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Circulatory system MCQ with Answers PDF

Circulatory system Multiple Choice Questions (MCQ), Circulatory system quiz answers PDF with o level biology career tests for online courses. Practice transport in mammals Multiple Choice Questions and Answers (MCQs), Circulatory system quiz questions for SAT practice test. Circulatory system Interview Questions PDF: production of antibodies, organ transplantion and rejection, free online biology, blood and plasma test prep for two year degree programs.

"Pulmonary veins carry" MCQ PDF on circulatory system with choices red oxygenated blood, bluish red deoxygenated blood, deoxygenated blood from heart to the lungs, and oxygenated blood from lungs to heart for SAT practice test. Practice circulatory system quiz questions for merit scholarship test and certificate programs for online colleges for teaching.

MCQs on Circulatory system Quiz

MCQ: Pulmonary veins carry

red oxygenated blood
bluish red deoxygenated blood
deoxygenated blood from heart to the lungs
oxygenated blood from lungs to heart

MCQ: When an artery dilates the

lumen becomes constricted
lumen gets wider
person may appear pale
elastic muscles become ineffective

MCQ: In mammals, Endothelium is

elastic in nature
fully permeable
selectively permeable

MCQ: When the heart relaxes,

person respires
peristalsis movements occur
bile is produced
the heart gets filled with blood

MCQ: Veins do not require thick walls

as they do not have to work harder
they are required only occasionally
the blood pressure declines while it gets to veins
the blood pressures is immense