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Sunday, April 13, 2014

Answers and Rationale – TEST IV Care of Clients with Physiologic and Psychosocial Alterations part 1

Answers and Rationale – TEST IV Care of Clients with Physiologic and Psychosocial Alterations part 1   

1. Answer: (C) Hypertension
Rationale: Hypertension, along with fever,
and tenderness over the grafted kidney,
reflects acute rejection.

2. Answer: (A) Pain
Rationale: Sharp, severe pain (renal colic)
radiating toward the genitalia and thigh is
caused by uretheral distention and
smooth muscle spasm; relief form pain is
the priority.

3. Answer: (D) Decrease the size and
vascularity of the thyroid gland.
Rationale: Lugol’s solution provides
iodine, which aids in decreasing the
vascularity of the thyroid gland, which
limits the risk of hemorrhage when
surgery is performed.

4. Answer: (A) Liver Disease
Rationale: The client with liver disease has
a decreased ability to metabolize
carbohydrates because of a decreased
ability to form glycogen (glycogenesis) and
to form glucose from glycogen.

5. Answer: (C) Leukopenia
Rationale: Leukopenia, a reduction in
WBCs, is a systemic effect of
chemotherapy as a result of
myelosuppression.               

6. Answer: (C) Avoid foods that in the past
caused flatus.
Rationale: Foods that bothered a person
preoperatively will continue to do so after
a colostomy.

7. Answer: (B) Keep the irrigating container
less than 18 inches above the stoma.”
Rationale: This height permits the solution
to flow slowly with little force so that
excessive peristalsis is not immediately
precipitated.             

8. Answer: (A) Administer Kayexalate
Rationale: Kayexalate,a potassium
exchange resin, permits sodium to be
exchanged for potassium in the intestine,
reducing the serum potassium level.

9. Answer:(B) 28 gtt/min
Rationale: This is the correct flow rate;
multiply the amount to be infused (2000
ml) by the drop factor (10) and divide the
result by the amount of time in minutes
(12 hours x 60 minutes)

10. Answer: (D) Upper trunk
Rationale: The percentage designated for
each burned part of the body using the
rule of nines: Head and neck 9%; Right
upper extremity 9%; Left upper extremity
9%; Anterior trunk 18%; Posterior trunk
18%; Right lower extremity 18%; Left
lower extremity 18%; Perineum 1%.

11. Answer: (C) Bleeding from ears
Rationale: The nurse needs to perform a
thorough assessment that could indicate
alterations in cerebral function, increased
intracranial pressures, fractures and
bleeding. Bleeding from the ears occurs
only with basal skull fractures that can
easily contribute to increased intracranial
pressure and brain herniation.

12. Answer: (D) may engage in contact sports
Rationale: The client should be advised by
the nurse to avoid contact sports. This will
prevent trauma to the area of the
pacemaker generator.

13. Answer: (A) Oxygen at 1-2L/min is given to
maintain the hypoxic stimulus for
breathing.
Rationale: COPD causes a chronic CO2
retention that renders the medulla
insensitive to the CO2 stimulation for
breathing. The hypoxic state of the client
then becomes the stimulus for breathing.
Giving the client oxygen in low
concentrations will maintain the client’s
hypoxic drive.

14. Answer: (B) Facilitate ventilation of the
left lung.
Rationale: Since only a partial
pneumonectomy is done, there is a need
to promote expansion of this remaining
Left lung by positioning the client on the
opposite unoperated side.

15. Answer: (A) Food and fluids will be
withheld for at least 2 hours.
Rationale: Prior to bronchoscopy, the
doctors sprays the back of the throat with
anesthetic to minimize the gag reflex and
thus facilitate the insertion of the
bronchoscope. Giving the client food and
drink after the procedure without
checking on the return of the gag reflex
can cause the client to aspirate. The gag
reflex usually returns after two hours.

16. Answer: (C) hyperkalemia.
Rationale: Hyperkalemia is a common
complication of acute renal failure. It's
life-threatening if immediate action isn't
taken to reverse it. The administration of
glucose and regular insulin, with sodium
bicarbonate if necessary, can temporarily
prevent cardiac arrest by moving
potassium into the cells and temporarily
reducing serum potassium levels.
Hypernatremia, hypokalemia, and
hypercalcemia don't usually occur with
acute renal failure and aren't treated with
glucose, insulin, or sodium bicarbonate.

17. Answer: (A) This condition puts her at a
higher risk for cervical cancer; therefore,
she should have a Papanicolaou (Pap)
smear annually.
Rationale: Women with condylomata
acuminata are at risk for cancer of the
cervix and vulva. Yearly Pap smears are
very important for early detection.
Because condylomata acuminata is a
virus, there is no permanent cure.
Because condylomata acuminata can
occur on the vulva, a condom won't
protect sexual partners. HPV can be
transmitted to other parts of the body,
such as the mouth, oropharynx, and
larynx.

