NR 507 Final Exam QUESTIONS AND ANSWERS
GRADED A+
Week8:Fi
nalExam
• Due Dec 16 at 11:59pm
• Points 150
• Questions 75
• Available Dec 10 at 12am - Dec 16 at 11:59pm 7 days
• Time Limit 90 Minutes
I
nst
ruct
ions
• The Week 8 final exam counts toward the final grade. It is comprehensive and covers
material from Weeks 1–8.
• The final exam consists of 75 questions and is worth 2 points each.
• You have one attempt to take the exam with a 90 minute time limit.
Good luck!
At
temptHi
st
ory
Attempt Time Score
LATEST Attempt 1 75 minutes 146 out of 150
,Submitted Dec 16 at 11:15pm
This attempt took 75 minutes.
Question 1
pts
What period follows depolarization of the myocardium and represents a period during
which no new cardiac potential can be propagated?
Refractory
Threshold
Sinoatrial (SA)
Hyperpolarization
During the refractory period, no new cardiac action potential can be initiated by a
stimulus. This selection is the only option that accurately identifies the period described
in the question.
Question 2
pts
What is the suggested mean blood pressure for an 8- to 9-year-old child?
106/58 mm Hg
104/55 mm Hg
112/62 mm Hg
, 121/70 mm Hg
The suggested mean blood pressure for an 8- to 9- year-old child is 106/58 mm Hg. For
a child of 6 to 7 years old, 104/55 mm Hg is appropriate; for a 12- to 13-year-old child,
112/62 mm Hg is appropriate, and for a 16- to 18-year-old young man, 121/70 mm Hg is
appropriate.
Question 3
pts
Which is an example of an endogenous antigen?
Yeast
Cancer cells
Fungus
Bacteria
Of the options provided, endogenous antigens include only those uniquely produced by
cancerous cells.
Question 4
pts
An infant has a crescendo-decrescendo systolic ejection murmur located between the
second and third intercostal spaces along the left sternal border. A wide fixed splitting of
the second heart sound is also found. These clinical findings are consistent with which
congenital heart defect?
Atrioventricular canal (AVC) defect
Patent ductus arteriosus (PDA)
GRADED A+
Week8:Fi
nalExam
• Due Dec 16 at 11:59pm
• Points 150
• Questions 75
• Available Dec 10 at 12am - Dec 16 at 11:59pm 7 days
• Time Limit 90 Minutes
I
nst
ruct
ions
• The Week 8 final exam counts toward the final grade. It is comprehensive and covers
material from Weeks 1–8.
• The final exam consists of 75 questions and is worth 2 points each.
• You have one attempt to take the exam with a 90 minute time limit.
Good luck!
At
temptHi
st
ory
Attempt Time Score
LATEST Attempt 1 75 minutes 146 out of 150
,Submitted Dec 16 at 11:15pm
This attempt took 75 minutes.
Question 1
pts
What period follows depolarization of the myocardium and represents a period during
which no new cardiac potential can be propagated?
Refractory
Threshold
Sinoatrial (SA)
Hyperpolarization
During the refractory period, no new cardiac action potential can be initiated by a
stimulus. This selection is the only option that accurately identifies the period described
in the question.
Question 2
pts
What is the suggested mean blood pressure for an 8- to 9-year-old child?
106/58 mm Hg
104/55 mm Hg
112/62 mm Hg
, 121/70 mm Hg
The suggested mean blood pressure for an 8- to 9- year-old child is 106/58 mm Hg. For
a child of 6 to 7 years old, 104/55 mm Hg is appropriate; for a 12- to 13-year-old child,
112/62 mm Hg is appropriate, and for a 16- to 18-year-old young man, 121/70 mm Hg is
appropriate.
Question 3
pts
Which is an example of an endogenous antigen?
Yeast
Cancer cells
Fungus
Bacteria
Of the options provided, endogenous antigens include only those uniquely produced by
cancerous cells.
Question 4
pts
An infant has a crescendo-decrescendo systolic ejection murmur located between the
second and third intercostal spaces along the left sternal border. A wide fixed splitting of
the second heart sound is also found. These clinical findings are consistent with which
congenital heart defect?
Atrioventricular canal (AVC) defect
Patent ductus arteriosus (PDA)
