Which of the following alterations could lead to edema?
a. A fall in capillary blood pressure
b. A fall in the concentration of plasma proteins
c. Blocked lymph vessels
d. Both a and b
e. Both b and c
E
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The abdominal _______ plexus consists of the celiac plexus, superior mesenteric plexus, and inferior mesenteric plexus
Fill in the blank with correct word.
Why are injections administered in the hypodermis when administering drugs using a hypodermic needle?
A) There is an abundance of capillaries in the hypodermis. B) The hypodermis is highly innervated. C) Since it is vascularized, the hypodermis can absorb a lot of fluid. D) Both elastic fibers and collagen fibers are present. E) The presence of blood vessels and lymphatic vessels help local tissues defend and repair themselves.
The structures that contain chemoreceptors that detect blood levels of oxygen and carbon
dioxide are the A) aortic bodies. B) aortic sinuses. C) capillary buds. D) aortic branches.
Damage to the substantia nigra causes a decrease in the neurotransmitter dopamine. This causes a gradual, generalized increase in muscle tone, which is the main symptom of
A) Parkinson's disease. B) rabies. C) Alzheimer's disease. D) myasthenia gravis. E) tetanus.