Chapter 17+19

increased flow

Match the following factor with their correct effect on blood flow. Assume that no other change occurs at this time decreased blood viscosity: a. increased flow b. no answer text provided c. has no effect on flow d. decreased flow

27

Use the following values to answer the question: The net inward pressure is: ___ mmHg Blood hydrostatic pressure (BHP)= 20 mm Hg Blood colloid osmotic pressure (BCOP) = 27 mm Hg Interstitial hydrostatic pressure (IHP)= 0 mm Hg Interstitial colloid osmotic pressure (ICOP)= 1 mm Hg a. 1 b. 21 c. 0 d. 0 e. 27

pulls fluid into the capillary

blood colloid osmotic pressure: a. pulls fluid into the tissue b. pulls fluid into the capillary c. pushes proteins into the interstitial fluid d. pushes fluid out of the capillary e. promotes filteration

veins, arteries

blood volume is greatest in ____, while blood pressure is highest in ___ a. capillaries, veins b. venules, veins c. capillaries, atria d. veins, venules e. veins, arteries

true

capillary blood pressure is normally lower than the pressure in any other blood vessel a. true b. false

bone marrow

following the binding of iron to transferrin, iron is then transported where a. kidney b. heart c. lungs d. bone

false

for a blood clot to form, only the intrinsic pathway can activate the common pathway a. true b. false

true

globulins are 1 component of the blood plasma a. true b. false

true

hemostasis is the process of blood clot formation a. true b. false

baroreceptors; aortic arch and carotid sinus

if blood pressure is too high ___ in the ___ will detect a change a. brain receptors; aortic arch and carotid sinus b. baroreceptors; aortic arch and carotid sinus c. sinoatrial (SA) receptors; atria d. sinoatrial (SA) receptors; veins

all of the answer choices are correct

if blood pressure is too low, which hormones would help correct the problem a. antidiuretic hormone b. all of the answer choices are correct c. epinephrine d. angiotension II e. aldosterone

decreased flow

increased atrial natriuretic peptide: a. has no effect on flow b. increased flow c. decreased flow

decreased flow

increased erythropoietin (EPO) a. increased flow b. has no effect on flow c. decreased flow

has no effect on flow

increased phagocytic activity of leukocytes: a. no answer text provided b. increased flow c. has no effect on flow d. decreased

has no effect on flow

increasing blood pressure and increasing resistance in equal proportions a. has no effect on flow b. decreased flow c. increase flow

increased flow

match the following factor with their correct effect on blood flow. assume that no other change occurs at this time increased blood volume: a. no matter text provided b. increased flow c. decreased flow d. has no effect on flow

increases flow

match the following factor with their correct effect on blood flow. assume that no other change occurs at this time vasodilation of the arteries: a. increases flow b. no answer text provided c. decreases flow d. has no effect on flow

tunica media

smooth muscle responsible for the vasoconstriction and vasodilation of blood vessels is found in the: a. tunica externa b. tunica adventitia c. tunica intima d. tunica media

blood pressure

the force per unit area that is exerted on the internal wall of a blood vessel is called: a. laminar flow b. perfusion c. tubulence d. viscosity e. blood pressure

true

the medulla oblongata contains a vasomotor center to help regulate blood pressure a. true b. false

basophils

the statement provided accurately describes what leukocyte: contains histamine and heparin; has a supporting role at infection sites; contributes to allergies a. basophils b. neutrophils c. lymphocytes d. monocytes

false

the term viscosity refers to the unrestricted movement of blood a. true b. false

0

use the following values to answer the question: what is the value of the hydrostatic pressure pushing fluid back into the capillary? Blood hydrostatic pressure (BHP)= 20 mm Hg Blood colloid osmotic pressure (BCOP)= 27 mm Hg Interstitial hydrostatic pressure (IHP)= 0 mm Hg Interstitial colloid osmotic pressure (ICOP)= 1 mm Hg a. 48 b. 0 c. 1 d. 27 e. 21

21

use the following values to answer the questions: the net outward pressure is: ____ mmHg Blood hydrostatic pressure (BHp)= 20 mm Hg Blood colloid osmotic pressure (BCOP)= 27 mm Hg Interstitial hydrostatic pressure (IHP)= 0 mm Hg Interstitial colloid osmotic pressure (ICOP)= 1 mm Hg

baroreceptor reflex

what corrects for or responds to a decrease in BP when you stand up too fast or whenever gravity causes a transient drop in pressure

a lymphocytes is a type of granulocyte

what is not true regarding leukocytes a. leukocytes move in response to chemical signals b. leukocytes are nucleated c. a monocyte is a type of agranulocyte d. a lymphocytes is a type of granulocyte

the clot is dissolved slowly allowing the platelets to pull the side of the wound together

what statement accurately describes what happens directly after the coagulation phase a. the arrival of platelets occur and adhere to sticky endothelium b. smooth muscle immediately constricts to decrease blood flow at the site of infection c. the clot is dissolved slowly allowing the platelets to pull the side of the wound together d. platelet plug is reinforced with fibrin

more turbulent flow

what would you expect in a person with heart disease and atherosclerotic plaques: a. lower pressure b. less viscous blood c. more organ perfusion d. more turbulent flow e. more laminar

red bone marrow

where does the process of erythropoiesis take place a. red bone marrow b. liver c. yellow bone marrow d. kidney

Muscular (distributing) artery

where would you expect to see the thickest layer of vascular smooth muscle a. venules b. vaso vasorum c. capillary bed d. large vein e. Muscular (distributing) arteries

it is a local response to the stretching a blood vessel

which of the following is true regarding myogenic controls of blood vessels a. it is initiated by the medulla oblongata b. it is initiated by chemoreceptors in the aortic arch c. it is initiated by a cascade of hormones d. it is a delayed response to rising blood pressure in vessels e. it is a local response to the stretching a blood vessel

all the answer choices are correct

which of the following provides the best description of the tunica intima a. inner most layer b. surface that contacts the blood c. creates continuous layer throughout the cardiovascular system d. contains endothelium e. all the answer choices are correct

erythrocytes are flexible cells that can bend and enter small capillaries

which of the following statements about mature, circulating erythrocytes is true a. erythrocytes play a large roll in controlling the clotting process b. erythrocytes are synthesized in the red bone marrow and last for 4 days c. erythrocytes are flexible cells that can bend and enter small capillaries d. erythrocytes are highly mitotic

vascular injury

which of the following would decrease local blood pressure a. medullary reflex b. baroreceptor reflex c. vascular injury d. a build up of metabolic waste products (CO2, H+, lactic acid) e. angiogenesis

hypoxia results in an increase of the hematocrit

which statement best demonstrates the effect of hypoxia (lack of oxygen) on hematocrit a. hypoxia causes a rapid growth of leukocytes. which slightly increases hematocrit b. hypoxia has no effect on hematocrit c. hypoxia results in an increase of the hematocrit d. hypoxia results in a decrease of the hematocrit

decrease

you have been training in Denver, CO for months before a 15k race in Los Angeles. during the competition your erythrocytes can adequately supply oxygen to your tissues throughout the entire race. compared to your training in CO, EPO secretion would: a. decrease b. stay the same c. increase