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NR 507 FINAL EXAM
GRADED A+
, NR 507 FINAL EXAM
Question 1
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 2
Idiopathic thrombocytopenic purpura (ITP) is an autoimmune process
involving antibodies attacking which type of cells?
Platelets
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 3
When renin is released, it is capable of which action?
Formation of angiotensin I
Formation o
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 4
Which of the following are formed elements of the blood that are not
cells but are disk-shaped cytoplasmic fragments essential for blood
clotting?
Platelets
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 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
60 to 80; 12
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
Autoantibo
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
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.
Question 8