18. Answer: (A) The left kidney usually is
slightly higher than the right one.
Rationale: The left kidney usually is
slightly higher than the right one. An
adrenal gland lies atop each kidney. The
average kidney measures approximately
11 cm (4-3/8") long, 5 to 5.8 cm (2" to
2¼") wide, and 2.5 cm (1") thick. The
kidneys are located retroperitoneally, in
the posterior aspect of the abdomen, on
either side of the vertebral column. They
lie between the 12th thoracic and 3rd
lumbar vertebrae.

19. Answer: (C) Blood urea nitrogen (BUN)
100 mg/dl and serum creatinine 6.5mg/dl.
Rationale: The normal BUN level ranges 8
to 23 mg/dl; the normal serum creatinine
level ranges from 0.7 to 1.5 mg/dl. The
test results in option C are abnormally
elevated, reflecting CRF and the kidneys'
decreased ability to remove nonprotein
nitrogen waste from the blood. CRF
causes decreased pH and increased
hydrogen ions — not vice versa. CRF also
increases serum levels of potassium,
magnesium, and phosphorous, and
decreases serum levels of calcium. A uric
acid analysis of 3.5 mg/dl falls within the
normal range of 2.7 to 7.7 mg/dl; PSP
excretion of 75% also falls with the normal
range of 60% to 75%.

20. Answer: (D) Alteration in the size, shape,
and organization of differentiated cells
Rationale: Dysplasia refers to an alteration
in the size, shape, and organization of
differentiated cells. The presence of
completely undifferentiated tumor cells
that don't resemble cells of the tissues of
their origin is called anaplasia. An increase
in the number of normal cells in a normal
arrangement in a tissue or an organ is
called hyperplasia. Replacement of one
type of fully differentiated cell by another
in tissues where the second type normally
isn't found is called metaplasia.

21. Answer: (D) Kaposi's sarcoma
Rationale: Kaposi's sarcoma is the most
common cancer associated with AIDS.
Squamous cell carcinoma, multiple
myeloma, and leukemia may occur in
anyone and aren't associated specifically
with AIDS.

22. Answer: (C) To prevent cerebrospinal fluid
(CSF) leakage
Rationale: The client receiving a
subarachnoid block requires special
positioning to prevent CSF leakage and
headache and to ensure proper anesthetic
distribution. Proper positioning doesn't
help prevent confusion, seizures, or
cardiac arrhythmias.

23. Answer: (A) Auscultate bowel sounds.
Rationale: If abdominal distention is
accompanied by nausea, the nurse must
first auscultate bowel sounds. If bowel
sounds are absent, the nurse should
suspect gastric or small intestine dilation
and these findings must be reported to
the physician. Palpation should be
avoided postoperatively with abdominal
distention. If peristalsis is absent,
changing positions and inserting a rectal
tube won't relieve the client's discomfort.

24. Answer: (B) Lying on the left side with
knees bent
Rationale: For a colonoscopy, the nurse
initially should position the client on the
left side with knees bent. Placing the
client on the right side with legs straight,
prone with the torso elevated, or bent
over with hands touching the floor
wouldn't allow proper visualization of the
large intestine.

25. Answer: (A) Blood supply to the stoma has
been interrupted
Rationale: An ileostomy stoma forms as
the ileum is brought through the
abdominal wall to the surface skin,
creating an artificial opening for waste
elimination. The stoma should appear
cherry red, indicating adequate arterial
perfusion. A dusky stoma suggests
decreased perfusion, which may result
from interruption of the stoma's blood
supply and may lead to tissue damage or
necrosis. A dusky stoma isn't a normal
finding. Adjusting the ostomy bag
wouldn't affect stoma color, which
depends on blood supply to the area. An
intestinal obstruction also wouldn't
change stoma color.                        

26. Answer: (A) Applying knee splints
Rationale: Applying knee splints prevents
leg contractures by holding the joints in a
position of function. Elevating the foot of
the bed can't prevent contractures
because this action doesn't hold the joints
in a position of function. Hyperextending a
body part for an extended time is
inappropriate because it can cause
contractures. Performing shoulder rangeof-
motion exercises can prevent
contractures in the shoulders, but not in
the legs.

27. Answer: (B) Urine output of 20 ml/hour.
Rationale: A urine output of less than 40
ml/hour in a client with burns indicates a
fluid volume deficit. This client's PaO2
value falls within the normal range (80 to
100 mm Hg). White pulmonary secretions
also are normal. The client's rectal
temperature isn't significantly elevated
and probably results from the fluid
volume deficit.

