FINAL TEST STUDY GUIDE 2026/2027
COMPLETE QUESTIONS WITH VERIFIED
CORRECT ANSWERS ||
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<NEWEST VERSION>
1. Removal of part of the liver leads to the remaining liver cells undergoing
compensatory - ANSWER ✔ Compensatory hyperplasia is an adaptive
mechanism that enables certain organs to regenerate. For example, the
removal of part of the liver leads to hyperplasia of the remaining liver cells
(hepatocytes) to compensate for the loss.
2. Which of the following statements best describes Raynaud disease?
a. An inflammatory disorder of small and medium-size arteries in the
feet and sometimes in the hands
b. A neoplastic disorder of the lining of the arteries and veins of the
upper extremities
c. A vasospastic disorder of the small arteries and arterioles of the
fingers, and less commonly, the toes
d. An autoimmune disorder of the large arteries and veins of the upper
and lower extremities - ANSWER ✔ c. A vasospastic disorder of the
small arteries and arterioles of the fingers, and less commonly, the
toes
3. Multiple sclerosis is best described as a (an):
, a. Central nervous system demyelination, possibly from an
immunogenetic virus
b. Inadequate supply of acetylcholine at the neurotransmitter junction as
a result of an autoimmune disorder
c. Depletion of dopamine in the central nervous system as a result of a
virus
d. Degenerative disorder of lower and upper motor neurons caused by
viral-immune factors - ANSWER ✔ a. Central nervous system
demyelination, possibly from an immunogenetic virus
Exp: Multiple sclerosis (MS) is an autoimmune disorder diffusely involving
the degeneration of central nervous s!stem (CNS) myelin and loss of axons.
MS is described as occurring when a previous infectious insult to the CNS
has occurred in a genetically susceptible individual with a subsequent
abnormal immune response in the CNS. The other options do not adequately
describe MS. page 618-619
4. Antidiuretic hormone acts to cause vasoconstriction when?
a. Urine output is less than 20ml/hr.
b. Serum osmolality is increased.
c. Osmotic and oncotic pressures are increased.
d. Vasopressin is pharmacologically administered. - ANSWER ✔ d.
Vasopressin in pharmacologically administered.
Exp: ADH was originally named vasopressin
because, in extremely high doses, it causes vasoconstriction and a resulting
increase in arterial blood pressure. However, significant vasoconstriction
may only be achieved pharmacologically. Antidiuretic hormone induced
vasoconstriction is not a result of the other options. page 698-699
,5. Where is antidiuretic hormone (ADH) synthesized, and where does it act?
a. Hypothalamus; renal tubular cells
b. Renal tubules; renal collecting ducts
c. Anterior pituitary; posterior pituitary
d. Posterior pituitary; loop of Henle - ANSWER ✔ b. Renal tubules ;
Renal collecting ducts
Exp: Once synthesized in the hypothalamus, ADH acts on the vasopressin 2
(V2) receptors of the renal duct cells to increase their permeability. This
information helps eliminate the other options. page 696-698
6. Diabetes insipidus is a result of:
a. Antidiuretic hormone hyposecretion
b. Insulin hyposecretion
c. Antidiuretic hormone hypersecretion
d. Insulin hypersecretion - ANSWER ✔ a. Antidiuretic hormone
hyposecretion
Exp: Of the available options, diabetes insipidus is a result of insufficient
antidiuretic hormone. page 719
7. The cause of neurogenic diabetes insipidus (DI) is related to an organic
lesion of the:
a. Anterior pituitary
b. Thalamus
c. Posterior pituitary
d. Renal tubules - ANSWER ✔ c. Posterior pituitary
, Exp: Neurogenic DI is a result of dysfunctional antidiuretic hormone
synthesis, caused by a lesion of the posterior pituitary, hypothalamus, or
pituitary stalk. page 729
8. Which form of diabetic insipidus (DI) will result if the target cells for
antidiuretic hormone (ADH) in the renal collecting tubules demonstrate
insensitivity?
a. Neurogenic
b. Nephrogenic
c. Psychogenic
d. Ischemic - ANSWER ✔ b. Nephrogenic
Exp: Only nephrogenic DI is associated with an insensitivity of the renal
collecting tubules to ADH. page 720
9. Which form of diabetes insipidus (DI) is treatable with exoxenous
antidiuretic hormone (ADH)?
a. Neurogenic
b. Nephrogenic
c. Psychogenic
d. Ischemic - ANSWER ✔ a. Neurogenic
Exp: Neurogenic DI is treated with ADH replacement therapy. The other
options are incorrect. page 720
10.Renal failure is the most common cause of which type of
hyperparathyroidism?