04:20Pre-capillary sphincters | Circulatory system physiology | NCLEX-RN | Khan Academykhanacademymedicine138views
09:30Blood Vessels, Part 1 - Form and Function: Crash Course Anatomy & Physiology #27CrashCourse443views6rank
09:17Three types of capillaries | Circulatory system physiology | NCLEX-RN | Khan Academykhanacademymedicine147views2rank
Multiple ChoiceWhich type of capillary is characterized by a discontinuous basement membrane, allowing for the easy passage of larger molecules and cells?8viewsHas a video solution.
Multiple ChoiceWhich of the following areas of the body has the highest concentration of capillary beds?10viewsHas a video solution.
Multiple ChoiceWhich of the following best describes the microcirculatory flow of blood (microcirculation)?7viewsHas a video solution.
Multiple ChoiceWhich scenario results in constriction of arterioles & precapillary sphincters in mesenteric capillary beds?9viewsHas a video solution.
Multiple ChoiceWhich structure regulates blood flow distribution in mesenteric capillary beds & diverts blood from one area to another based on local metabolic needs?8viewsHas a video solution.
Multiple ChoiceExchange of gases and nutrients occurs by diffusion between the __________.1067views2rank
Multiple ChoiceThe only vessels that provide direct access to nearly every cell in the body are the __________.807views
Textbook QuestionLarge molecules such as peptides and proteins move into and out of the bloodstream by way of (a) continuous capillaries, (b) fenestrated capillaries, (c) thoroughfare channels, (d) venules.50views1rankHas a video solution.
Textbook QuestionThe local control of blood flow due to the action of precapillary sphincters is (a) vasomotion, (b) autoregulation, (c) selective resistance, (d) turbulen43views1rankHas a video solution.
Textbook QuestionHow is the anatomy of capillaries and capillary beds well suited to their function?79views1rankHas a video solution.
Textbook QuestionWhy do capillaries permit the diffusion of materials, whereas arteries and veins do not?49views1rankHas a video solution.
Textbook QuestionList three ways in which substances can cross the capillary wall.39viewsHas a video solution.
Textbook QuestionWhich of the following structures is the 'leakiest'?a. Continuous capillaryb. Sinusoidal capillaryc. Precapillary sphincterd. Fenestrated capillary39views1rankHas a video solution.
Multiple ChoiceWhich of the following correctly describes the flow of blood through a mesenteric capillary bed when the precapillary sphincters are constricted?9viewsHas a video solution.