In which of the following types of epithelial tissues would the movement of materials into or out of the body be fastest?
A) simple squamous epithelial tissue
B) stratified squamous epithelial tissue
C) simple columnar epithelial tissue
D) stratified columnar epithelial tissue
E) transitional epithelial tissue
Ans: A) simple squamous epithelial tissue
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What structure takes blood from the right ventricle to the lungs to pick up oxygen?
A. Pulmonary valve B. Pulmonary trunk C. Pulmonary veins D. Pulmonary arteries
In fetal circulation, one way in which blood bypasses the nonfunctional lungs is by way of the foramen ovale
Indicate whether the statement is true or false
Which of the following cells do NOT contain a nucleus?
A) neutrophils B) red blood cells C) eosinophils D) monocytes
Which of the following events is one of the three main stages of coagulation?
A. conversion of fibrinogen to fibrin B. platelet aggregation C. conversion of thrombin to prothrombin D. platelet plug formation E. calcium is released