Which form of contraception prevents implantation of the blastocyst? 

A. Rhythm
B. Mechanical barriers
C. Oral contraceptives
D. IUD
E. Chemical barriers

D. IUD
An intrauterine device, or IUD, prevents the blastocyst from implanting in the uterus.

Health Professions

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Increased resistance to blood flow through the pulmonary vasculature often leads to which of the following?

A) Right-sided heart failure B) Pulmonary embolism C) Spontaneous pneumothorax D) Atelectasis

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Which term means the process of carefully looking for evidence in the debris following a fire?

a. debris examination b. evidence collection c. digging out d. cold sifting

Health Professions