Document:

Exhibit 10.6

                                 AMENDMENT NO. 6
                                     TO THE
                     REVOLVING LOAN AND SECURITY AGREEMENTS

         THIS AMENDMENT NO. 6 TO THE REVOLVING LOAN AND SECURITY AGREEMENTS (the
"Amendment") is made and entered into as of May 5, 2006, by and between McKinley
Enterprises Inc. Profit Sharing Plan and Trust, a Utah corporation ("Lender")
and Quest Group International, Inc., a Nevada corporation ("Borrower").

                                 R E C I T A L S

         A. The parties entered into agreements captioned "Revolving Loan and
Security Agreements" (the "Revolving Loan Agreements") on the 12th day of
October, 2001and the 13th day of February, 2002 which agreements were
subsequently amended. All capitalized terms not otherwise defined herein shall
have the same meaning as set forth in the Revolving Loan Agreements.

         B. The parties desire to amend the Revolving Loan Agreements, as
amended, to reflect an extension of the due date of the loan.

         NOW, THEREFORE, the parties hereto hereby amend the Revolving Loan
Agreements as follows:

         1. Section 3 of the Revolving Loan Agreements are hereby amended to
read in its entirety as follows:

         Section 3. Payments. All principal and interest outstanding shall be
         due and payable by the Borrower to the Lender in a single balloon
         payment on August 18, 2006. The terms of any outstanding promissory
         notes relating to the Revolving Loan Agreements are hereby amended to
         reflect the extension of the due date. The Borrower may, from time to
         time, in the Borrower's discretion, make one or more periodic payments
         to the Lender. Such payments shall be credited to the Borrower's
         account on the date that such payment is physically received by the
         Lender. Such payments shall be applied first to the interest
         outstanding, and then to the principal outstanding.

         2. The Revolving Loan Agreements shall remain in full force and effect
and shall remain unaltered, except to the extent specifically amended herein.

         3. This Amendment may be signed in several counterparts, through the
use of multiple signature pages appended to each original, and all such
counterparts shall constitute one and the same instrument. Any counterpart to
which is attached the signatures of all parties shall constitute an original of
this Amendment.

         IN WITNESS WHEREOF, the undersigned have executed this Amendment as of
the date first above written.

"BORROWER"                                    "LENDER"
QUEST GROUP INTERNATIONAL, INC.,              MCKINLEY ENTERPRISES INC. PROFIT
a Nevada corporation                          SHARING PLAN AND TRUST
Federal Empl. ID No. 87-0534469               a Utah corporation

By /s/ Craig Davis                            By /s/ David Nemelka
--------------------------------              ----------------------------
Craig Davis, President                        Its: TrusteeVANGUARD HEALTH SYSTEMS, INC.

EXHIBIT 10.1

Approved by the Board of Directors on February 2, 2006, and effective on

February 15, 2006.

AMENDMENT NUMBER 2

to the

VANGUARD HEALTH SYSTEMS, INC.

2004 STOCK INCENTIVE PLAN

            The first sentence of Section 3 of the above-referenced Plan is deleted in its entirety and replaced with the following new sentence:

                        “The total number of Shares which may be issued under the Plan

                        is 97,371.”VANGUARD HEALTH SYSTEMS, INC.

EXHIBIT 10.2

Approved by the Board of Directors on February 2, 2006, and effective on

April 15, 2006.

AMENDMENT NUMBER 3

to the

VANGUARD HEALTH SYSTEMS, INC.

2004 STOCK INCENTIVE PLAN

            The first sentence of Section 3 of the above-referenced Plan is deleted in its entirety and replaced with the following new sentence:

                        “The total number of Shares which may be issued under the Plan

                        is 98,120.”EXHIBIT 10.3

ARIZONA HEALTH CARE COST CONTAINMENT SYSTEM ADMINISTRATION
DIVISION OF BUSINESS AND FINANCE
CONTRACT AMENDMENT

1. AMENDMENT NUMBER: 13
2. CONTRACT NO.: YH04-0001-06
3. EFFECTIVE DATE OF AMENDMENT: October 1, 2005
4. PROGRAM: DHCM
5. CONTRACTOR/PROVIDER NAME AND ADDRESS:
   Phoenix Health Plan/Community Connection
   7878 N. 16th Street
   Phoenix, Arizona  85020

6. PURPOSE OF AMENDMENT:
   To incorporate the changes below and to amend capitation rates.

7. The above referenced contract is hereby amended as follows:

   SECTION B, CAPITATION RATES

   See rate sheet attached for the revised capitation rates effective October
   1, 2005 through December 31, 2005 and the amounts to be paid to the rural
   hospitals.

