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Physiology 2420

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Question
Answer
What type of cells secrete mucus in the respiratory tract?   Goblet Cells  
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The difference between what two pressures drives air into and out of lungs?   Atmospheric and intra-alveolar  
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The surface tension of the alveolus is reduced by surfactants produced by what type of cells?   Type II alveolar  
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What is the volume of air moved into and out of the lungs in a single breath during unforced breathing called?   Tidal volume  
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A decrease in ____________ is indicative of an obstructive pulmonary disease.   forced expiratory volume  
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What is the term for the volume of air that reaches the respiratory zone each minute?   alveolar ventilation  
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After fluid passes through the entire proximal tubule, the fluid will enter the ___________.   loop of Henle  
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What is the process whereby molecules are selectively transported from the peritubular fluid to the lumen of the renal tubules?   secretion  
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What is the brush border?   microvilli on the apical membrane of the proximal tubule  
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The clearance of what substance provides the best estimate of glomerular filtration rate?   Inulin  
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During tubuloglomerular feedback of glomerular filtration rate, paracrines secretes from what structure cause constriction of the afferent arteriole?   macula densa  
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The absence of __________ in the fetus will further the development of the __________ into the female reproductive tract.   Mullerian-inhibiting substance; Mullerian ducts  
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Enzymes that facilitate entry of sperm into the ova are contained within the ________ of the spermatozoa.   acrosome  
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The follicular phase of the ovarian cycle corresponds with what phase(s) of the uterine cycle?   both menstrual and proliferative phases  
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In the absense of implantation of a fertilized embryo, the menstrual phase of the uterine cycle is initiated by the degeneration of the ___________.   corpus luteum  
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The secretion of estrogen and progesterone by the corpus luteum is maintained during pregnancy by ________ until the corpus luteum degenerates and the ________ takes over secretion of these hormones.   human chorionic gonadotropin (hCG) : placenta  
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Which part of the blastocyst develops into the fetus?   inner cell mass  
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The hormonal trigger for menstration involves a ______.   loss of progesterone secretion from the corpus luteum  
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