NURSING

PNB PRACTICAL 2 EXAM QUESTIONS WITH 100% CORRECT ANSWERS what are three ways that muscles fatigue? - Answer- conduction failure acid buildup inhibition of cross-bridge cycle what are the affects of TTX? - Answer- voltage-gated sodium channels become blocked and action potential cannot propagate down the axon. what are the affects of BTX? - Answer- cause sodium channels to stay open, therefore prolonging depolarization. (maintain action potential; maintains depolarization without repo...

PNB Final Exam 3 Questions with All Correct Answers 2024/2025 Update Which of the following statements about leptin is true? a. leptin-deficiency leads to overeating b. most obese humans are deficient in leptin c. it is secreted by pancreatic tissue d. leptin is a strong simulator for food intake e. it is most potent in overweight subjects - Answer- a a 60 year old woman undergoes total pancreatectomy because of the presence of a tumor. Which of the following outcomes would NOT be expe...

PNB Final Exam Questions with 100% Correct Answers Which of the following is not part of the neurotrophic hypothesis - Answer- Innervation is not competitive Which of the following is the evidence that SHH induces formation of motor neurons - Answer- (all answers true) -Transplants of floorplate to dorsal spinal cord induces formation of ectopic motor neurons -SHH is expressed in tissue adjacent to where motor neurons will form -Exposure of developing dorsal spinal to SHH can cause ectop...

PNB Exam 4 Questions with All Correct Answers (Graded A+) Hexamathonium is a nicotinic receptor antagonist that was investigated for use in treating a wide variety of ANS related disorders. Which of the following events would not be affected by this drug? - Answer- The firing of AP in Preganglionic Neurons Firght or flight - Answer- - Increased Speed and strength of cardiac contraction -dilation of air passageways *Glycogen Breakdown (liver) * Triglyceride Breakdown (Adipose) - Muscle ...

PNB Practical I Exam Questions with 100% Correct Answers Pivot joint of elbow enables what action? A. Flexion of elbow B. Extension of elbow C. Pronation D. Supination E. Pronation and supination F. Flexion and extension - Answer- E Hinge joint of elbow enables what action? A. Flexion of elbow B. Extension of elbow C. Pronation D. Supination E. Pronation and supination F. Flexion and extension - Answer- F Select incorrect pairing of action and muscle A. Biceps; flexion of fo...

PNB Exam 2 Questions and Answers All Correct A student working in a lab accidentally injects himself with a drug that inhibits the L- type calcium channel (DHP). Which of the following processes will be most affected? - Answer- The removal of tropomyosin from myosin binding sites A rise in intracellular Ca2+ initiates smooth muscle contraction because: - Answer- It activates enzymes that change the ATPase activity of the Myosin head The regions of the central nervous system containing ...

PNB Lab Exam Questions with 100% Correct Answers What is the reversal potential for K+ based on the simulation result? - Answer- Reversal potential for K+ is -91.07 due to the conductance only being open to K+ so V rest looks like K+. Explain how tetrodotoxin would affect communication between neurons and what its mechanism is (what channels are affected with TTX). 1 / 1 - Answer- Tetrodotoxin (TTX) affects the communication between neurons by binding to the voltage-gated sodium channels, ...

JetBlue OPV Exam Questions with All Correct Answers What is the reporting time requirement for submission of a Flight Crew Irregularity Report (FCIR)? - Answer- 24 hours from the end of duty on the date of the event, extendable to 72 hours with Chief Pilot notification Under 10,000 feet who will perform all navigational entries in the MCDU? - Answer- Pilot Monitoring (PM) At the origination of a trip, you are required to report at least ______ prior to departure. - Answer- 1 hour Wh...

JETBLUE 2024 EXAM QUESTIONS AND ANSWERS 100% CORRECT Name a time you had to take initiative at work? - Answer- I've had times during the restaurant transitioning hours where I had to take over the host stand and make it my own task to seat customers. Doing so kept me busy and on top of things since I knew where they were being seated. Talk about a time a co-worker was struggling and what you did? - Answer- Situation: A co-worker was dealing with at-home issues before she came into...

JetBlue Exam Questions with All Correct Answers Who is the most important work group at the airline? - Answer- Everyone is very important. each one of us represent the airline when we are in front of the public. We provide the best service we can so the customers can have the best experience possible. What do you if a captain shows up to work out of uniform? - Answer- I would just bringing it up to their attention, sometimes it really not that big. I can't tell you how many times I forgo...