OK, ready for the questions ?? There are quite a few.
1. In what color tube is an ESR collected in ?
2. In """" """" a cardiac enzymes drawn in ?
3. Cold Agglutination must be maintained at what what
temperature?
4. Which of the following components is needed in order to
make what is known as the chain of infection?
5. A pt. who has diarrhea and bacterial gastroenteritis
is placed on:
A. Enteric isolation
B. Reverse ""
C. Strict """""
D. Blood and body fluid precautions
6. The most frequently occuring lab nosocomial inf. is :
A. HIV
B. HBV
C. HCV
D. HAV
7. Which of the following are causative agents ?
A. Only bacterias
B. Airborn vectors
C. Bacteria, viruses, protozoa, fungi
D. Direct, indirect vectors
Thank you for any and all help, it is VERY VERY appreciated.
Thank you,
Vyki
VCorb0328@aol.com
Phlebotomy test help !!?
Hey, Vyki,
I guess you had better get out the old TEXTBOOK and study to find those answers. Why should we take your test for you?
send flowers
Monday, May 24, 2010
Give an example of a vector b for which the system NX=b has no solution?
and an example of a vector C for which the system Nx=c does have a solution.
N=
-1 2 0.5 4
0 0 5 10
0 0 0 0
Give an example of a vector b for which the system NX=b has no solution?
Given:
N=
-1░:2░½░::4▐ b1
:0░:0░:5░10▐ b2
:0░:0░:0░::0▐ b3
Find an ex of a vector B so NX=B have no solution:
Let b= (0,0, 1) will newer could satisfy the equation because now matter what vector
X = (x1,x2,x3,x4) we choose b3 will newer be 1
Find an ex of a vector C so NX=C has a solution:
Let C=( 0,0,0) and NX=C has the solution X=( 0,0,0,0)
N=
-1 2 0.5 4
0 0 5 10
0 0 0 0
Give an example of a vector b for which the system NX=b has no solution?
Given:
N=
-1░:2░½░::4▐ b1
:0░:0░:5░10▐ b2
:0░:0░:0░::0▐ b3
Find an ex of a vector B so NX=B have no solution:
Let b= (0,0, 1) will newer could satisfy the equation because now matter what vector
X = (x1,x2,x3,x4) we choose b3 will newer be 1
Find an ex of a vector C so NX=C has a solution:
Let C=( 0,0,0) and NX=C has the solution X=( 0,0,0,0)
Physics Question?
Three vectors are given: Vector A forms a 28 degree angle and its magnitude is 66. Vector B forms a 56 degree angle and its magnitude is 40. Vector C goes straight down on the y-axis and its magnitude is 46.8 Determine the sum of the three vectors. Give the resultant in terms of components, magnitude, and angle with x axis. Please show/explain work clearly.
Physics Question?
I won't do it in detail, if it is the college level physics, it is not good to show all the work
let's do the vector a first
magnitude of a = sqrt (a(i)^2+a(j)^2)
hope u know the unit vector i and j which in turn is components of the main vector.
usually a(i) = a*cos(theta)
a(j) = a*sin(theta)
do it for all three vectors.
lazy algebra!
Physics Question?
I won't do it in detail, if it is the college level physics, it is not good to show all the work
let's do the vector a first
magnitude of a = sqrt (a(i)^2+a(j)^2)
hope u know the unit vector i and j which in turn is components of the main vector.
usually a(i) = a*cos(theta)
a(j) = a*sin(theta)
do it for all three vectors.
lazy algebra!
Please help me with math problem?
A vector A has a magnitude of 54.0 m and points in a direction 20.0° below the x axis. A second vector, B, has a magnitude of 70.0 m and points in a direction 52.0° above the x axis.
(a) Sketch the vectors A, B, and C = A + B. (Do this on paper. You do not need to turn this in,but use it as a control of your calculations.)
to find thee x and y component of vector C
as well find thee magintude and direction
Please help me with math problem?
