Vasoconstriction Study guides, Class notes & Summaries

Which of the following is an extrinsic influence on the FHR? CORRECT ANSWER C. Fetal-placental circulation The most highly oxygenated blood in fetal circulation is carried by: CORRECT ANSWER C. Ductus venosus If fetal arterial pressure begins to fall below normal levels: CORRECT ANSWER A. Baroreceptors cause vasoconstriction and increase the FHR Fetal heart rate variability is defined as fluctuations in the baseline that are irregular in _____ and _____. CORRECT ANSWER B. Amplitude and ...

Which layer of serous membrane lines the walls of cavities? - Answer-Visceral (wrong) Which directional term, also known as dorsal, means nearer to or at the back of the body? - AnswerPosterior Which type of tissue produces chemicals and fluid that digests food in the stomach? - Answer-Muscle (wrong) Which term describes the study of the function of components of the body? - Answer-Physiology Eight chemical elements constitute 3.6 percent of total body mass. What are these chemical elements...

Which term describes the study of the function of components of the body? correct answers Physiology Which type of tissue produces chemicals and fluid that digests food in the stomach? correct answers Epithelial Which layer of serous membrane lines the walls of cavities? correct answers Parietal Which of the following is the anatomical name for the neck area? correct answers Cervical Eight chemical elements constitute 3.6 percent of total body mass. What are these chemical elements c...

BMC ICU Med Post Test 2023.What is the concentration of Norepinephrine? - ANSWER 8mg/250mL OR 32mg/250mL What is the dosage range for the titration of Norepinephrine? - ANSWER 0.5 mcg/min - 30 mcg/min - titrate by 2 mcg/min What is the mechanism of action of Norepinephrine? - ANSWER Mostly Alpha (peripheral vasoconstriction) and some Beta 1 (+ inotropy, increasing contractility) What is the indication of Norepinephrine? - ANSWER First line use for septic shock What is the concentrat...

Exam 2 Pharm Study guide Chapter 15 Adrenergic agonists Sympathetic responses Stimulation of sympathetic nervous system or use of adrenergic drugs can cause dilation of pupils and bronchioles; increased heart rate; constriction of blood vessels; relaxation of muscles in GI tract, bladder, and uterus. Effects of adrenergic agonists at receptors Alpha 1 receptor Increases cardiac contractility, vasoconstriction Dilates pupils, decreases salivary gland secretion Increases bladder and pro...

Nitroprusside purpose - Answer- decreases preload and afterload by vasodilation (mainly afterload) Dobutamine mechanism of action - Answer- contractility Dopamine at a low-end dose "renal dose" - Answer- 0.5-4mcg/kg/min increases renal and mesentric perfusion Dopamine at a mid-range dose - Answer- 4-10mcg/kg/min increases contractility and heart rate Dopamine at a high-range dose - Answer- greater than 10mcg/kg/min vasoconstriction and increases BP Dopamine and Levophed inf...

Of the following choices, which would not be a consideration for choosing suture? A. Type of procedure B. The tissue being reapproximated C. Type of reapproximation D. Scrub person preference - D. Scrub person preference Alexanders 15th P192 Which of the following is not an event that would adversely affect the pulse ox reading? A. Hypothermia B. Hypertension C. Vasoconstriction D. Hypovolemia - B. Hypertension Alexanders 15th P132 Skin injuries related to shearing occur most commonl...

-decreased LOC(lethargy to coma) -restlessness, irritability, confusion -headache -projectile N&V -change in speech pattern/slurred speech -dilated nonreactive pupils or constructed nonreactive pupils -ataxia -seizure -abnormal posturing -Cushing's triad: severe HTN, widened pulse pressure, bradycardia Key sx of increased ICP - Symptoms of increased ICP -severe HTN, widened pulse pressure, bradycardia What is Cushing's triad - Most at risk during 1st 72 hours after stroke onset ...

1. Select the main structures below that play a role with altering intracranial pressure: A. Brain B. Neurons C. Cerebrospinal Fluid D. Blood E. Periosteum F. Dura mater - The answers are A, C, and D. Inside the skull are three structures that can alter intracranial pressure. They are the brain, cerebrospinal fluid (CSF), and blood. 2. The Monro-Kellie hypothesis explains the compensatory relationship among the structures in the skull that play a role with intracranial pressure. Which o...

Healthstream Test 2023 Exam / 108 Complete Questions and Correct Answers. A patient assessment reveals distended neck veins, pulsus paradoxus, and decreased systolic pressure. This assessment is most consistent with: - ANSWER cardiac tamponade. The nurse is caring for a patient with severe sepsis and third-degree heart block. The patient is hypotensive. The treatment for this life-threatening rhythm change includes: - ANSWER transcutaneous pacing. A patient is admitted to the ICU with sus...