Define the underlined terms in the following case study. A 12-week-old mongrel canine with a ticked coat presented to the clinic with enlarged anal sacs. Both sacs were expressed, and inspissated material was expelled. The owner expressed concerns that the canine lacked vigor and had contracted canine distemper, but such concerns proved unfounded upon PE
What will be an ideal response?
1. mongrel-mixed breed
2. ticked coat-fur in which darker colors are found on the tips of each guard hair
3. anal sacs-pair of pouches found between the internal and external anal sphincters that store an oily, foul-smelling fluid secreted by the anal glands
4. vigor-healthy growth; high energy
5. canine distemper-highly contagious paramyxovirus infection associated with respiratory, digestive, muscular, and neurologic signs
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If the sodium-potassium pumps in the plasma membrane fail to function, all of the following occur except
A) the intracellular concentration of potassium ions will increase. B) the neuron will slowly depolarize. C) the membrane will slowly lose its capacity to generate action potentials. D) the inside of the membrane will have a resting membrane potential that is more positive than normal. E) the intracellular concentration of sodium ions will increase.
Label J represents which of the following structures?
A) syncytial trophoblast
B) developing villi
C) lacuna
D) uterine gland
E) amniotic cavity
BMR and SMR are constant for a species
Indicate whether the statement is true or false
Cells that line the fluid-filled ventricles of the brain, some of which produce cerebrospinal fluid, are called ____
a. oligodendrocytes b. astrocytes c. microglia d. ependymal cells