"A" has a negative vertical (y-axis) component of:
sin(20) = -y/54
54 * sin(20) = -y
-18.46908774 = y
and a positive horizontal (x-axis) component of:
cos(20) = x/54
54 * cos(20) = x
50.74340152 = x
"B" has a positive vertical component of:
sin(52) = y/70
70 * sin(52) = y
55.16075275 = y
and a positive horizontal component of:
cos(52) = x/70
70 * cos(52) = x
43.096303 = x
Therefore, the combined vector, "C", has
components of:
x = 50.74340152 + 43.096303
x = 93.839705
y = -18.46908774 + 55.160752752
y = 36.6916650
Magnitude is the hypotenuse of the right triangle
formed by these horizontal and vertical vectors:
x^2 + y^2 = magnitude^2
(93.839705)^2 + (36.6916650)^2 = magnitude^2
8805.890196 + 1346.278281 = magnitude^2
10152.1685 = magnitude^2
100.758 = magnitude
tan(direction) = 36.6916650/93.839705
direction = atan(.391004)
direction = 21.35568 degrees
(a) Sketch the vectors A, B, and C = A + B. (Do this on paper. You do not need to turn this in,but use it as a control of your calculations.)
to find thee x and y component of vector C
as well find thee magintude and direction
Please help me with math problem?
"A" has a negative vertical (y-axis) component of:
sin(20) = -y/54
54 * sin(20) = -y
-18.46908774 = y
and a positive horizontal (x-axis) component of:
cos(20) = x/54
54 * cos(20) = x
50.74340152 = x
"B" has a positive vertical component of:
sin(52) = y/70
70 * sin(52) = y
55.16075275 = y
and a positive horizontal component of:
cos(52) = x/70
70 * cos(52) = x
43.096303 = x
Therefore, the combined vector, "C", has
components of:
x = 50.74340152 + 43.096303
x = 93.839705
y = -18.46908774 + 55.160752752
y = 36.6916650
Magnitude is the hypotenuse of the right triangle
formed by these horizontal and vertical vectors:
x^2 + y^2 = magnitude^2
(93.839705)^2 + (36.6916650)^2 = magnitude^2
8805.890196 + 1346.278281 = magnitude^2
10152.1685 = magnitude^2
100.758 = magnitude
tan(direction) = 36.6916650/93.839705
direction = atan(.391004)
direction = 21.35568 degrees
Please help me for these multiple questions, I have an final tomorrow,thank you?
1. According to Gauss’ Law
a)electric flux depends on the shape of the surface enclosing the electric charge.
b)electric flux through any closed surface is proportional to the charge enclosed.
c)electric flux depends on the magnetic field.
d)there are magnetic monopoles.
3. Which one of the following is true for a plane electromagnetic wave traveling along the z direction?
a)E, B, z form a right handed system of vectors.
b)E, B, z form a left handed system of vectors.
c)E and B are parallel.
d)B and z are parallel.
4. A covalent bond like the bonds between C atoms in diamond is formed by
a)the Coulomb attraction between a positive and a negative ion.
b)the dipole-dipole interaction between neutral atoms.
c)attraction between exposed protons in hydrogen atoms.
d)a pair of electrons shared between two atoms.
Please help me for these multiple questions, I have an final tomorrow,thank you?
1) a Gauss' Law intergal [ E dot dA ] = 4*pi * q(enc) B is also correct but a is "more" correct.
3) a dell cross E = B so E and B will be perpendicular and obey the right hand rule. c is wrong because E and B are never parallel d is wrong becuase that is the direction of the wave ( or k vector )and the electric and magnetic field are perpendicular to that (k vector)
4) I am unsure but I would guess a
quince
a)electric flux depends on the shape of the surface enclosing the electric charge.
b)electric flux through any closed surface is proportional to the charge enclosed.
c)electric flux depends on the magnetic field.
d)there are magnetic monopoles.
3. Which one of the following is true for a plane electromagnetic wave traveling along the z direction?
a)E, B, z form a right handed system of vectors.
b)E, B, z form a left handed system of vectors.
c)E and B are parallel.
d)B and z are parallel.
