Platelets ________
A) have multiple nuclei
B) are the precursors to leukocytes
C) are in involved in blood clotting
D) None of the listed responses is correct.
C
Explanation:
A) Platelets are anucleate.
B) Platelets are not the precursors to leukocytes.
D) One of the listed responses is correct.
Exercise 34: Post-Lab Questions
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A group of related nerve cell bodies are outside of the central nervous system. The group is called a _____.
a. tracts b. plexus c. nerves d. ganglia
The coronary sinus does NOT receive blood from the:
A) small cardiac vein. B) brachiocephalic vein. C) middle cardiac vein. D) great cardiac vein.
The eye measures about ________ in diameter.
A. 2.5 cm B. 12.5 cm C. 12.5 mm D. 22.5 cm E. 2.5 mm
Where do most second-order somesthetic neurons synapse with third-order neurons?
A. Spinothalamic tract B. Postcentral gyrus C. Midbrain D. Hypothalamus E. Thalamus