28. Answer: (A) Turn him frequently.
Rationale: The most important
intervention to prevent pressure ulcers is
frequent position changes, which relieve
pressure on the skin and underlying
tissues. If pressure isn't relieved,
capillaries become occluded, reducing
circulation and oxygenation of the tissues
and resulting in cell death and ulcer
formation. During passive ROM exercises,
the nurse moves each joint through its
range of movement, which improves joint
mobility and circulation to the affected
area but doesn't prevent pressure ulcers.
Adequate hydration is necessary to
maintain healthy skin and ensure tissue
repair. A footboard prevents plantar
flexion and footdrop by maintaining the
foot in a dorsiflexed position.

29. Answer: (C) In long, even, outward, and
downward strokes in the direction of hair
growth
Rationale: When applying a topical agent,
the nurse should begin at the midline and
use long, even, outward, and downward
strokes in the direction of hair growth.
This application pattern reduces the risk
of follicle irritation and skin inflammation.

30. Answer: (A) Beta -adrenergic blockers
Rationale: Beta-adrenergic blockers work
by blocking beta receptors in the
myocardium, reducing the response to
catecholamines and sympathetic nerve
stimulation. They protect the
myocardium, helping to reduce the risk of
another infraction by decreasing
myocardial oxygen demand. Calcium
channel blockers reduce the workload of
the heart by decreasing the heart rate.
Narcotics reduce myocardial oxygen
demand, promote vasodilation, and
decrease anxiety. Nitrates reduce
myocardial oxygen consumption bt
decreasing left ventricular end diastolic
pressure (preload) and systemic vascular
resistance (afterload).

31. Answer: (C) Raised 30 degrees
Rationale: Jugular venous pressure is
measured with a centimeter ruler to
obtain the vertical distance between the
sternal angle and the point of highest
pulsation with the head of the bed
inclined between 15 to 30 degrees.
Increased pressure can’t be seen when
the client is supine or when the head of
the bed is raised 10 degrees because the
point that marks the pressure level is
above the jaw (therefore, not visible). In
high Fowler’s position, the veins would be
barely discernible above the clavicle.

32. Answer: (D) Inotropic agents
Rationale: Inotropic agents are
administered to increase the force of the
heart’s contractions, thereby increasing
ventricular contractility and ultimately
increasing cardiac output. Beta-adrenergic
blockers and calcium channel blockers
decrease the heart rate and ultimately
decreased the workload of the heart.
Diuretics are administered to decrease the
overall vascular volume, also decreasing
the workload of the heart.

33. Answer: (B) Less than 30% of calories from
fat
Rationale: A client with low serum HDL
and high serum LDL levels should get less
than 30% of daily calories from fat. The
other modifications are appropriate for
this client.

34. Answer: (C) The emergency department
nurse calls up the latest electrocardiogram
results to check the client’s progress
Rationale: The emergency department
nurse is no longer directly involved with
the client’s care and thus has no legal
right to information about his present
condition. Anyone directly involved in his
care (such as the telemetry nurse and the
on-call physician) has the right to
information about his condition. Because
the client requested that the nurse update
his wife on his condition, doing so doesn’t
breach confidentiality.             

35. Answer: (B) Check endotracheal tube
placement.
Rationale: ET tube placement should be
confirmed as soon as the client arrives in
the emergency department. Once the
airways is secured, oxygenation and
ventilation should be confirmed using an
end-tidal carbon dioxide monitor and
pulse oximetry. Next, the nurse should
make sure L.V. access is established. If the
client experiences symptomatic
bradycardia, atropine is administered as
ordered 0.5 to 1 mg every 3 to 5 minutes
to a total of 3 mg. Then the nurse should
try to find the cause of the client’s arrest
by obtaining an ABG sample. Amiodarone
is indicated for ventricular tachycardia,
ventricular fibrillation and atrial flutter –
not symptomatic bradycardia.

36. Answer: (C) 95 mm Hg
Rationale: Use the following formula to
calculate MAP
MAP = systolic + 2 (diastolic)
3
MAP=126 mm Hg + 2 (80 mm Hg)
3
MAP=286 mm HG
3
MAP=95 mm Hg

37. Answer: (C) Electrocardiogram, complete
blood count, testing for occult blood,
comprehensive serum metabolic panel.
Rationale: An electrocardiogram evaluates
the complaints of chest pain, laboratory
tests determines anemia, and the stool
test for occult blood determines blood in
the stool. Cardiac monitoring, oxygen, and
creatine kinase and lactate
dehydrogenase levels are appropriate for
a cardiac primary problem. A basic
metabolic panel and alkaline phosphatase
and aspartate aminotransferase levels
assess liver function. Prothrombin time,
partial thromboplastin time, fibrinogen
and fibrin split products are measured to
verify bleeding dyscrasias; an
electroencephalogram evaluates brain
electrical activity.

