16. Proprioceptive information for posture, balance and
skilled movement is conducted via the
a. posterior funiculus and medial lemniscal tract
b. anterolateral tract
c. spinocerebellar tract
d. pyramidal pathway
e. indirect pathway
17. Valves are found in
a. heart
b. veins
c. arteries
d. a and b
e. all of the above
18. The parietal pericardium
a. is continuous with the parietal pleura
b. is composed of a fibrous and a serous layer
c. forms a protective sac for the heart
d. secretes serous fluids
e. is also known as the epicardium
19. The two largest veins of the body are the
a. opthalmic and internal jugular veins
b. inferior and superior vena cavae
c. external jugular and occipital veins
d. brachiocephalic and subclavian veins
e. internal and external jugular veins
20. The thin strand of pia mater that anchors the distal
spinal cord in the vertebral column is the
a. denticulate ligament
b. posterior rootlet
c. filum terminale
d. conus meduallaris
e. pons
21. The major relay for sensory pathways is the
a. pons
b. thalamus
c. medulla oblongata
d. brainstem
e. cerebrum
22. The unrestricted passage of ions between adjacent
cardiomyocytes, required for the synchronous contractions that
create the heart beat, is possible due to the presence of
a. adhering junctions
b. desmosomes
c. gap junctions
d. tight junctions
e. hemidesmosomes
23. The cell bodies of sensory neurons are located
a. in the anterior horns
b. in the lateral horns
c. in the posterior horns
d. in the posterior columns
e. outside the spinal cord
24. The scleral venous sinus is also called the
a. canal of Schlemm
b. hyaloid canal
c. lacrimal canal
d. ora serrata
e. conjunctiva
25. The thickest layer in the artery is:
a. tunica media
b. tunica intima
c. tunica externa
d. subendothelial layer
e. none of the above
26. The papillae that form an inverted V on the tongue
posterior dorsal surface, indicating the 2/3:1/3 border are
a. filiform papillae
b. circumvallate papillae
c. fungiform papillae
d. foliate papillae
e. gustatory papillae
27. The heart is located within the
a. pericardium
b. mediastinum
c. thoracic cavity
d. a and b
e. all of the above
28. Melatonin is secreted by the
a. thyroid gland
b. anterior pituitary gland
c. pineal gland
d. posterior pituitary gland
e. hypothalamus