NURS 221 Exam 3 Liberty University - Question and answers rated A+ 2024/2025 NURS 221 Exam 3
Rheumatoid arthritis, scleroderma, and systemic lupus erythematosus all have what in common?
a. They are examples of postinfectious disorders of systemic joint function.
b. Rashes are found with a...
NURS 221 Exam 3
Rheumatoid arthritis, scleroderma, and systemic lupus erythematosus all have
what in common?
a. They are examples of postinfectious disorders of systemic joint function.
b. Rashes are found with all of them.
c. Weight-bearing joints are most affected.
d. These are immune-mediated systemic disorders of joint function. - correct
answer ✔d. These are immune-mediated systemic disorders of joint function.
A patient has osteoarthritis. Which principle is important for the nurse to
remember?
a. This is a systemic autoimmune disorder that causes symmetric peripheral
arthritis
b. This is a type of arthritis where bacteria invade the synovial membrane
c. This is a progressive, noninflammatory disease of weight-bearing joints.
d. This is a deposition of uric acid crystals in joints causing inflammation. -
correct answer ✔c. This is a progressive, noninflammatory disease of
weight-bearing joints.
A patient has an eruption of vesicles with erythematous bases localized to a
dermatomal segment of skin caused by the same virus as chickenpox. Which
disorder will the clinician observe documented on the chart?
A patient has tinea corporis. Which area is affected and which organism
causes this disorder?
a. Scalp and bacteria
b. Face and parasites
c. Trunk and fungus
d. Groin and viruses - correct answer ✔c. Trunk and fungus
Clinical manifestations of hypoparathyroidism
a. result from decreased neuromuscular excitability.
b. are similar to those occurring with hypokalemia.
c. result from decreased serum ionized calcium.
d. are similar to those occurring with hypermagnesemia - correct answer ✔c.
result from decreased serum ionized calcium.
Secondary injury that occurs after reestablishing blood flow to an ischemic
area of the brain is called what injury?
a. autoregulation
b. reperfusion
c. dysconjugate
d. stuporous - correct answer ✔b. reperfusion
,The physiologic change most likely to lead to an increase in intracranial
pressure is
a. REM sleep
b. cerebral vasodilation
c. respiratory hyperventilation
d. hypernatremia - correct answer ✔b. cerebral vasodilation
Your patient with a head injury is unconscious with arms flexed towards the
core. Which of the following does this describe?
a. Decerebrate Posturing
b. Decorticate Posturing
c. Abnormal PERRLA
d. Increased GCS - correct answer ✔b. Decorticate Posturing
Your patient is admitted with repeated tonic-clonic seizures. You know that
which of the following are potential causes of seizures? Select all that apply.
a. Cerebral vascular accident
b. Head injury
c. Hyperkalemia
d. Hypoglycemia
e. Hypernatremia - correct answer ✔a, b, d, and e
Which patient ABG (arterial blood gas) results should the nurse act on
immediately?
, a. pH 6.9
b. CO2 = 35 mm Hg
c. HCO3- = 25 mEq/L
d. O2 saturation = 98% - correct answer ✔a. pH 6.9
The nursing instructor is reviewing acid base concepts to students. Which
statement by the instructor is correct regarding acid-base balance? Select all
that apply.
a. Respiratory compensation is fast acting
b. When blood CO2 levels increase... the kidney excretes HCO3-
c. The normal ratio of HCO3- to H2CO3- is 1 to 20
d. Buffer system is the first line of defense to control pH levels
e. Renal compensation is long lasting
f .Renal compensation is fast acting
g. Respiratory compensation is short lasting - correct answer ✔a, d, e, and g
ADH (antidiuretic hormone) release is stimulated by which condition? (Select
all that apply.)
a. Alcohol use
b. Anxiety over serious medical diagnosis
c. Low blood volume
d. Hyper-Osmolality of the ECF - correct answer ✔b, c, and d
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