What factor causes closure of the foramen ovale?
A. increased blood pressure in the right atrium
B. increased PO2 in the arterial blood
C. increased blood pressure in the left atrium
D. increased PCO2 in the arterial blood
Answer: C
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Which of the following is an example of an output device?
A) Software B) Monitor C) Scanner D) Mouse
Why does Plasmodium falciparum infection result in the most serious hemolysis of the various forms of malaria?
a. Only reticulocytes are invaded. b. Reticulocytes and RBCs less than 10 days old are invaded. c. Only mature RBCs are invaded. d. RBCs of all ages are invaded.
Which of the following types of deafness occurs before the individual learns to speak?
A) Postlingual B) Prelingual C) Prephonia D) Postphonia
A syringe should be used when drawing blood from ____.
A. fragile veins B. normal veins C. pregnant women D. children