Arteries that supply the intestines arise from the aorta. Veins that drain the intestines ________
A) empty into the hepatic veins
B) enter the inferior vena cava directly
C) ultimately drain into the hepatic portal vein
D) join to form the common intestinal vein that enters the vena cava
Answer: C
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Cerebrospinal fluid is produced by the _____________, circulates through the ventricles, and enters the subarachnoid space. The cerebrospinal fluid leaves the subarachnoid space through the _____________.
A) choroid plexuses, arachnoid granulations B) arachnoid granulations, choroid plexuses C) dural sinuses, dura mater D) dura mater, dural sinuses
What type of hormones enter their target cells, bind with a receptor protein, penetrate the nucleus, and influence the transcription of genes?
A) steroid hormones B) peptide hormones C) both of the above D) none of the above
Answer these questions about chromosome structure. What does "B" represent?
A. chromatid B. chromatin C. proteins D. chromosome E. centromere
With which gland does the hypothalamus have a close anatomical and physiological relationship?
A) pituitary gland B) adrenal gland C) thyroid gland D) pineal gland