Physiology PN)
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)
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
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
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
stimulates the reabsorption of sodium and water; stimulates the excretion of potassium; acts primarily
on the distal tubule - ANSWER:aldosterone
forward movement of food is caused by - ANSWER:peristalsis
partially surround the trachea for its entire length and serve to keep it open - ANSWER:c-shaped rings of
cartilage
located behind the oral cavity and between the nasal cavities and the larynx - ANSWER:pharynx
causes bronchodilation - ANSWER:sympathetic ~ Epinephrine/Norepinephrine
water soluble vitamins - ANSWER:B and C
relaxation of internal sphincter - ANSWER:involuntary
protein is digested - ANSWER:stomach and duodenum
enzyme that breaks down starch - ANSWER:amylase
caused by closing of semilunar valves - ANSWER:2nd heart sound
caused by closing of the av valves - ANSWER:1st heart sound
Causes bronchoconstriction - ANSWER:Parasympathetic-acetylcholine
lower than normal amount of potassium in the blood - ANSWER:hypokalemia
chemical alteration of food - ANSWER:chemical digestion
breakdown of large food particles into smaller pieces - ANSWER:mechanical digestion
controls the diaphragm - ANSWER:phrenic nerve
chief muscle of inspiration - ANSWER:diaphragm
enzyme that digests fat - ANSWER:lipase
excess potassium in the blood - ANSWER:hyperkalemia
decrease in the concentration of plasma sodium - ANSWER:hyponatremia
fluid located in the intracellular space - ANSWER:cytoplasm
Lowers calcium levels - ANSWER:Calcitonin
stimulates the reabsorption of water - ANSWER:ADH
pharynx is superior to the - ANSWER:larynx
digests, absorbs, secrets hormones and digestive enzymes - ANSWER:functions of small intestine