The contraction phase of the cardiac cycle is called __________.?

A platelet aggregation study shows diminished response to all agonists except for a small response to arachidonic acid and full response to ristocetin. Which condition is most likely?

a. Glanzmann thrombasthenia b. Aspirin use c. VWD d. Platelet release defect

Patients over age 40 should be instructed to routinely test their stool for blood every ____ for detection of cancer of the colon

A) 5 years B) 2 years C) year D) month