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The distribution of blood in capillary pathways is largely controlled by the action of precapillary sphincters.

This is a Multiple Response Item. Additional steps taken when preparing medication supplied in an ampule include:   Select the two responses that apply. Type the letters to your answer in alphabetical order, using no spaces, commas, or periods.  A.  Use of a filter straw or needle to withdraw medication from the ampule B.  Removing the filter needle and replacing it with an appropriate needle for administration.   C.  Wear sterile gloves to prevent contamination.   D.  Add an amount of air equal to the amount of medication withdrawn.  

Newborns can acquire __________ immunity through breast milk.

The skeleton of the heart consists of

Which of the following are major functions of the liver?

Histamine increases capillary membrane permeability, which can result in an edematous and painful condition.

Blood flow through a capillary is controlled by a precapillary sphincter, which opens or closes due to the requirements of the cells supplied by the capillary.

______ are masses of partially encapsulated lymphatic nodules in the pharynx.

The esophagus passes through an opening in the diaphragm called the esophageal hiatus.

The mechanism that ensures that the volume of blood discharged from the heart is equal to the volume entering its chambers is described by __________ law of the heart.