BIO110: FINALS GMAIL

Angiogenesis contributes to the cause of what visual defect in diabetes?

A) macular degeneration
B) glaucoma
C) myopia
D) hyperopia
E) cataracts

A

What is angiogenesis?

A) small leakage of blood from the microvasculature
B) large leakage of blood from the large blood vessels
C) development of new blood vessels
D) weak bulges in the walls of small blood vessels
E) development of perforations in the basement membrane of fenestrated capillaries

C

T OR F

Angiogenesis occurs during the normal wound healing process

TRUE

Which of the following is a normal blood glucose level?

A) 100 mg/dL
B) 100 gm/mL
C) 50 mg/dL
D) 50 mmolar
E) 200 mmola

A

What are Kupffer cells?

A) macrophages in the liver
B) hepatocytes
C) cells of the stomach that secrete hydrogen ions
D) cells lining the crypts of Lieberkühn
E) cells lining the pancreatic duct

A

What are macrophages in the liver called?

A) histiocytes
B) sinusoidal lining cells
C) Kupffer cells
D) giant cells
E) sideroblasts

C

In the peripheral nervous system, myelin is formed by .
In the central nervous system, myelin is formed by .

A) oligodendrocytes : Schwann cells
B) Schwann cells : astrocytes
C) Schwann cells : microglial cells
D) Schwann cells : oligodendrocyte

D

T OR F

The majority of cells in the nervous system are glial cells.

TRUE

What is the difference between diabetes mellitus and diabetes insipidus?

A) One is a deficit in insulin activity; the other has a deficit in ADH activity.
B) One has a lack of insulin secretion; the other has resistance to insulin.
C) One has a lack of ADH secretion; the other has resistance to ADH.
D) One causes increased fluid loss; the other causes increased thirst.
E) One causes diarrhea; the other causes diuresis

A

In diabetes insipidus, blood levels of ___ are decreased, causing an increase in __.

A) insulin : glucose in the urine
B) aldosterone : sodium in the urine
C) aldosterone : potassium in the urine
D) ADH : urine volume
E) ADH : plasma volume

D

In diabetes insipidus, why does polyuria occur?

A) A lack of ADH decreases water reabsorption.
B) An increase in aldosterone increases water reabsorption.
C) Glucose transporters in the renal tubules become saturated.
D) A lack of angiotensin II decreases thirst.
E) A lack of insulin decreases water permeability of the renal tubules

A

The process whereby fluid from the bloodstream enters the tubules of the kidneys is called

A) Filtration
B) Excretion
C) Secretion
D) Absorption
E) Reabsorption

A

What is bulk flow of fluid from inside a capillary into interstitial fluid called?

A) filtration
B) adsorption
C) absorption
D) excretion
E) secretion

A

What is the normal glomerular filtration rate?

A) 125 mL/min
B) 625 mL/min
C) 3 L/day
D) 30 L/day
E) 1 gallon/day

A