38. Answer: (D) Heparin-associated
thrombosis and thrombocytopenia (HATT)
Rationale: HATT may occur after CABG
surgery due to heparin use during surgery.
Although DIC and ITP cause platelet
aggregation and bleeding, neither is
common in a client after revascularization
surgery. Pancytopenia is a reduction in all
blood cells.

39. Answer: (B) Corticosteroids
Rationale: Corticosteroid therapy can
decrease antibody production and
phagocytosis of the antibody-coated
platelets, retaining more functioning
platelets. Methotrexate can cause
thrombocytopenia. Vitamin K is used to
treat an excessive anticoagulate state
from warfarin overload, and ASA
decreases platelet aggregation.

40. Answer: (D) Xenogeneic
Rationale: An xenogeneic transplant is
between is between human and another
species. A syngeneic transplant is between
identical twins, allogeneic transplant is
between two humans, and autologous is a
transplant from the same individual.

41. Answer: (B)
Rationale: Tissue thromboplastin is
released when damaged tissue comes in
contact with clotting factors. Calcium is
released to assist the conversion of
factors X to Xa. Conversion of factors XII to
XIIa and VIII to IIIa are part of the intrinsic
pathway.

42. Answer: (C) Essential thrombocytopenia
Rationale: Essential thrombocytopenia is
linked to immunologic disorders, such as
SLE and human immunodeficiency virus.
The disorder known as von Willebrand’s
disease is a type of hemophilia and isn’t
linked to SLE. Moderate to severe anemia
is associated with SLE, not polycythemia.
Dressler’s syndrome is pericarditis that
occurs after a myocardial infarction and
isn’t linked to SLE.

43. Answer: (B) Night sweat
Rationale: In stage 1, symptoms include a
single enlarged lymph node (usually),
unexplained fever, night sweats, malaise,
and generalized pruritis. Although
splenomegaly may be present in some
clients, night sweats are generally more
prevalent. Pericarditis isn’t associated
with Hodgkin’s disease, nor is
hypothermia. Moreover, splenomegaly
and pericarditis aren’t symptoms.
Persistent hypothermia is associated with
Hodgkin’s but isn’t an early sign of the
disease.

44. Answer: (D) Breath sounds
Rationale: Pneumonia, both viral and
fungal, is a common cause of death in
clients with neutropenia, so frequent
assessment of respiratory rate and breath
sounds is required. Although assessing
blood pressure, bowel sounds, and heart
sounds is important, it won’t help detect
pneumonia.

45. Answer: (B) Muscle spasm
Rationale: Back pain or paresthesia in the
lower extremities may indicate impending
spinal cord compression from a spinal
tumor. This should be recognized and
treated promptly as progression of the
tumor may result in paraplegia. The other
options, which reflect parts of the nervous
system, aren’t usually affected by MM.        

46. Answer: (C) 10 years
Rationale: Epidermiologic studies show
the average time from initial contact with
HIV to the development of AIDS is 10
years.

47. Answer: (A) Low platelet count
Rationale: In DIC, platelets and clotting
factors are consumed, resulting in
microthrombi and excessive bleeding. As
clots form, fibrinogen levels decrease and
the prothrombin time increases. Fibrin
degeneration products increase as
fibrinolysis takes places.             

48. Answer: (D) Hodgkin’s disease
Rationale: Hodgkin’s disease typically
causes fever night sweats, weight loss,
and lymph mode enlargement. Influenza
doesn’t last for months. Clients with sickle
cell anemia manifest signs and symptoms
of chronic anemia with pallor of the
mucous membrane, fatigue, and
decreased tolerance for exercise; they
don’t show fever, night sweats, weight
loss or lymph node enlargement.
Leukemia doesn’t cause lymph node
enlargement.                     

49. Answer: (C) A Rh-negative
Rationale: Human blood can sometimes
contain an inherited D antigen. Persons
with the D antigen have Rh-positive blood
type; those lacking the antigen have Rhnegative
blood. It’s important that a
person with Rh- negative blood receives
Rh-negative blood. If Rh-positive blood is
administered to an Rh-negative person,
the recipient develops anti-Rh agglutinins,
and sub sequent transfusions with Rhpositive
blood may cause serious
reactions with clumping and hemolysis of
red blood cells.

50. Answer: (B) “I will call my doctor if Stacy
has persistent vomiting and diarrhea”.
Rationale: Persistent (more than 24 hours)
vomiting, anorexia, and diarrhea are signs
of toxicity and the patient should stop the
medication and notify the health care
provider. The other manifestations are

expected side effects of chemotherapy.

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