NR 507: Week 8 Final Exam (Secure HIGHSCORE) (Complete solutions and resources for the course exam)

NR 507: Week 8 Final
Exam (Secure
HIGHSCORE)
(Complete solutions and resources for the
course exam)

, Week 8: Final Exam
• 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

Instructions
• 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!

Attempt History
Attempt Time Score

LATEST Attempt 1 75 minutes 146 out of 150
Score for this quiz: 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