Older red blood cells may be removed and destroyed in the spleen.

Directions: Complete each sentence with the words in parentheses. Use the present perfect, the present perfect continuous, or the simple past of the verb. Use contractions when possible.   _____________ (I / read) that book three times.   _____________ (you / watch) TV all day long, or did you just put it on? My ____________ (sister / finish) her driving lessons. Now she’s ready to take her driving test. ___________ (I / shop) for furniture all week, but I still need a few things.  ____________(she / start) the new job yesterday.  __________ (she / have) several interviews with a lab researching global warming.

Directions: Fill in the simple past tense and past participle of each verb. Present Simple Past Past Participle write do give think hear

_________ contributes to the adaptive immune response through the production of antibodies.

In a healthy individual, which type of leukocyte accounts for the largest percentage in a sample of blood?

A vasodilator applied to arterioles supplying a capillary bed would cause _______ in local blood flow to that tissue.

The ______________ are the last part of the electrical conducting system of the heart which stimulates the ventricular myocardium.

Bicarbonate rich pancreatic juices are needed to neutralize the acidic chyme from the stomach before intestinal digestion can begin.

The most numerous plasma proteins that have the greatest effect on osmotic pressure are

Your 3 year old child has playing around in the kitchen and accidently got into the cleaning supplies.  You notice several open bottles and suspect he has consumed some of the poisonous liquid.  You happen to have activated charcoal in your house so you prepare a dose.  You are to give 2 grams of charcoal per kilogram of body weight.  Your child weights 30 lbs, how much activated charcoal (rounded to the nearest whole number) should you give him. (Weight conversion 1 lb = 0.45 kg or 2.2 lb = 1kg)