4. A covalent bond like the bonds between C atoms in diamond is formed by
a)the Coulomb attraction between a positive and a negative ion.
b)the dipole-dipole interaction between neutral atoms.
c)attraction between exposed protons in hydrogen atoms.
d)a pair of electrons shared between two atoms.
Please help me for these multiple questions, I have an final tomorrow,thank you?
1) a Gauss' Law intergal [ E dot dA ] = 4*pi * q(enc) B is also correct but a is "more" correct.
3) a dell cross E = B so E and B will be perpendicular and obey the right hand rule. c is wrong because E and B are never parallel d is wrong becuase that is the direction of the wave ( or k vector )and the electric and magnetic field are perpendicular to that (k vector)
4) I am unsure but I would guess a
quince
How do you find vector sums?
if given vector a is X, and vector b is Y, how do you find vector c?
How do you find vector sums?
Normally a vector a is expressed as 3 components:
a1i + a2j + a3k,
where i, j, and k are mutually perpendicular unit vectors.
Similarly, b can be expressed:
b1i + b2j + b3k.
The sum is:
(a1 + b1)i + (a2 + b2)j + (a3 + b3)k.
Reply:you have to add together the x and y coordiates.
a = (a1, a2)
b = (b1, b2)
c = (a1 + b1, a2 + b2)
a1 is the x-coordinate of X, and a2 is it's y coordinate. you can find these using trigonometry, but you need to know the angle of the vector.
How do you find vector sums?
Normally a vector a is expressed as 3 components:
a1i + a2j + a3k,
where i, j, and k are mutually perpendicular unit vectors.
Similarly, b can be expressed:
b1i + b2j + b3k.
The sum is:
(a1 + b1)i + (a2 + b2)j + (a3 + b3)k.
Reply:you have to add together the x and y coordiates.
a = (a1, a2)
b = (b1, b2)
c = (a1 + b1, a2 + b2)
a1 is the x-coordinate of X, and a2 is it's y coordinate. you can find these using trigonometry, but you need to know the angle of the vector.
Friday, May 21, 2010
Please help me with this math problem?
A vector A has a magnitude of 54.0 m and points in a direction 20.0° below the x axis. A second vector, B, has a magnitude of 70.0 m and points in a direction 52.0° above the x axis.
(a) Sketch the vectors A, B, and C = A + B. (Do this on paper. You do not need to turn this in,but use it as a control of your calculations.)
to find thee x and y component of vector C
as well find thee magintude and direction
Please help me with this math problem?
x comp = 54cos(-20) + 70cos(52) = 93.84m
y comp = 54sin(-20) + 70sin(52) = 36.69m
magnitude = sqrt[ 93.84^2 + 36.69^2 ] =100.76m
tan(x) = 36.69/93.84
x = 21.35 degrees above the x-axis
Reply:0
x comp = 54cos(-20) + 70cos(52) = 93.84m
y comp = 54sin(-20) + 70sin(52) = 36.69m
magnitude = sqrt[ 93.84^2 + 36.69^2 ] =100.76m
tan(x) = 36.69/93.84
x = 21.35 degrees above the x-axis
(a) Sketch the vectors A, B, and C = A + B. (Do this on paper. You do not need to turn this in,but use it as a control of your calculations.)
to find thee x and y component of vector C
as well find thee magintude and direction
Please help me with this math problem?
x comp = 54cos(-20) + 70cos(52) = 93.84m
y comp = 54sin(-20) + 70sin(52) = 36.69m
magnitude = sqrt[ 93.84^2 + 36.69^2 ] =100.76m
tan(x) = 36.69/93.84
x = 21.35 degrees above the x-axis
Reply:0
x comp = 54cos(-20) + 70cos(52) = 93.84m
y comp = 54sin(-20) + 70sin(52) = 36.69m
magnitude = sqrt[ 93.84^2 + 36.69^2 ] =100.76m
tan(x) = 36.69/93.84
x = 21.35 degrees above the x-axis
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