NURSING

PNB 2264 Practical II Exam Questions with 100% Correct Answers What is the distance being measured on the earthworm to calculate velocity? - Answer- Distance from stimulus to the negative (1st) electrode Effect of increasing the voltage of stimulation - Answer- Increase stimulus artifact amplitude but will not change the amplitude of the action potential Biphasic wave form of extracellular readings - Answer- A positive and negative response is seen because there are two electrodes applie...

PNB 2264 QUIZ 10 QUESTIONS WITH ALL CORRECT ANSWERS What are thing the sympathetic division does during fight or flight? - Answer- - increase heart rate - constrict BV in GI - increase respiration rate - sweating - dilate BV around skeletal muscle - dilation of airways How does the things that occur during flight or fight happen? - Answer- due to release of epinephrine or noepinerphine Is rest and relax of parasympathetic diviosn organized for mass discharge - Answer- no What doe...

PNB 2264 Final Exam Questions and Answers All Correct Hector has a mutation that increases the threshold of his voltage gated potassium channels. As a result of this mutation: -repolarization would take longer -resting membrane potential would depolarize -action potentials would not fire - Answer- depolarization would take longer the concentration of molecule X is 500mM outside the cell and 100mM inside the cell. The concentration of molecule Y is 100mM outside the cell and 200mM ins...

PNB Exam 2 Questions and Answers All Correct 2 Exam (elaborations) PNB Practical I Exam Questions with 100% Correct Answers 3 Exam (elaborations) PNB Exam 4 Questions with All Correct Answers (Graded A+) 4 Exam (elaborations) PNB Final Exam Questions with 100% Correct Answers 5 Exam (elaborations) PNB Final Exam 3 Questions with All Correct Ans

PNB 2264 Final Test Questions with Correct Answers 2024 Latest Update Which of the following is an example of a structure function relationship - Answer- The random coil conformations of the protein elastin give elastic fibers the property of extensibility If, while standing in anatomical position, you flex only your left elbow through its full range of motion, your left thumb will now be pointing - Answer- Laterally Dislocation of the shoulder joint is prevented by ______ - Answer- rest...

PNB 2264 EXAM QUESTIONS WITH 100% CORRECT ANSWERS Characteristics of epithelial tissue - Answer- -cellularity -polarity (apical and basal surfaces anchor epithelial tissue to underlying tissue) -attachment (basal lamina/basement membrane) -avascularity - no blood supply -regenerative Functions of epithelial tissue - Answer- -physical protection -barrier -exchange -secretions (glandular cells) -absorption Intercellular junctions - Answer- bind epithelial tissue together Desm...

PNB EXAM 4 QUESTIONS AND CORRECT ANSWERS ALREADY PASSED which of the following would increase the half life of a hormone in blood - Answer- if the hormone is carried by a transport protein the the blood Phenelzine, a common MAO inhibitor will cause - Answer- elevated blood pressure Your nephew accidentally ingested a package of insecticide that containse anticholinesterase. What sympotoms would you observe - Answer- spastic paralysis, sweating, nausea, tachycardia Which of the follow...

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...