bio final - 1 Which of these vessels have the weakest walls veins 2 The venae cavae carry blood to the right atrium 3 The coronary arteries carry blood

bio final - 1 Which of these vessels have the weakest walls...

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1. Which of these vessels have the weakest walls? 2. The venae cavae - carry blood to the right atrium 3. The coronary arteries carry blood - from the aorta to the heart tissues 4. At the capillary, fluid is forced out of the vessel by the - blood pressure 5. Gas exchange occurs in - all capillaries 6. For a blood pressure reading of 130/190, 130 is the -systolic pressure 7. select the incorrect statement about red blood cells. - respond during inflammation 8. Select the incorrect statement about white blood cells. - activate prothrombin 9. For the coagulation of blood, fibrinogen is converted to - fibrin 10. blood flow is slow in capillaries because - both a and b are correct 11. Lymph nodes house - lymphocytes and macrophages 12. Lymph is _____ in lymphatic system empty into - tissue fluid 13. The two collecting ducts of the lymphatic system empty into - cardiovascular veins 14. The structure of a lymphatic vessel is most similar to that of a - cardiovascular vein 15. Steroid hormones - both b and c are correct 16. Which gland produces the greatest number of hormones? 17. The hypothalamus controls the anterior pituitary via -releasing hormones 18. ADH and oxytocin are secreted by the - posterior pituitary 19. Which hormone is involved with milk production - prolactin 20.testosterone is necessary for - all of these are correct 21. the urethra is part of the reproductive tract in the - male 22. The endometrium - breaks down during menstruation 23. The uterus - all of these are correct 24. Which structure is present after ovulation? 25. ovulation occurs - due to hormonal changes 26. which of these secretes hormones involved in the ovarian cycle? 27. follicle-stimulating hormone stimulates the - development of a follicle 28. Secretions from which of the following structures are required before implantation can occur? - all theses are correct 29. The sodium-potassium pump maintains the resting potential -True 30. What is involved in a nerve impulse? 31. the downswing of the nerve impulse is caused by the movement of - potassium ions to the outside of a neuron 32. Rapid conduction of a nerve impulse in vertebrates is due to - gaps in the myelin sheath 33. Acetylcholine - all of these are correct
34. all hormones are believed to - affect cellular metabolism 35. The adrenal glands are -on the kidney

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