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Exam (elaborations)

Biol 260 Final Questions And Verified Answers

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BIOL 260 FINAL QUESTIONS AND VERIFIED ANSWERS

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Which of the following referring to the uterine cycle are true? (Select all that apply)


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Days 1-5: menstrual phase
-Days 6-14: proliferative (preovulatory) phase
-Progesterone levels prompt the formation of the cervical mucus plug.
-a decrease in the days 15-28: secretory (postovulatory) phase (constant 14-
day length) levels of ovarian hormones signal menstruation




Which of the following hormones are involved in short term mechanism control of the
blood pressure. (Select all that apply)


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Vasopressin
Angiotensinogen
Anti-Diuretic Hormone

, Angiotensin II
ANP




The absorptive effectiveness of the small intestine is enhanced by increasing the
surface area of the mucosal lining. Which of the following accomplish this task?


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plicae circulares, villi, and microvilli




The receptor membranes of gustatory cells are ________.


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gustatory hairs




If one says that the clearance value of glucose is zero, what does this mean?


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Normally all the glucose is reabsorbed.




CH#20
What are the sources of resistance to blood flow?


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, Vessel length, diameter and blood viscosity




Numerous nerve impulses arriving at a synapse at closely timed intervals exert a
cumulative effect.


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Temporal summation




Normally menstruation occurs when ________.


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blood levels of estrogen and progesterone decrease




The chief force pushing water and solutes out of the blood across the filtration
membrane is ________.


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glomerular hydrostatic pressure (glomerular blood pressure)




Select the correct statement about male sexual response.


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, Erection is the result of vascular spaces in the erectile tissues filling with
blood.




Chromosomal centromeres split and chromosomes migrate to opposite ends of the
cell.


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Anaphase




Which of the following best give you the equation for stroke volume?


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SV = EDV - ESV




Where is the pressure the greatest in systemic BP?


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Aorta




Antibodies that act against a particular foreign substance are released by ________.


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