LATEST 2026/2027 COMPLETE STUDY QUESTIONS
WITH CORRECT VERIFIED ANSWERS 100% TOP
RATED | GRADED A+
,WGU D236 PATHOPHYSIOLOGY NURSING EXAM 1 LATEST
2026/2027 COMPLETE STUDY QUESTIONS WITH CORRECT
VERIFIED ANSWERS 100% TOP RATED | GRADED A+
Desensitization therapy improves allergies by which of the following mechanisms?
A) Producing antibodies that prevent the allergen from binding to IgE
B) Decreasing the amount of IgE in the body
C) Decreasing the amount of antigen in the bloodstream
D) Decreasing the responsiveness of the bronchi and blood vessels to histamine - Answer>>> a
Why is carbon monoxide exposure a life-threatening condition?
A) Carbon monoxide binds to hemoglobin and prevents normal oxygen transport to tissues.
B) Inhalation of carbon monoxide interferes with oxygen diffusion in the lungs.
C) Carbon monoxide causes the release of toxic amounts of iron from the tissues.
D) Carbon dioxide removal from the tissues is inhibited. - Answer>>> a
A 13-year-old female fell on her knee while skating. The area became inflamed and sore to
touch. Which of the following would result from activation of the plasma system secondary to
her injury?
A) Mast cell degranulation
B) Release of cellular products
C) Cellular infiltration
D) Pathogenic invasion - Answer>>> c
The most common cause of Down syndrome is:
A) paternal nondisjunction.
B) maternal translocations.
,C) maternal nondisjunction.
D) paternal translocations. - Answer>>> c
Lead poisoning affects nervous system function by which of the following mechanisms?
A) Lead blocks oxygen delivery to the brain by binding with hemoglobin.
B) Lead interferes with neurotransmitter release.
C) Lead causes nervous tissue necrosis.
D) Lead inhibits fatty acid oxidation in the brainstem. - Answer>>> b
Risk factors for Down syndrome include:
A) fetal exposure to mutagens in the uterus.
B) increased paternal age.
C) family history of Down syndrome.
D) pregnancy in women over age 35. - Answer>>> d
A 13-year-old girl has a karyotype that reveals an absent homologous X chromosome with only a
single X chromosome present. Her condition is called:
A) Down syndrome.
B) Cri du chat syndrome.
C) Turner syndrome.
D) Edward syndrome - Answer>>> c
A person with type O blood has which of the following antigens present on their red blood cells?
A) A and B
B) Rh
C) O
D) None of the above - Answer>>> d
, Transfusion of A-negative blood to an O-positive individual will have which of the following
results?
A) Improved red blood cell count
B) Clumping and lysis of red blood cells
C) Production of anti-B antibodies
D) An Rh incompatibility reaction - Answer>>> b
Individuals with immunodeficiencies are at risk for:
A) hypersensitivity reactions.
B) fungal infections only.
C) opportunistic infections.
D) autoimmune diseases. - Answer>>> c
The microorganism that causes acquired immunodeficiency syndrome (AIDS) is a:
A) gram-negative bacterium.
B) gram-positive bacterium.
C) retrovirus.
D) protozoan. - Answer>>> c
A child is diagnosed with cystic fibrosis. History reveals that the child's parents are first cousins.
Cystic fibrosis was most likely the result of:
A) X inactivation.
B) genomic imprinting.
C) consanguinity.
D) obligate carriers. - Answer>>> c