03100-U)
Price: $40.44
View
Availability: In Stock
Welch Allyn Item #: WA03100 -

For 3.5v Otoscopes * WA03100 for use with Otoscopes WA20000 WA25020 WA21700 WA20200 WA20202 and tongue blade holder * WA03100 for use with otoscopes #20000 25020 21700 20200 20202 and tongue blade holder 28100 *

3.5v Halogen Std Diagnostic Set w/MacroView Oto & Ophthal
Price: $993.70
View
Availability: In Stock
Welch Allyn Item #: WA97100M -

WITH MACROVIEW OTOSCOPE * Without Nasal Illuminator * Includes WA23820 MacroView Otoscope WA11710 Ophthalmascope WA71000 Handle and hard case

3.5v Halogen Std Diagnostic Set w/MacroView Oto & Ophthal.
Price: $933.77
View
Availability: In Stock
Welch Allyn Item #: WA97110M -

WITH MACROVIEW OTOSCOPE * With Nasal Illuminator * Includes WA23820 MacroView Otoscope WA11710 Ophthalmascope WA71000 Handle WA26538 Nasal Illuminator and hard case

3.5v Operating Otoscope Head
Price: $301.85
View
Availability: In Stock
Welch Allyn Item #: WA21700 -

Welch Allyn� 3.5v Operating Otoscope with Specula (Head Only) * Halogen HPX lamp that provides 30% more light output for true tissue color and consistent long-lasting illumination * Open system is convenient during procedures * Rotatable lens and speculum allows ease of use * Fiber optic illumination produces cool light *

3.5v Pneumatic Otoscope Head
Price: $285.91
View
Availability: In Stock
Welch Allyn Item #: WA20200 -

Welch Allyn� 3.5v Pneumatic Otoscope with Specula (Head Only) is Ultra-sealed for pneumatic otoscopy * An instrument that provides 30% brighter whiter light output and a rotating lens with ultra-seal for pneumatic otoscopy * Halogen HPX lamp for 30% more light output for true tissue color and consistent long-lasting illumination * Rotating lens with ultra-seal allows for pneumatic otoscopy * Fiber optic illumination produces cool light *

3m Littman Master Card Black Stethoscope
Price: $283.22
View
Availability: In Stock
3M Item #: 3M2160 -

Black 27 * The ultimate acoustical stethoscope * Tunable diaphragm conveniently alternates between low and high frequency sounds without the need to turn over the chestpiece * Handcrafted sold stainless steel chestpiece * 2-in-1 tube design eliminates tube rubbing noise * Portable convenience of a single-sided chestpiece * Excellent acoustic seal and comfortable fit with patented Littmann Snap Tight soft-sealing eartips * Comfortably angled anatomically correct headset * Patient-friendly...

3m Littman Master Cardiology Navy Blue  27
Price: $283.22
View
Availability: In Stock
3M Item #: 3M2164 -

Navy Blue 27 * The ultimate acoustical stethoscope * Tunable diaphragm conveniently alternates between low and high frequency sounds without the need to turn over the chestpiece * Handcrafted sold stainless steel chestpiece * 2-in-1 tube design eliminates tube rubbing noise * Portable convenience of a single-sided chestpiece * Excellent acoustic seal and comfortable fit with patented Littmann Snap Tight soft-sealing eartips * Comfortably angled anatomically correct headset * Patient-friendly...

3m Littman Master Classic II Black  Steth--Special Edition
Price: $139.16
View
Availability: In Stock
3M Item #: 3M2141 -

Special Edition: Black Binaural Black Tubing Black Chestpiece 27 * Tunable diaphragm conveniently alternates between low and high frequency sounds without the need to turn over the chestpiece * Excellent acoustic seal and comfortable fit with patented Snap Tight soft-sealing eartips * Comfortably angled anatomically correct headset * Patient-friendly nonchill rim and diaphragm * High performance single lumen tubing * 3 year warranty

3m Littman Master Classic II Black Stethoscope
Price: $124.98
View
Availability: In Stock
3M Item #: 3M2144L -

Black 27 * Tunable diaphragm conveniently alternates between low and high frequency sounds without the need to turn over the chestpiece * Excellent acoustic seal and comfortable fit with patented Snap Tight soft-sealing eartips * Comfortably angled anatomically correct headset * Patient-friendly nonchill rim and diaphragm * High performance single lumen tubing in a range of attractive colors * 3 year warranty *

3m Littman Master Classic II Burgundy Stethoscope
Price: $124.98
View
Availability: In Stock
3M Item #: 3M2146 -

Black 27 * Tunable diaphragm conveniently alternates between low and high frequency sounds without the need to turn over the chestpiece * Excellent acoustic seal and comfortable fit with patented Snap Tight soft-sealing eartips * Comfortably angled anatomically correct headset * Patient-friendly nonchill rim and diaphragm * High performance single lumen tubing in a range of attractive colors * 3 year warranty *

