NR 507 FINAL EXAM

CHAMBERLAIN COLLEGE OF NURSING

100% CORRECT

Question 1

Idiopathic thrombocytopenic purpura (ITP) is an autoimmune process involving

antibodies attacking which type of cells?

Platelets

ITP is a disorder of platelet consumption. This selection is the only option that

correctly identifies which type of cell is attacked by ITP.

 Question 2

Which hormone prompts increased anxiety, vigilance, and arousal during a stress

response?

Norepinephrine

Only the release of norepinephrine promotes arousal, increased vigilance,

increased anxiety, and other protective emotional responses.

Question 3

Which of the following are formed elements of the blood that are not cells but are

disk-shaped cytoplasmic fragments essential for blood clotting?

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Platelets

Platelets

Platelets (thrombocytes) are not true cells but are disk-shaped cytoplasmic

fragments that are essential for blood coagulation and control of bleeding. This

description is not accurate for any of the other options.

 Question 4

When renin is released, it is capable of which action?

Formation of angiotensin I

Formation of angiotensin I

When renin is released, it cleaves an α-globulin (angiotensinogen produced by

liver hepatocytes) in the plasma to form angiotensin I.

.

Question 5

In a full-term infant, the normal erythrocyte life span is _____ days, whereas the

adult erythrocyte life span is _____ days.

60 to 80; 120

Formation o

60 to 80; 12

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In full-term infants, normal erythrocyte life span is 60 to 80 days; in premature

infants it may be as short as 20 to 30 days; and in children and adolescents, it is

120 days, the same as that in adults.

Question 6

Graves disease is a result of:

Autoantibodies binding to thyroid-stimulating hormone (TSH)-receptor sites

In the hyperthyroidism (excessive thyroid activity) of Graves disease, autoantibody

binds to and activates receptors for TSH (a pituitary hormone that controls the

production of the hormone thyroxine by the thyroid). The other options do not

accurately describe the cause of Graves disease.

Question 7

What is the most commonly reported symptom of cancer treatment?

Fatigue

Fatigue

Fatigue is the most frequently reported symptom of cancer and cancer treatment.

Although patients report the other options, they are not as frequently experienced

as fatigue.

Autoantibo

Fatigue

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Question 8

In which structure does B lymphocytes mature and undergo changes that commit

them to becoming B cells?

Bone marrow

Bone marrow

B lymphocytes mature and become B cells in specialized (primary) lymphoid

organs—the thymus gland for T cells and the bone marrow for B cells. Neither

regional lymph nodes nor the spleen are involved in changing B lymphocytes into

B cells.

Question 9

Chvostek and Trousseau signs indicate which electrolyte imbalance?

Hypocalcemia

Hypocalcemia

Two clinical signs of hypocalcemia are the Chvostek sign and Trousseau sign.

These clinical signs are not indicative of any of the other options.

Question 10

On average, what percent of cardiac output do the kidneys receive?

Bone marro

Hypocalcem

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