Test #3 : Blood Vessels
respiratory rate
Which of the following is a factor influencing blood pressure? a. cardiac output b. respiratory rate c. peripheral resistance d. blood volume
liver
Where would a sinusoidal capillary be located? a. liver b. brain c. kidney
160/100
A blood pressure reading of _________ is considered to be hypertension? a. 120/80 b. 100/80 c. 160/100 d. 110/70 e. 120/60
away from; toward
Arteries carry blood _____ the heart; veins carry blood _____ the heart.
capillary beds ; throughout the body
Blood vessels which allow for exchange of gases, and other substances are _______, and are found ______? a. capillary beds; only in the lungs b. post capillary venules; only in the lungs c. precapillary venules d. capillary bed; throughout the body e. precapillary arterioles; throughout the body
b. veins
Blood vessels which have a high capacitance and carry a reserve of blood are called? a. arterioles b. veins c. elastic arteries d. capillaries e. muscular arteries
98 mmHg
Determine the mean arterial pressure : Systolic= 114 Diastolic=98
auto regulation
Local control of blood circulation in tissue is called a. blood pressure b. pulse pressure c. resistance d. auto regulation e. pulse
decreasing due to less skeletal muscle activity
Standing for long periods, the result in venous return to the heart__________ a. Decreasing due to less skeletal muscle activity b. increasing due to respiratory movements c. decreasing due to vasoconstriction of veins cause by lack of muscle activity d. increasing due to less skeletal muscle activity e. decreasing due to relaxation of valves present in the veins
blood pressure
The force exerted by blood on the blood vessel wall, which is measured in millimeters is known as ? a. blood pressure b. pulse pressure c. resistance d. autoregulation e. pulse
b. venous return
The respiratory pump and muscular compression help to increase a. auto regulation b. venous return c. anatomoses d. arterial pressure e. vasomotion
increase cardiac output
When you sit up quickly from a recline position, blood pressure may fall suddenly, and you will feel dizzy. The barrow receptor reflects is triggered in your body, will __________ to raise blood pressure. a. decrease stroke volume b. increase blood volume c. increase vasodilation d. increase cardiac output e. activate the medullary cardioinhibitory center
a) tunica intima
Which layer consists of a thin layer of endothelium and a surrounding layer of connective tissue? a. tunica intima b. tunica media c. tunica externa
tunica media
Which layer influence his blood pressure by vasoconstriction and vasodilation? a. tunica interna b. tunica media c. tunica externa
blood is deoxygenated, but high in nutrients
Which of the following correctly describes the blood found in the hepatic portal vein? a. blood is traveling away from the liver b. blood is deoxygenated, but high in nutrients c. blood is deoxygenated and low in nutrients d. What has been filtered by the Kupffer cells in the sinusoids e. blood is oxygenated and traveling to the liver
aorta, artery, arteriole, capillary, venule, vein, vena cava
Which of the following correctly describes the usual pathway for blood leaving the left ventricle?
gonads
Which of the following regions is not drained by the hepatic portal system? a. intestines b. stomach c. spleen d. mesentry e. gonads
increased vasodilation
Which of the following would cause blood pressure to decrease? a. increased vasodilation b. increased vasoconstriction c. increase in blood volume d. increase in blood viscosity e. increase in sympathetic output
D) smooth muscle
Which of the following would you expect to find in the tunica media of an artery or a vein? a. collagen and or other onnective tissue b. endothelium c. plasma d. smooth muscle
c. aorta
Which of these is an elastic artery? a. femoral artery b. brachial artery c. aorta