3m Littman Master Classic Veterinary Stethoscope
Price: $127.02
View
Availability: In Stock
3M Item #: 3M1392 -

A tunable diaphragm allows the user to conveniently alternate between the low- and high-frequency sounds without turning over the chestpiece * Portable convenience of single-sided chestpiece * High-performance single-lumen tubing for excellent acoustic performance in a range of attractive colors * Excellent acoustic seal and comfortable fit with patented 3M Littmann� Snap Tight Soft-Sealing Eartips * Comfortably angled anatomically correct headset * Used as a diagnostic aid as part of the...

3m Littman Pediatric Black Stethoscope
Price: $124.95
View
Availability: In Stock
3M Item #: 3M2113 -

Black 28 * One inch traditional pediatric bell combined with a floating diaphragm * Sold stainless steel chestpiece * Excellent acoustic seal and comfortable fit with patented Littmann Snap Tight soft- sealing eartips * Comfortably angled anatomically correct headset * Patient-friendly nonchill rim and diaphragm * Single lumen tubing in a range of attractive colors * 3 year warranty * NOTE: Classic II Infant Stethoscopes also available upon request

3m Littman Pediatric Caribbean Blue Stethoscope
Price: $124.95
View
Availability: In Stock
3M Item #: 3M2119 -

Caribbean Blue 28 * One inch traditional pediatric bell combined with a floating diaphragm * Sold stainless steel chestpiece * Excellent acoustic seal and comfortable fit with patented Littmann Snap Tight soft- sealing eartips * Comfortably angled anatomically correct headset * Patient-friendly nonchill rim and diaphragm * Single lumen tubing in a range of attractive colors * 3 year warranty * NOTE: Classic II Infant Stethoscopes also available upon request

3M Littmann Cardiology IV Black 27  Stethoscope
Price: $229.85
View
Availability: In Stock
3M Item #: 3M6152 -

Outstanding acoustics with better audibility of high-frequency sounds (adult side firm pressure) * Tunable diaphragm: Hear high or low frequency sounds by slightly adjusting pressure on the chestpiece * Standard-Finish Chestpiece Black Tube Stainless Stem and Headset * Dual-lumen tubing: Two sound paths in one tube eliminates the rubbing noise of traditional double tubes * Next-generation tubing lasts longer and resists stains * Not made with natural rubber latex or phthalate plasticizers *...

3M Littmann Cardiology IV Burgundy w/Mirror finish Steth
Price: $269.50
View
Availability: In Stock
3M Item #: 3M6170 -

Outstanding acoustics with better audibility of high-frequency sounds (adult side firm pressure) * Tunable diaphragm: Hear high or low frequency sounds by slightly adjusting pressure on the chestpiece * Standard-Finish Chestpiece Burgundy w/Mirror finish Tube Stainless Stem and Headset * Dual-lumen tubing: Two sound paths in one tube eliminates the rubbing noise of traditional double tubes * Next-generation tubing lasts longer and resists stains * Not made with natural rubber latex or...

3M Littmann Cardiology IV Stethoscope  Plum
Price: $229.85
View
Availability: In Stock
3M Item #: 3M6156 -

Outstanding acoustics with better audibility of high-frequency sounds (adult side firm pressure) * Tunable diaphragm: Hear high or low frequency sounds by slightly adjusting pressure on the chestpiece * Standard-Finish Chestpiece Plum Tube Stainless Stem and Headset * Dual-lumen tubing: Two sound paths in one tube eliminates the rubbing noise of traditional double tubes * Next-generation tubing lasts longer and resists stains * Not made with natural rubber latex or phthalate plasticizers *...

3M Littmann Classic III Steth Black  27         (Each)
Price: $111.97
View
Availability: In Stock
3M Item #: 3M5620 -

Two-sided chestpiece with tunable diaphragms on both the adult and pediatric sides * Single-piece tunable diaphragm is easy to attach and easier to clean because its surface is smooth without crevices * Pediatric side converts to a traditional open bell by replacing the single-piece diaphragm with a non-chill rim * Next-generation tubing provides longer life due to improved resistance to skin oils and alcohol; less likely to pick up stains

3M Littmann Classic III Steth Burgundy   27        (Each)
Price: $111.97
View
Availability: In Stock
3M Item #: 3M5627 -

Two-sided chestpiece with tunable diaphragms on both the adult and pediatric sides * Single-piece tunable diaphragm is easy to attach and easier to clean because its surface is smooth without crevices * Pediatric side converts to a traditional open bell by replacing the single-piece diaphragm with a non-chill rim * Next-generation tubing provides longer life due to improved resistance to skin oils and alcohol; less likely to pick up stains

