403 LAB 2C

BLOOD FLOW

PROCEDURE:

For the following situations, diagram the flow of blood from place to place using the names of the vessels from the lists of arteries and veins in Exercise 2B. Be sure to include the capillary bed between the arterial and venous sides of the circulation pathway.

Color code: red=oxygenated; blue=deoxygenated; purple=combination of oxygenated and deoxygenated

1. Trace the movement of a red blood cell from the superior vena cava to the left coronary artery.

superior vena cava right atrium right ventricle pulmonary trunk pulmonary arteries lung capillary bed pulmonary veins left atrium left ventricle aortaleft coronary artery

2. Trace the movement of an oxygen molecule from the aorta to the medial aspect of the cerebral hemisphere.

aorta left common carotid left internal carotid artery→ left anterior cerebral artery→ medial aspect left cerebral hemisphere

aorta brachiocephalic artery right common carotid artery→ right internal carotid artery→ right anterior cerebral artery medial aspect right cerebral hemisphere

3. Trace the movement of a water-soluble drug absorbed at the small intestine into the aorta. Does it pass through the liver? Can it bypass the liver on this first pass through the circulatory system?

capillary bed small intestine superior mesenteric vein hepatic portal vein liver sinusoids hepatic vein inferior vena cava heart (see #1 for blood flow through heart) systemic arteries

4. Trace the path of a molecule of testosterone produced in the left testicle as it travels to the right atrium.

left testicular vein left renal vein inferior vena cava right atrium

5. A patient is receiving a 5% glucose IV into his left basilic vein. Trace the flow of glucose from this vein to where it is utilized by muscle cells in the right biceps brachii.

left basilic vein left axillary vein left subclavian vein left brachiocephalic vein superior vena cava right atrium right ventricle pulmonary arteries lung capillaries pulmonary veins left atrium left ventricle aorta right brachiocephalic artery right subclavian artery right axillary artery right brachial artery

6. Trace the movement of a carbon dioxide molecule from the right parietal lobe of the cerebrum to the left lung.

parietal lobe veins dural sinuses right internal jugular vein right brachiocephalic vein superior vena cava right atrium right ventricle pulmonary trunk left pulmonary artery left lung

7. Trace blood from a pulmonary vein to a popliteal vein.

pulmonary vein left atrium left ventricle aorta common iliac artery external iliac artery femoral artery popliteal artery tibial arteries lower leg capillary bed tibial veins popliteal vein