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# Physiology Quiz **Question 1** **Options:** A. mother and fetal blood do not mix B. fetal blood reaches the mother and the fetus may mix within the placenta under physiological conditions C. fetal blood reaches the placenta via the umbilical vein D. oxygenated blood reaches the fetus through th...

# Physiology Quiz **Question 1** **Options:** A. mother and fetal blood do not mix B. fetal blood reaches the mother and the fetus may mix within the placenta under physiological conditions C. fetal blood reaches the placenta via the umbilical vein D. oxygenated blood reaches the fetus through the umbilical artery E. all of the above answers are incorrect **Correct Answer:** A. mother and fetal blood do not mix **Question 2** **Options:** A. is a branch of the aortic arch B. is approximately 8 centimeters long C. runs in the company of the inferior cardiac vein D. gives off the posterior interventricular branch E. gives off the circumflex branch **Correct Answer:** (Some of the options are incomplete, I cannot determine which one is correct) **Question 3** **Options:** A. pectoralis minor muscle B. external intercostal muscles C. transverse thoracic muscle D. internal abdominal oblique muscle E. diaphragm **Correct Answer:** (Missing the question, thus cannot determine the correct answer) **Question 4** **Options:** a) it is bounded laterally by the mediastinal parietal pleura b) contains the aortic arch with branches c) contains the phrenic nerves d) it is limited superiorly by the plane of the superior thoracic aperture e) there is no correct answer **Correct Answer:** (Missing The Question, thus cannot determine the correct answer) **Question 5** **Question:** Which vessels enter the right atrium of the heart? List them below. **Answer:** (Unclear image, answer is likely pulmonary arteries, but is not discernible in this image) **Question 6** **Question:** Where is the area of auscultation of the pulmonary valve? **Answer:** 2nd left intercostal space close to the sternum **Question 7** **Options:** A. Pulmonary arteries supply the nourishing blood to the lungs B. There are 10 bronchopulmonary segments in the right lung C. The lungs are directly covered by the parietal pleura D. The lungs lie in the pleural cavity E. The lungs are sensory innervated by the phrenic nerve **Correct Answer:** C. The lungs are directly covered by the parietal pleura