Exam2-KEY-214L-F11 - ANIMAL SCIENCE 214L Fall 2011 Exam # 2...

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ANIMAL SCIENCE 214L Fall 2011 Name KEY Exam # 2 Dec. 5, 2011 Lab Section Instructions: This exam consists of five parts with several types of questions. Write your answers on this exam paper, in the blanks provided. This exam is worth a total of 120 points. Part I – Identification and Function (86 points) For each pinned and numbered structure on the specimens or diagrams, identify the structure and give one function for that structure. Be as precise as possible. CARDIOVASCULAR SYSTEM Structure Function 1. aorta carries blood from the left ventricle to the body 2. coronary artery supplies nutrients and O 2 to the heart muscle receives blood from the vena cava 3. right atrium and pumps it to the right ventricle carries (low oxygen) blood from the right ventricle 4. pulmonary artery to the lungs prevents blood from flowing back into the left atrium from 5. left atrioventricular valve the left ventricle 6. vena cava carries blood from the body to the right atrium 7. left ventricle pumps blood to the aorta from the left atrium MAMMALIAN MALE REPRODUCTIVE SYSTEM Structure Function countercurrent heat exchanger that cools arterial blood 8. pampiniform plexus going to the testes and warms returning venous blood 9. body of the epididymus maturation of sperm 10. penis retractor muscle pulls the penis back into the sheath after ejaculation 11. urinary bladder stores urine 12. prostate gland secretes accessory fluid 13. ampulla contracts to speed up ejaculation
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AnS 214L, Fall 2011, Exam # 2 Page 2 of 6 MAMMALIAN FEMALE REPRODUCTIVE SYSTEM Structure Function 14. infundibulum catches the egg during (or after) ovulation prevents microorganisms from entering the uterus; stores 15. cervix sperm (sperm reservoir); provides lubrication maternal part of the placentome; 16. caruncle transfers nutrients and O 2 from the mother to the cotyledon 17. isthmus carries the fertilized egg from the ampulla to the uterus 18. uterine horn establishes pregnancy; nutrient exchange 19. ovary forms the ova; synthesizes estrogen and progesterone connection between the mother and the fetus
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This note was uploaded on 02/14/2012 for the course ANS 214L taught by Professor Huiatt during the Fall '11 term at Iowa State.

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Exam2-KEY-214L-F11 - ANIMAL SCIENCE 214L Fall 2011 Exam # 2...

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