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HCR 240 PATHO ISMEURT ASU QUESTIONS WITH CORRECT ANSWERS

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HCR 240 PATHO ISMEURT ASU QUESTIONS WITH CORRECT ANSWERS

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What is hyponatremia and the causes and manifestations


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, Sodium deficit
Causes
sweating, vomiting
administration of more water than kidneys can excrete
Manifestations
muscle cramps, weakness, fatique




Lysosomes


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contain enzymes for digesting cellular substances to their basic form, such
as amino acids, fatty acids, and carbohydrates (sugars)

cell injury leads to release of lysosomal enzymes that cause cellular self-
destruction




What is a subdural hematoma


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Often a tear in the arachnoid, venous blood accumulates between dura and
pia mater, collects in subdural space
can be Acute (24hrs) Subacute (2-10 days) or Chronic (several weeks after
injury)




What are the two types of spinal cord injuries?


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, Primary- occurs at time of injury, irreversible; gray matter with
hemorrhages, edema, then necrosis of neural tissue
from partial cord injury, hemisectional injury, or transectional injury
Secondary- end result is a progression in neurologic damage due to
inflammation- edema- increased pressure




Diffusion


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gas and other substances move- from an area of greater concentration to
area of lesser concentration




Effects of Hypokalemia (potassium deficiency)


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Carbohydrate metabolism is affected as insulin secretion is depressed
renal function is impaired, decreased ability to concentrate urine: polyuria
(increased urine) and polydipsia (increased thirst)
Heart palpitations as well- weak, irregular pulse




What are some Metabolic acids?


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, Sulfuric acid
Phosphoric acid
Lactic acid/lactate
Ketoacids




What is doubling time


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time for the total mass of cells to increase by 100%




What is the main purpose and location of IgG


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'2nd responder', most common type (original Gangster)
in blood/CSF/lymph,
only one to cross placenta




Ribosomal RNA


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Site of actual protein synthesis is in the ribosome which has equal parts of
protein and rRNA

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