Case #1: A 37-year-old woman presents to her primary care physician with a complaint of severe chestpain when she walks uphill in cold weather. The pain disappears when she rests. She has a pack perday smoking habit, she also has stage 2 HTN and a BMI of 31. Q4: Which of the following is NOT a target in her anginal pain relief?A. The beta 1 adrenergic receptorB. L-type calcium channelsC. Guanylyl cyclaseD. Beta 2 adrenergic receptors

Anginal pain is defined as the sharp, stabbing pain experienced in the chest that radiates to left…

Answered: Q4: Which of the following is NOT a…

Phlebotomy Essentials

6th Edition

ISBN:9781451194524

Author:Ruth McCall, Cathee M. Tankersley MT(ASCP)

Publisher:Ruth McCall, Cathee M. Tankersley MT(ASCP)

Chapter1: Phlebotomy: Past And Present And The Healthcare Setting

Section: Chapter Questions

Problem 1SRQ

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Identify the multiple mechanisms by which a drug can be pro-ergic or anti-ergic at a synapse.
Subject: Neurophysiology Estimate the driving force for sodium currents at the peak of an action potential.
Luke Marks is a 40-year-old male who was brought into ED by ambulance after he came off his motorcycle at 40km/hr after hitting a pothole in the road. The incident was called in by a bystander, an off-duty lifeguard, who helped to stabilise his c-spine by supporting his head (in a badly scratched helmet) and spoke to him until paramedics arrived. Handover from paramedics included: GCS 15, PERRLA, nil evidence of head injury despite a head strike, but Luke was unable to move his arms and legs and stated he had nil sensation in his legs and the sensation in his hands felt strange. The paramedics safely removed his helmet and safely secured a hard collar around his neck before transporting him to hospital. Luke reported pain of 8/10 in his cervical spine but nowhere else. His vital signs were as follows: RR 22, SpO2 98% RA, HR 59bpm, BP 125/63 mmHg, Temp 35.7 degrees. Paramedics administered 8mg IV ondansetron, 5mg s/c morphine and 250ml of NaCl (0.99%) en route. Luke has no significant…
B. If the permeability of the membrane to K+, Na+, and Cl- are 100, 3, and 10 respectively, what is the resting membrane potential of this cell? USE CHK to got:
Why diabetes is a significant risk factors for stroke?
Give 2 examples of diseases/cases where ion channels in nervous system malfunction. Describe the malfunction and resulting conditions.
1)The endogenous ligand epinephrine binds to alpha1 receptors in the vasculature and increases blood pressure. Which of the following correctly matches the drug to the expected in vivo effect? Group of answer choices alpha1 receptor negative allosteric modulator: decrease blood pressure alpha1 receptor antagonist: no effect on blood pressure alpha1 receptor agonist: decrease blood pressure 2)The endogenous ligand for an ion channel causes the influx of 50 Na+ ions per second. This ion channel has constitutive activity of 10 Na+ ions per second. If drug A binds to the ion channel and causes the influx of 50 Na+ ions per second, which of the following categories best describes drug A? Group of answer choices full agonist antagonist partial agonist inverse agonist
The nurse is monitoring a patient who is receiving an infusion of a beta-adrenergic agonist. Which adverse effects may occur with this infusion? (Select all that apply.) a) Mild tremorsb )Bradycardiac) Tachycardiad )Palpitationse )Drowsinessf) Nervousness
Explain very well
26. Rhythm (reg/irregular): Rate: PR Interval QRS: QT: Rhythm Interpretation:
Q5.3. After the rising phase, which ion channel is responsible for action potential returning to its resting Vm, and why? Na+ channels, because positive Na* ions are at higher concentration outside the axon than inside, and so they enter the axon and raise V m Na* channels, because positive Na* ions are at higher concentration inside the axon than outside, and so they leave the axon and raise Im K* channels, because positive K* ions are at higher concentration outside the axon than inside, and so they enter the axon and raise Vm K+ channels, because positive K* ions are at higher concentration inside the axon than outside, and so they leave the axon and lower Vm Submit

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