questions and correct Answers.
Hondros Bio 117 Final Exam 410
questions and correct Answers.
Allows blood to flow directly from the right atrium into the left atrium to bypass pulmonary circulation -
ANSWER foramen ovale
carries blood from the umbilical vein to inferior vena cava; allows some blood to bypass the liver -
ANSWER ductus venosus
atrial contraction; systole; p wave - ANSWER atrial depolarization
max volume of air that can be exhaled following maximal inhalation - ANSWER vital capacity
allows blood in pulmonary artery to flow directly into the descending aorta to bypass the pulmonary
circulation - ANSWER ductus arteriosus
ventricular relaxtion; diastole; t wave - ANSWER ventricular repolarization
most important stimulus for the release of aldosterone - ANSWER renin
volume of air in lungs following maximal inhalation - ANSWER total lung capacity
provides oxygenated blood to brain - ANSWER circle of willis
aorta; left pulmonary veins; left atrium; left ventricle; bicuspid - ANSWER structures that carry
oxygenated blood (left heart)
pulmonary arteries; vena cava; right atrium; right ventricle; tricuspid - ANSWER structures that carry
unoxygenated blood (right heart)
,Hondros Bio 117 Final Exam 410
questions and correct Answers.
transport unoxygenated blood from the fetus to the placenta - ANSWER umbilical arteries
transports oxygenated blood from the placenta to the fetus - ANSWER umbilical vein
volume of air that remains in lung after forceful exhalation - ANSWER residual volume
ventricular contraction; systole; qrs complex - ANSWER ventricular depolarization
located between left ventricle and left aorta - ANSWER aortic semilunar valve
located between right ventricle and pulmonary artery - ANSWER pulmonic semilunar
two semilunar valves - ANSWER pulmonary and aortic
pushes blood out of the heart into the pulmonary trunk-lungs - ANSWER right ventricle
decreases thoracic and lung volume and increases pressure in the lungs - ANSWER exhalation
space between the vocal cords - ANSWER glottis/rima glottidis
vagus nerve effects - ANSWER sa node
pacemaker of the heart - ANSWER SA node
right heart pumps blood to the - ANSWER pulmonary circulation
,Hondros Bio 117 Final Exam 410
questions and correct Answers.
acetylcholine; rest; decrease temp; hyperkalemia; hypocalcemia; parasympathetic nervous system -
ANSWER factors that decrease heart rate
norepinephrine; epinephrine; stress; increase in temp; anticholinergic drugs; hypokalemia;
hypercalcemia - ANSWER factors that increase heart rate
Left AV valve - ANSWER Bicuspid
what substance is secreted in urine to decrease bloods ph - ANSWER bicarbonte HCO3
what substance is secreted in urine to increase bloods ph - ANSWER hydrogen ions
plasma protein albumin is produced by - ANSWER liver
volume of blood pumped from one ventricular of the heart with each beat - ANSWER stroke volume
volume of blood being pumped by heart, in particular by a left or right ventricle in the time of one
minute - ANSWER cardiac output
vagus nerve - ANSWER decreases heart rate
Right AV valve - ANSWER Tricuspid
septum between right and left atria - ANSWER foramen ovale
eliminated when we have acidosis - ANSWER hydrogen ions
only structure of respiratory tract that is part of digestive system - ANSWER pharynx
, Hondros Bio 117 Final Exam 410
questions and correct Answers.
protein inside red blood cells that carry oxygento cells and carbon dioxide to the lungs - ANSWER
hemoglobin
loss of negative intrapleural pressure - ANSWER collapses lung
measured during normal quiet breathing - ANSWER tidal volume
coronary arteries and veins are part of - ANSWER systemic circulation
located between right atrium and right ventricle - ANSWER right av
Lower chambers of the heart and pump blood out of the heart - ANSWER ventricles
muscles of respiration relax and allow the ribs and diaphragm to return to their original positions -
ANSWER exhalation
left heart pumps blood to the - ANSWER systemic circulation
pushes blood out of the heart into the aorta-body - ANSWER left venteicle
small hole in septum - ANSWER foramen ovale
collects nutrient rich, deoxygenated blood to the liver - ANSWER hepatic portal vein
excess sodium in the blood and is result of excess water loss - ANSWER hypernatremia