The type of contraction represented by a single stimulus/contraction/relaxation sequence is a(n)
A) Twitch.
B) Incomplete tetanus.
C) Complete tetanus.
D) Summation.
E) Incomplete summation
A) Twitch.
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In males, the labioscrotal swellings form the
A. scrotum. B. scrotum and testes. C. scrotum and root of the penis. D. scrotum and dorsal side of the penis. E. scrotum and ventral side of the penis.
The biceps brachii muscle attaches to the ________ of the radius.
A. styloid process B. radial tuberosity C. neck D. radial notch E. head
Which structures create the blood brain barrier (BBB)?
A. Gap junctions between ependymal cells and endothelial cells that form the capillary walls B. Tight junctions between endothelial cells that form the capillary walls C. Gap and tight junctions between astrocytes and endothelial cells that form the capillary walls D. Gap junctions between endothelial cells that form the capillary walls E. Desmosomes and tight junctions between astrocytes and ependymal cells that form the capillary walls
Match the following:
A) Large veins B) Arterioles C) Large arteries D) Capillaries 1) Site where resistance to blood flow is greatest. 2) Site where exchanges of food and gases are made. 3) Site where blood pressure is lowest. 4) Site where the velocity of blood flow is fastest. 5) Site where the velocity of blood flow is slowest. 6) Site where the blood volume is greatest. 7) Site where the blood pressure is greatest. 8) Site that is the major determinant of peripheral resistance.