What vein returns blood from the upper part of the body to the heart?
A. Inferior vena cava
B. Inferior mesenteric vein
C. Superior vena cava
D. Hepatic portal vein
Answer: C
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Lymph is transported through a network of increasingly larger lymphatic passageways. What is the correct order of these, from smallest diameter to largest diameter?
A. Ducts - vessels - capillaries - trunks B. Vessels - capillaries - trunks - ducts C. Capillaries - vessels - trunks - ducts D. Capillaries - ducts - trunks - vessels E. Ducts - capillaries - vessels - trunks
Answer the following questions true (T) or false (F)
1. The osmotic pressure gradient, or the force of solutes in a solution, tends to push water away from the solution with the higher osmotic pressure, or the more concentrated solution, by osmosis. 2. Sensible water loss includes water lost through feces and urine while insensible water loss includes water lost through sweating and evaporation. 3. Metabolic water (or water of oxidation) amounts to a total gain of about 250 ml of water per day.
Axons of the corticobulbar tracts
A. descend in the lateral funiculus of the spinal cord and synapse with anterior horn motor neurons. B. descend in the anterior funiculus of the spinal cord and synapse with lateral horn motor neurons. C. do not pass through the spinal cord, as they synapse with lower motor neurons in brainstem cranial nuclei. D. do not pass through the spinal cord, as they synapse with cerebellar Purkinje cells. E. connect the supplementary motor cortex with the primary motor cortex.
The most inferior medial region of the abdomen is the
A) epigastric region B) inguinal region C) hypogastric region D) umbilical region