What does surfactant do - Study guides, Class notes & Summaries

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...

FSE 118 Final Exam- Questions from Midterm and Quizes with Complete Solutions What is the primary function of the respiratory system? The primary function of the respiratory system is to facilitate the exchange of oxygen and carbon dioxide between the body and the environment. What are the main structures involved in the respiratory system? The main structures include the nasal cavity, pharynx, larynx, trachea, bronchi, bronchioles, and alveoli. How does air travel through the r...

What is vasogenic cerebral edema? - Vasogenic cerebral edema is an increase in extracellular fluid caused by a breakdown of the blood-brain barrier with the resultant increase in vascular permeability. This cerebral edema begins locally and becomes more generalized. Common causes are trauma (including surgical trauma), tumors, hemorrhage, and abscesses What ventilator parameter indicates fluid volume excess? - An A:a gradient greater than 10 mm Hg is a reflection of a diffusion defect. Not...

Substance that is metabolized by or incorporated into an organism - Answer-nutrient What is the biggest advantage of having a complete digestive tract? - Answer-specialized compartments can have different conditions As a red blood cell leaves the foot moving to the heart, it is carrying _________ gas. It travels through the Inferior Vena Cava, into the ____________ of the heart, then into the _____________ before heading to the lungs via the _______________. - Answer-Carbon dioxide, right a...

Surfactant -chemical produced in the lungs to maintain the surface tension of the alveoli and keep them from collapsing * without this, surface tension is harder and it's harder to breathe When does surfactant synthesis and storage begin? 24 weeks' gestation When are breathing movements detected in utero? 11 weeks' gestation When do fetuses/babies produce enough surfactant? 35 week's gestation Lecithin-sphingomyelin ratio (L-S ratio) Ratio used to determine fetal lung maturity ra...

The nurse and nursing student are assessing a client experiencing shock. The nurse teaches the student that which of these findings reflects compensatory sympathetic stimulation in a shock state? a) decrease in the serum creatinine b) overgrowth of the glomerular basement membrane c) increase in thyroid hormone production d) decreased urine output correct answers d) decreased urine output During periods of strong sympathetic stimulation, such as shock, constriction of the afferent ar...

A&P TEST 1 REVIEW QUESTIONS AND ANSWERS | LATEST VERSION | GRADED A+ What are the primary functions of the integumentary system’s accessory structures? To enhance the skin's protective barrier, regulate temperature, and aid in sensory perception. How does the composition of the dermis contribute to its role in the skin? The dermis, consisting of connective tissue, provides strength and elasticity to the skin, and houses blood vessels and nerves that support epidermal functi...

The right common carotid artery begins at the level of the: - Answer- Sternoclavicular articulation Posterior to the medial border of the belly of the biceps brachii muscle is the anatomical guide for which artery: - Answer- Brachial The procedure for injection and drainage in which injection is accomplished at one location, and the drainage is taken from another location is called: - Answer- Split injection The dilution of concentrated arterial fluid by the embalmer: - Answer- Primary ...

Which of following is true regarding Co2 a. It can bind with hemoglobin b. it can be found dissolved in our blood c. 20x more soluble than O2 d. All of above - ️️d. All of above ______________ is the main determinant of # of Hb binding sites - ️️ What component of hemoglobin actually binds the oxygen? - ️️Fe+ Since the blood goes leaves the lungs with pO2 =100, what does this mean for its affinity? - ️️Almost fully saturated (around ~ 97%) What does the plateau portion o...

Asbestos Project Monitor Examination 2024 Questions Answered Correctly| Already Passed Rated +++ What is Surfactant? - Correct Answer A chemical that reduces the surface tension of water Class 1 Asbestos Project - Correct Answer Removal of TSI & Surfacing How do you find the Maximum Use of Concentration? MUC/MUL - Correct Answer PEL x PF = MUC What is the sequence for Phase 2 work area preparation? - Correct Answer 1. Set up signs 2.Build the worker Decon unit 3.Preparation of the r...