3M Littmann Classic III Steth Caribbean Blue  27      (Each)
Price: $111.97
View
Availability: In Stock
3M Item #: 3M5623 -

Two-sided chestpiece with tunable diaphragms on both the adult and pediatric sides * Single-piece tunable diaphragm is easy to attach and easier to clean because its surface is smooth without crevices * Pediatric side converts to a traditional open bell by replacing the single-piece diaphragm with a non-chill rim * Next-generation tubing provides longer life due to improved resistance to skin oils and alcohol; less likely to pick up stains

3M Littmann Classic III Steth Caribbean w/27  Rainbow Tubing
Price: $121.97
View
Availability: In Stock
3M Item #: 3M5807 -

Two-sided chestpiece with tunable diaphragms on both the adult and pediatric sides * Single-piece tunable diaphragm is easy to attach and easier to clean because its surface is smooth without crevices * Pediatric side converts to a traditional open bell by replacing the single-piece diaphragm with a non-chill rim * Next-generation tubing provides longer life due to improved resistance to skin oils and alcohol; less likely to pick up stains

3M Littmann Classic III Steth Ceil Blue  27         (Each)
Price: $111.97
View
Availability: In Stock
3M Item #: 3M5630 -

Two-sided chestpiece with tunable diaphragms on both the adult and pediatric sides * Single-piece tunable diaphragm is easy to attach and easier to clean because its surface is smooth without crevices * Pediatric side converts to a traditional open bell by replacing the single-piece diaphragm with a non-chill rim * Next-generation tubing provides longer life due to improved resistance to skin oils and alcohol; less likely to pick up stains

3M Littmann Classic III Steth Gray   27        (Each)
Price: $111.97
View
Availability: In Stock
3M Item #: 3M5621 -

Two-sided chestpiece with tunable diaphragms on both the adult and pediatric sides * Single-piece tunable diaphragm is easy to attach and easier to clean because its surface is smooth without crevices * Pediatric side converts to a traditional open bell by replacing the single-piece diaphragm with a non-chill rim * Next-generation tubing provides longer life due to improved resistance to skin oils and alcohol; less likely to pick up stains

3M Littmann Classic III Steth Lavender   27        (Each)
Price: $111.97
View
Availability: In Stock
3M Item #: 3M5832 -

Two-sided chestpiece with tunable diaphragms on both the adult and pediatric sides * Single-piece tunable diaphragm is easy to attach and easier to clean because its surface is smooth without crevices * Pediatric side converts to a traditional open bell by replacing the single-piece diaphragm with a non-chill rim * Next-generation tubing provides longer life due to improved resistance to skin oils and alcohol; less likely to pick up stains

3M Littmann Classic III Steth Lime Green   27        (Each)
Price: $111.97
View
Availability: In Stock
3M Item #: 3M5829 -

Two-sided chestpiece with tunable diaphragms on both the adult and pediatric sides * Single-piece tunable diaphragm is easy to attach and easier to clean because its surface is smooth without crevices * Pediatric side converts to a traditional open bell by replacing the single-piece diaphragm with a non-chill rim * Next-generation tubing provides longer life due to improved resistance to skin oils and alcohol; less likely to pick up stains

3M Littmann Classic III Steth Navy  27         (Each)
Price: $111.97
View
Availability: In Stock
3M Item #: 3M5622 -

Two-sided chestpiece with tunable diaphragms on both the adult and pediatric sides * Single-piece tunable diaphragm is easy to attach and easier to clean because its surface is smooth without crevices * Pediatric side converts to a traditional open bell by replacing the single-piece diaphragm with a non-chill rim * Next-generation tubing provides longer life due to improved resistance to skin oils and alcohol; less likely to pick up stains

3M Littmann Classic III Steth Pearl Pink  27         (Each)
Price: $111.97
View
Availability: In Stock
3M Item #: 3M5633 -

Two-sided chestpiece with tunable diaphragms on both the adult and pediatric sides * Single-piece tunable diaphragm is easy to attach and easier to clean because its surface is smooth without crevices * Pediatric side converts to a traditional open bell by replacing the single-piece diaphragm with a non-chill rim * Next-generation tubing provides longer life due to improved resistance to skin oils and alcohol; less likely to pick up stains

3M Littmann Classic III Steth Plum  27         (Each)
Price: $111.97
View
Availability: In Stock
3M Item #: 3M5831 -

Two-sided chestpiece with tunable diaphragms on both the adult and pediatric sides * Single-piece tunable diaphragm is easy to attach and easier to clean because its surface is smooth without crevices * Pediatric side converts to a traditional open bell by replacing the single-piece diaphragm with a non-chill rim * Next-generation tubing provides longer life due to improved resistance to skin oils and alcohol; less likely to pick up stains

