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From superior to inferior, the major branches branches of the abdominal aorta are
celiac trunk, superior mesenteric artery, renal arteries, gonadal arteries, inferior mesenteric arteries and common iliac arteries
The three primary branches of the celiac trunk are the common hepatic, left gastric and splenic veins. T or F
The cardiac electrical conducting system includes all the following except
e.) C & D (fossa ovalis and tendious cords)
During the action potential of the cardiocyte the " Plateu" phase represents
calcium entering through through slow Calcium channels
If all nerves (autonomic nervous system) of the heart rate were severed, the heart would stop beating. T or F
The wall of the following blood vessel has 3 layers (tunica, tunica media & tunica intern) except
The pericytes are cells that lie external to ___ of ____ capillaries and it is thought that they can ___ and regulate blood flow
endothelium/ continuous / contract
A person with a systolic blood pressure of 120 mmHg & a diastolic pressure of 80 mmHg would have a pulse pressure of
Which of the following agents have positive chronotropic effect in the heart
E.) a & d (epinephrine, norepinephrine & thyroid hormone)
A blood vessel adapted to withstand a high pulse pressure would be expected to have
an elastic tunica media
In some cases a blood cell may pass through two capillaries beds in a single trip from L ventricle to right atrium. T or F
In the baroflex, a drop in arterial blood pressure triggers a corrective vasodilation. of the systemic blood vessels. T or F
In people who stand long periods, blood tends to pool in the lower limbsand that may result in varicose veins. Varicose veins are caused by
failure of the venous valves
Vasomotion (contraction & dilutions) is associated with the presence of
Smooth muscle in the tunica media
This byproduct of protein catabolism constitutes approximately one-half of all nitrogenous waste
The innermost connecting tissue layer protecting the kidneys and assisting in slaving off infection
Which of these correctly traces blood flow from the renal cortex to the renal vein
D.) interlobular v. > arcuate v. > interlobular v. > renal v.
Which is primarily responsible for generating the salinity gradient of the renal medulla
___ is the ability of a nephron to adjust to CFR independently of another hormonal influence
A drop in blood pressure causes the kidneys to secrete ___ within ____
renin / juxtaglomerular cells
Atrial natriurectic peptide (ANP)
A. increases salt and water excretion antagonizing aldosterone and ADH
D. a & b are correct ( is driven by the high blood hydrostatic pressure within the glomerular capillaries / it's rate is typically about 105/mL mm in women
Hypocalcemia causes muscle weakness, whereas hypercalcemia causes potentially fatal muscle tetanus. T or F
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