PNB 2265 Exam 1 UPDATED Exam Questions and CORRECT Answers
2 views 0 purchase
Course
PNB 2265
Institution
PNB 2265
PNB 2265 Exam 1 UPDATED Exam
Questions and CORRECT Answers
This question refers to EKG traces in this figure below. At what point are the atria
repolarizing? - CORRECT ANSWER- QRS
Cardiac anastomoses - CORRECT ANSWER- Webbing of fibers in cardiac muscles only.
They pick up the slack of othe...
PNB 2265 Exam 1 UPDATED Exam
Questions and CORRECT Answers
This question refers to EKG traces in this figure below. At what point are the atria
repolarizing? - CORRECT ANSWER- ✔✔QRS
Cardiac anastomoses - CORRECT ANSWER- ✔✔Webbing of fibers in cardiac muscles only.
They pick up the slack of other fibers during contraction and act as bumping points for
communication between cells.
This question refers to the figure below. Which currents are NOT active during the plateau
phase of the action potential in panel A? (contractile myocyte) - CORRECT ANSWER-
✔✔Inward sodium current
Which of the following components of plasma is responsible for blood clotting? - CORRECT
ANSWER- ✔✔fibrinogens
This question refers to EKG traces in the figure below. At what point are the ventricles
depolarizing? - CORRECT ANSWER- ✔✔QRS
When mean arteriole blood pressure fails, baroreceptors in the _____ will _____ their firing
rate - CORRECT ANSWER- ✔✔carotid arteries, decrease
Follow the correct path of blood through the heart, beginning at the LEFT ATRIUM: -
CORRECT ANSWER- ✔✔Bicuspid valve --> Left Ventricle --> SL Valve --> Aorta
This question refers to the figure below. What effect will norepinephrine have on the action
potential shown in panel B? (pacemaker action potential) - CORRECT ANSWER-
✔✔Increase current through HCN channels
A pathological accumulation of fluid in the pericardium is called Cardiac Tamponade -
CORRECT ANSWER- ✔✔True
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller MGRADES. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $8.49. You're not tied to anything after your purchase.