   Insert the following language beforee "See attached.":

   "The Contractor will be paid the attached Contractor specific capitation
   rates retroactively, per member per month, for the period of October 1, 2005
   through December 31, 2005. Only the impacted rates are included on the
   attachment. All other rates remain unchanged. The Administration requires
   that the Contractor then make one-time payments to each rural hospital as
   prescribed on the attached schedule, pursuant to ARS Section 36-2905.02, to
   increase inpatient reimbursement to these small rural hospitals.

   The retroactive capitation rate payment will be paid with the May 2006
   capitation payments. The Contractor shall make the prescribed payments to
   the rural hospitals by May 31, 2006.

   AHCCCS requires that the Contractor submit confirmation of the payments
   to the Finance Unit of the Division of Health Care Management by
   June 15, 2006.

   The capitation rates for the period January 1, 2006 through September 30,
   2006 are not impacted by this amendment."

NOTE: Please sign and date both and then return one original to:
      Michael Veit, Contracts & Purchasing Administrator
      AHCCCS Contracts and Purchasing
      701 E. Jefferson, MD 5700
      Phoenix, AZ 85034

8.  EXCEPT AS PROVIDED FOR HEREIN, ALL TERMS AND CONDITIONS OF THE ORIGINAL
    CONTRACT NOT HERETOFORE CHANGED AND/OR AMENDED REMAIN UNCHANGED AND IN
    FULL EFFECT.

    IN WITNESS WHEREOF THE PARTIES HERETO SIGN THEIR NAMES IN AGREEMENT.

9.  NAME OF CONTRACTOR: PHOENIX HEALTH PLAN
    SIGNATURE OF AUTHORIZED INDIVIDUAL: /s/NANCY NOVICK
    TYPED NAME: NANCY NOVICK
    TITLE: CHIEF EXECUTIVE OFFICER
    DATE: 4/4/06

10. ARIZONA HEALTH CARE COST CONTAINMENT SYSTEM
    SIGNATURE: /s/MICHAEL VIET
    TYPED NAME: MICHAEL VEIT
    TITLE: CONTRACTS AND PURCHASING ADMINISTRATOR
    DATE: MAR 30 2006

<page>

ARIZONA HEALTH CARE COST CONTAINMENT SYSTEM
REVISED ACUTE CAPITATION RATES
Phoenix Health Plan/Community Connection
(10/1/05-12/31/05)

TITLE XIX RATES:
8  Gila/Pinal
12 Maricopa

TANF <1, M/F
$486.24
$429.72

TANF 1-13, M/F
$108.25
$102.56

TANF
14-44, F
$198.75
$183.67

TANF
14-44, M
$131.15
$125.28

TANF
45+, M/F
$378.00
$378.22

SSI w/Med
$283.02
$272.44

SSI w/o Med
$610.94
$564.56

Non-MED
$446.35
$430.79

MED
$944.35
$841.02

Two percent Premium tax is included in the Capitation Rates.
Payments stated without Premium Tax.

PHP/Community connection		Payment
1  BENSON HOSPITAL			  $0.00
2  CARONDELET HOLY CROSS HOSPITAL	  $0.00
3  COBRE VALLEY COMMUNITY HOSPITAL	  $347,784.65
4  COOPER QUEEN COMMUNITY HOSPITAL	  $0.00
5  LA PAZ REGIONAL MEDICAL CENTER	  $0.00
6  MT. GRAHAM COMMUNITY HOSPITAL	  $0.00
7  NAVAPACHE REGIONAL MEDICAL CENTER	  $1,616.49
8  NORTHERN COCHISE COMMUNITY HOSPITAL	  $0.00
9  PAGE HOSPITAL			  $0.00
10 PAYSON HOSPITAL CORPORATION		  $448,275.56
11 SIERRA VISTA COMMUNITY HOSPITAL	  $455.18
12 SOUTHEAST ARIZONA MEDICAL CENTER	  $0.00
13 VERDE VALLEY MEDICAL CENTER (MJL)	  $0.00
14 WHITE MOUNTAIN REGIONAL MEDICAL CENTER $0.00
15 WICKENBURG REGIONAL HOSPITAL		  $0.00
16 WINSLOW MEMORIAL HOSPITAL		  $4,986.27

   Total				  $803,118.14EXHIBIT 10.4

ARIZONA HEALTH CARE COST CONTAINMENT SYSTEM ADMINISTRATION
DIVISION OF BUSINESS AND FINANCE
CONTRACT AMENDMENT

1. AMENDMENT NUMBER: 14
2. CONTRACT NO.: YH04-0001-06
3. EFFECTIVE DATE OF AMENDMENT: October 1, 2005
4. PROGRAM: DHCM
5. CONTRACTOR/PROVIDER NAME AND ADDRESS:
   Phoenix Health Plan/Community Connection
   7878 N. 16th Street
   Phoenix, Arizona  85020

6. PURPOSE OF AMENDMENT:
   To incorporate the changes below and to amend capitation rates.

7. The previous amendment of the above referenced contract is hereby amended
   as follows:

   SECTION B, CAPITATION RATES

   See rate sheet attached for the revised capitation rates effective October
   1, 2005 through December 31, 2005 and the amounts to be paid to the rural
   hospitals.