3M Littmann Classic III Steth Raspberry w/27  Rainbow Tubing
Price: $121.97
View
Availability: In Stock
3M Item #: 3M5806 -

Two-sided chestpiece with tunable diaphragms on both the adult and pediatric sides * Single-piece tunable diaphragm is easy to attach and easier to clean because its surface is smooth without crevices * Pediatric side converts to a traditional open bell by replacing the single-piece diaphragm with a non-chill rim * Next-generation tubing provides longer life due to improved resistance to skin oils and alcohol; less likely to pick up stains

3M Littmann Classic III Steth Turquoise  27         (Each)
Price: $111.97
View
Availability: In Stock
3M Item #: 3M5835 -

Two-sided chestpiece with tunable diaphragms on both the adult and pediatric sides * Single-piece tunable diaphragm is easy to attach and easier to clean because its surface is smooth without crevices * Pediatric side converts to a traditional open bell by replacing the single-piece diaphragm with a non-chill rim * Next-generation tubing provides longer life due to improved resistance to skin oils and alcohol; less likely to pick up stains

5 Series Upper Arm Blood Pressure Unit
Price: $59.06
View
Availability: In Stock
Omron Healthcare Item #: BP7250 -

Bluetooth� Connectivity * OMRON Connect app * Irregular heartbeat count feature * Hypertension indicator - HIGH icon * Black & white faceplate design * 1 User * 60 Memory * Body movement detection * Advanced averaging * Guest mode * Date/Time setting * Soft D-Ring Cuff (Wide-Range fits 9 - 17 adult upper arms) * Unit warranty - 2 years * Cuff warranty - 1 year * Includes 4AA batteries *

6 Volt Vacuum Bulb for Welch Allyn Headlamp
Price: $46.55
View
Availability: In Stock
Welch Allyn Item #: WA02500 -

Welch Allyn 6.0 V Halogen Lamp for Direct Focusing Headlight (#s 460XX) * Warranty: ONE YEAR WARRANTY * Shipping Weights and Dimensions: *Gross Weight: 6.05 KG * Width: 6.8 CM * Height: 4.1 CM * Depth: 9.1 CM

7 Series Upper Arm Blood Pressure Unit
Price: $81.93
View
Availability: In Stock
Omron Healthcare Item #: BP7350 -

Bluetooth� connectivity * Dual LCD screen with side-by-side last measurement view & comparison * Irregular heartbeat count feature * Hypertension indicator - HIGH icon * OMRON Connect app * Horizontal base design with black faceplate * 2 users * 120 memory total (60 memory/user) * Body movement detection * Advanced averaging * Guest mode * Date/Time setting * Easy-wrap ComFit pre-formed cuff (Wide-range fits 9 - 17 adult upper arms) * Unit warranty - 5 years * Cuff warranty - 1 year * Includes...

7 Series? Wrist Blood Pressure Unit
Price: $72.12
View
Availability: In Stock
Omron Healthcare Item #: BP6350 -

Bluetooth� connectivity * Cuff wrap guide * Hypertension indicator - HIGH icon * OMRON Connect app * Black faceplate * 90 memory total * Exclusive heart zone guidance technology * UltraSilent inflation * 1 user * Irregular heartbeat detection * Body movement detection * Advanced averaging * Guest mode * Date/time setting * Soft cuff - fits 5.3 - 8.5 wrist circumferences * Unit warranty - 5 years * Cuff warranty - 1 year * Includes storage case * Includes 4AAA batteries *

8 Tubing only for Tycos Wall Aneroid Blood Pressure Unit
Price: $51.54
View
Availability: In Stock
WA Item #: 5089-13 -

Coil Tubing 244 cm (8') * Warranty: ONE YEAR WARRANTY * Shipping Weights and Dimensions: * Gross Weight: 0.155 KG * Width: 15.24 CM * Height: 12.7 CM * Depth: 2.54 CM

AC  Adaptor For  Omron Digital BP Units(HEM-ADPTW5)
Price: $26.53
View
Availability: In Stock
Omron Healthcare Item #: HEM-ADPT1 -

Optional AC Adapter * For use with all Omron digital BP units except for HEM907/907XL

AC Adapter for #BJ120100 Blue Jay Brand BP Unit
Price: $16.01
View
Availability: In Stock
Blue Jay An Elite Health Care Brand Item #: BJ120104 -

The Blue Jay Elite Healthcare Products PLUG-IT-IN AC ADAPTER eliminates the need for batteries * Our PLUG-IT-IN AC ADAPTER is to be used with the Blue Jay Elite Healthcare Products Perfect Measure line of Blood Pressure Units *

AC Adapter only for HEM907XL
Price: $67.80
View
Availability: In Stock
Omron Healthcare Item #: HEMADPT907 -

Number of questions: 0