Which of the following is absent in humans?
A. Right and left subclavian veins
B. Right and left subclavian arteries
C. Right and left brachiocephalic veins
D. Right and left common carotid arteries
E. Right and left brachiocephalic arteries
Answer: E
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A horse that eats rapidly or startles is said to:
A) bolt B) float C) cradle D) tease
A patient presents with gastric acid hypersecretion. It can be explained by an increase in the plasma concentration of which of the following?
a) secretin b) somatostatin c) gastrin d) gastric inhibitory peptide (GIP)
The complex structures of DNA and protein found in the cell nucleus are
A) nucleoplasm. B) chromosomes. C) histones. D) nucleases. E) mitochondria.
Which of the following is not a function of blood?
A. Transports a variety of nutrients B. Helps to stabilize the pH of extracellular fluids C. Participates in the initiation of blood clotting D. Helps to regulate body temperature E. Produces plasma hormones