   Insert the following language beforee "See attached.":

   "The Contractor will be paid the attached Contractor specific capitation
   rates retroactively, per member per month, for the period of October 1, 2005
   through December 31, 2005. Only the impacted rates are included on the
   attachment. All other rates remain unchanged. The Administration requires
   that the Contractor then make one-time payments to each rural hospital as
   prescribed on the attached schedule, pursuant to ARS Section 36-2905.02, to
   increase inpatient reimbursement to these small rural hospitals.

   The retroactive capitation rate payment will be paid with the June 2006
   capitation rates. The Contractor shall make the prescribed payments to
   the rural hospitals during June 2006 and submit proof of payment to the
   Finance Unit of the Division of Health Care Management by June 30, 2006.

   The capitation rates for the period January 1, 2006 through September 30,
   2006 are not impacted by this amendment."

NOTE: Please sign and date both and then return one original to:
      Michael Veit, Contracts & Purchasing Administrator
      AHCCCS Contracts and Purchasing
      701 E. Jefferson, MD 5700
      Phoenix, AZ 85034

8.  EXCEPT AS PROVIDED FOR HEREIN, ALL TERMS AND CONDITIONS OF THE ORIGINAL
    CONTRACT NOT HERETOFORE CHANGED AND/OR AMENDED REMAIN UNCHANGED AND IN
    FULL EFFECT.

    IN WITNESS WHEREOF THE PARTIES HERETO SIGN THEIR NAMES IN AGREEMENT.

9.  NAME OF CONTRACTOR: PHOENIX HEALTH PLAN
    SIGNATURE OF AUTHORIZED INDIVIDUAL: /s/NANCY NOVICK
    TYPED NAME: NANCY NOVICK
    TITLE: CHIEF EXECUTIVE OFFICER
    DATE: 4/26/06

10. ARIZONA HEALTH CARE COST CONTAINMENT SYSTEM
    SIGNATURE: /s/MICHAEL VIET
    TYPED NAME: MICHAEL VEIT
    TITLE: CONTRACTS AND PURCHASING ADMINISTRATOR
    DATE: APR 20 2006

<page>

ARIZONA HEALTH CARE COST CONTAINMENT SYSTEM
REVISED ACUTE CAPITATION RATES
Phoenix Health Plan/Community Connection
(10/1/05-12/31/05)

TITLE XIX RATES:
8  Gila/Pinal
12 Maricopa

TANF <1, M/F
$487.72
$429.73

TANF 1-13, M/F
$108.31
$102.56

TANF
14-44, F
$199.41
$183.67

TANF
14-44, M
$131.24
$125.29

TANF
45+, M/F
$378.48
$378.23

SSI w/Med
$283.06
$272.44

SSI w/o Med
$611.35
$564.56

Non-MED
$448.03
$430.86

MED
$962.02
$841.02

Two percent Premium tax is included in the Capitation Rates.
Payments stated without Premium Tax.

PHP/Community connection		Payment
1  BENSON HOSPITAL			  $0.00
2  CARONDELET HOLY CROSS HOSPITAL	  $0.00
3  COBRE VALLEY COMMUNITY HOSPITAL	  $347,784.65
4  COOPER QUEEN COMMUNITY HOSPITAL	  $0.00
5  LA PAZ REGIONAL MEDICAL CENTER	  $0.00
6  MT. GRAHAM COMMUNITY HOSPITAL	  $0.00
7  NAVAPACHE REGIONAL MEDICAL CENTER	  $1,616.49
8  NORTHERN COCHISE COMMUNITY HOSPITAL	  $0.00
9  PAGE HOSPITAL			  $0.00
10 PAYSON HOSPITAL CORPORATION		  $448,275.56
11 SIERRA VISTA COMMUNITY HOSPITAL	  $455.18
12 SOUTHEAST ARIZONA MEDICAL CENTER	  $0.00
13 VERDE VALLEY MEDICAL CENTER (MJL)	  $0.00
14 WHITE MOUNTAIN REGIONAL MEDICAL CENTER $0.00
15 WICKENBURG REGIONAL HOSPITAL		  $0.00
16 WINSLOW MEMORIAL HOSPITAL		  $4,986.27

   Total				  $803,118.14

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