Nerve impulse conduction Study guides, Class notes & Summaries

m   1. Which of the following is the mRNA start codon in most cases? A. UAA B. AGU C. AUG D. UGA 2. Which of the types of RNA is the smallest? A. mRNA B. tRNA C. rRNA D. 3. Which of the following is not considered a pyrimidine? A. C B. T C. U D. G 4. Which of the following is paired correctly? A. A-G B. C-G C. A-U D. G-T 5. Which of the following characterizes a Western blot? A. Antibody/protein hybridization B. DNA/RNA combination C. RNA ...

CARDIAC HEALTHSTREAM TELEMETRY EXAM Q & A 2023/2024 Normal Conduction System - CORRECT ANSWER--SA Node = Primary Pacemaker of the Heart, rate of 60-100 bpm -Internodal Pathways = Pathways connecting SA Node and AV Node -AV Node = Backup pacemaker, rate of 40-60 bpm -Bundle of His = splits nerve fibers down Left & Right Sides, His-Purkinje is conduction system of heart -L & R Bundle Brancehs = lead to left & right of the myocardium -Purkinje Fibers / Network = ends of the muscle, last...

Exam 1: BIOS 252 / BIOS252 (Latest 2024/ 2025 Update) Anatomy and Physiology II Exam Review| Questions and Verified Answers| 100% Correct| Grade A - Chamberlain Q: What is the name of the chemical that is secreted by the synaptic end bulb and is used to stimulate or inhibit another cell? A. Chemical receptors B. Meninges C. Neurotransmitters D. Saltatory conduction Answer: C. Neurotransmitters Q: Using stimulation like pressure or stretching to open a cell membran...

Comprehensive CRNA Interview Review Accurate responses are given. Comprehensive CRNA Interview Review Norepinephrine Mechanism of Action (MOA) A1, A2, B1 agonist. Primary agent used in distributive shock because it's ability to recruit venous volume and augment preload, while increasing arterial tone, and increasing cardiac output. Alpha one causing peripheral smooth muscle contraction. (low dose venous, high dose venous and arterial). Alpha 2 adrenoreceptor agonism actually ant...

Basic ECG interpretation Exam Review Solution 100% Accurate - The nurse should understand the conduction system of the heart, the process associated with rhythm monitoring through ECG interpretation, patient preparation for the 12-lead ECG, ECG findings, interpretation, and patient management with specific heart rhythm conditions. - The ECG uses electrodes attached to the patient's skin to record physiologic heart changes. - Four properties of heart cells, automaticity, excitability, con...

Nur 155 Exam 3 Latest Version (2024/2025) Graded A+ Atelectasis collapsed lung Fowlers position 45 degrees semi-Fowler's position 30 degrees High-Fowler's position 60-90 degreesa Stimulus Agent or act that stimulates a nerve receptor Receptor Nerve cell acts as a receptor by converting the stimulus to a nerve impulse. Most are sensitive to only one type, such as visual, Audio or touch Impulse conduction Travels along Nerve pathways to to the spinal cord or brain. Perc...

Which type of shock causes a temporary loss of motor, sensory, and reflex functions below the level of a lesion? - Answer- Spinal shock According to the rule of nines, burns of the anterior trunk and both anterior arms account for which percentage of body surface area? - Answer- 27 percent Which effect does parasympathetic stimulation have on the heart? A. It increases peripheral vascular resistance. B. It enhances atrioventricular node function. C. It shortens His-Purkinje and ventric...

Which of the following is not a function of astrocytes? - Answer-provide the defense for the CNS Which of the choices below describes the ANS? - Answer-motor fibers that conduct nerve impulses from the CNS to smooth muscle, cardiac muscle, and glands What are ciliated CNS neuroglia that play an active role in moving the cerebrospinal fluid called? - Answer-ependymal cells The sheath of Schwann is also called the ________. - Answer-neurilemma Bipolar neurons are commonly ________. - Answer-...

If a woman who drinks a cup of decaffeinated coffee in the morning, a cup of fruit juice with lunch, 6 cups of water throughout the day and a cup of tea at bedtime, her fluid intake would be considered a. dangerously low. b. below optimal. c. optimal. d. too high. - ANSWER c Having only softened tap water at home would be of most concern to a(n) a. pregnant woman b. a full-time student who also works part-time c. elderly woman with osteoporosis d. retired man with hypertension ...

ATE 1211 Midterm Exam Review - Questions and Answers (Complete Solutions) Where do you find the interstitial fluid in the body? Body cavities What is the difference between mitosis and meiosis? Mitosis: 2 daughter cells produced o Meiosis: 4 daughter cells produced Function of a lysosome Digestion of ingested material in cell Which body compartment contains the greatest amount of water? Intracellular compartment Examples of the carbohydrates found in the cells Glucose, fructose, lactose, sucro...