Length contraction - Study guides, Class notes & Summaries

Excitability - Answer- the ability of non-pacemaker heart cells to respond to an electrical impulse that begins in pacemaker cells. Depolarization - Answer- occurs when the normally negatively charged cells within the heart muscle develop a positive charge. Conductivity - Answer- the ability to send an electrical stimulus from cell membrane to cell membrane. As a result, excitable cells depolarize in rapid succession from cell to cell until all cells have depolarized. Ex: the wave of depol...

ATI Peds ATI 2019 B with NGN| Questions and Answers with Rationales| Latest Update 1. A nurse is providing teaching to an adolescent about how to manage tinea pedis. Which of the following statements by the adolescent indicates an understanding of the teaching? A. "I should buy plastic shoes to wear at the swimming pool. " B. "I should wear sandals as much as possible. " C. "I should place the permethrin cream between my toes twice daily. " D. "I should seal my non washable shoes i...

1. Which of the following tissues is always avascular? A) connective tissue D) epithelial tissue B) muscle tissue E) nervous tissue C) skeletal tissue Ans:  D Difficulty:  Medium 2. A scientist who examines tissue changes that might indicate disease is called a A) histologist. D) epidemologist B) radiologist. E) endocrinologist. C) pathologist. Ans:  C Difficulty:  Easy 3. The tissue lining body cavities is A) epithelial tissue. D) m...

HESI: NUR202/ NUR 202 (Latest 2024/ 2025 Update) Maternal Newborn Nursing | Study Guide with Questions and Verified Answers| 100% Correct| Grade A – Fortis Q: Contraction measurements Frequency - from beginning of one to the next Duration - length from beginning to end intensity - mild (30) to strong (70) resting tone - tension of uterine muscle between contractions Q: Fetal heart rate Answer: 110-160 is normal Q: Reassuring fetal heart rate pattern A...

WGU D116 Pharm Unit 4 Cardio Questions And Answers Rated A+ Blood flow ANS Resistance: vessel diameter, vessel length, blood viscosity Back to heart: negative pressure in right atrium sucks in blood, constriction of muscle in vein wall, valves and skeletal muscles Stroke Volume (SV) ANS measurement of the amount of blood ejected from a ventricle in one contraction 1-myocardial contractility 2-cardiac afterload 3-cardiac preload Can be increased by SNS through beta 1 receptors Preloa...

Exam 4: BSC2086/ BSC 2086 (Latest 2024/ 2025 Update) Anatomy and Physiology II Complete Guide | Qs & As| 100% Correct| Grade A (Verified Answers) Q: Plicae circulares Answer: folds of the small intestine wall Q: The Submucosa Answer: •Is a layer of dense irregular connective tissue •Surrounds muscularis mucosae, binds it to the muscularis externa •Has large blood vessels and lymphatic vessels •May contain exocrine glands: secrete buffers and enzymes into digestive tr...

Progression: Construction Coordinator I - II Exam Answered Correctly. A chain trencher A return path sweep-and-alignment system is used to adjust which of the following? Anomalies, such as echoes and blind spots, can hide cable faults or cause a technician to misinterpret the signature of a time domain reflectometer (TDR) waveform. What causes an echo on a waveform TDR? As the RF signal travels on the coaxial cable, one portion of the signal may be attenuated more than the others. ...

NREMT Advanced-EMT Exam 2023 Initial Assessment: B-SMNAC - ANS-- BSI (body substance isolation); - Scene Safety; - Mechanism of Injury (MOI)/Nature of Illness (NOI); - Number of Patients; - Assistance (additional units, Fire, Police, etc.); - C-spine (and/or C-collar) Initial Assessment: G-CAAT - ANS-- General Impression; - Chief Complaints, Life Threats (hemorrhage); - AVPU; - ABC's (airway, breathing, circulation); - Transport Decision (Load and Go or Stay and Play) Components of...

Which patient is most at risk for developing delirium? a. A 50-yr-old woman with cholecystitis b. A 19-yr-old man with a fractured femur c. A 42-yr-old woman having an elective hysterectomy d. A 78-yr-old man admitted to the medical unit with complications related to heart failure - Answer-D You are caring for a patient who is experiencing delirium due to a lack of sleep. Which of the following nursing interventions would be *inappropriate* in treating this patients' condition? a. You tr...

Discuss digestion and which substrate, proteins, carbohydrates, fats, or amino acids take place in the mouth. Correct Answer-Salivary alpha amylase-enzyme that initiates carbohydrate digestion in mouth The parasympathetic nervous system activity (PANS) effect on salivary glands involves what effect on GI activity? Correct Answer-Parasympathetic nervous system stimulates salivary glands and atropine (inhibits salvation and makes mouth dry), the activation/stimulation increases GI activity W...