aniketbaghla

Toxicology 

Answer the following questions:

1. One important thing to know about the collected sample, timing of
collection, or the person. 

2. Another important thing to know about the collected sample, timing of
collection, or the person. 

What is goitre?

1. Two Train cars of identical mass (m = 10.0 kg) collide

and move off as shown. The left car was initially traveling at 2.0 m/s right and the right car was initially traveling at a velocity of 3.0 m/s left. After the collision, the left car is traveling at a velocity of 2.5 m/s to the left.

a. What type of a collision is depicted here?

000000

b. What was the initial momentum of the right car?

c. What was the initial momentum of the left car?

d. What was the final momentum of the left car?

e. What was the final momentum of the right car?

Which of the following is the order of vessels and tubules inwhich a filtered solute must follow to be reabsorbed.

1) glomerulus, Bowman's capsule, efferent arteriole, nephrontubule, peritubular capillary

2) Bowman's capsule, glomerulus, nephron tubule, peritubularcapillary

3) Bowman's capsule, glomerulus, efferent arteriole, nephrontubule, peritubular capillary

4) glomerulus, Bowman's capsule, nephron tubule, peritubularcapillary

Both water and sodium are

Select one:

1. Filtered at the glomerulus

2. Actively reabsorbed by the tubule

3. Secreted by the tubule

1.

When a vaccine is injected into a patient, which event happensfirst?

Select one:

1. Antigen presenting cells present the antigen to T cells

2. Plasma cells secrete antibody due to the immune response fromthe vaccine

3. T cells differentiate into effector, helper and memorycells

4. B cells proliferate and differentiate

5. A and D occur simultaneously

2.

Which states have the highest rates of vaccine-preventablediseases?

Select one:

1. Those with the poorest populations

2. States with the oldest average populations

3. States that allow school enrollment without vaccination

4. States where children receive less medical care per year

5. All of the above are true

Describe how a steroid hormone such as testosterone or estrogen, identifies and functions with its target cell:

Please help I have no clue whats going on!? Thank you!