NR 507 EXAM LATEST UPDATE WITYH VERIFIED QUESTIONS AND ANSWERS 2025/2026

NR 507 EXAM LATEST UPDATE WITYH
VERIFIED QUESTIONS AND ANSWERS
2025/2026

,COMPLETE EXAM




Quiz# 1

Which hormone prompts increased anxiety, vigilance, and arousal during a stress response?Correct!
3339




Norepinephrine


orepinephrin




Norepinephrine

Only the release of norepinephrine promotes arousal, increased vigilance, increased anxiety, and other
protective emotional responses.



Quiz# 2

pts

Idiopathic thrombocytopenic purpura (ITP) is an autoimmune process involving antibodies attackingwhich
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.



Quiz# 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.



Quiz# 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
essentialfor blood coagulation and control of bleeding. This description is not accurate for any of the
other options.



.

Quiz# 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 shortas
20 to 30 days; and in children and adolescents, it is 120 days, the same as that in adults.