Baroreceptor reflex Study guides, Revision notes & Summaries

1. Disseminating intravascular coagulation - Answer- Results from any number of life-threatening conditions, including massive injury and hypotension due to trauma. Sepsis and obstetric complications also may cause DIC. This conditions progresses in two stages: 1. Free thrombin and fibrin deposits in the blood increases, and platelet begin to aggregate. in this stage, defibrillation or a breakdown of the fibrin clots, or tissue injury. 2. Uncontrolled hemorrhage results from the severe redu...

CH. 16,18,19,20 Pathophysiology WCU Exam Questions and Answers Systolic -Answer-Blood pressure in the arteries during contraction of the ventricles. Diastolic -Answer-occurs when the ventricles are relaxed; the lowest pressure against the walls of an artery Systolic BP -Answer-peak pressure during cardiac systole - Reflects amount of blood (Stroke Vol.) -ejected w/ each beat & compliance of the aorta and large arteries Diastolic BP -Answer-lowest pressure attained in arteries during dias...

What BP is indicative of an elevated BP? - Answer-SBP 120-129 AND DBP <80 What BP is indicative of stage 1 HTN? - Answer-SBP 130-139 or DBP 80-90 What BP is indicative of stage 2 HTN? - Answer-SBP >140 or DBP >90 What BP is indicative of hypertensive crisis? - Answer-SBP >180 or DBP >120 What are the ABC's of secondary HTN causes? - Answer-Aldosteronism Bad kidneys Cushing's/coarctation Drugs Endocrine disorder The autonomic nervous system contains the _____ and _____ n...

Norepinephrine has a dose-dependent affinity for what? correct answer: Alpha-1, alpha-2, and beta-1 receptors Low dose Norepinephrine stimulates what receptors correct answer: Beta-1 selective increased HR and inotropy High dose Norepi stimulates what receptors correct answer: Alpha-1, alpha-2, and beta-1 Increased SVR = increased BP = decreased HR via baroreceptor reflex Norepi is an ideal drug for what? correct answer: low SVR states like sepsis or post-cardiopulmonary bypass h...

The primary action of a drug that dilates the veins and venules would be able to - ANSWER reduce preload According to Starling's Law of the Heart, the force of contraction of the myocardium increases with increased - ANSWER preload A coronary artery embolism is often cleared by injecting - ANSWER plasminogen activator Calcium channel blockers, beta-blockers, angiotensin-converting enzyme inhibitors and angiotensin receptor blockers are all used to treat - ANSWER hypertension One of ...

Paramedic Trauma Fisdap 2 Questions and Answers Graded A+ Disseminating Intravascular Coagulation (DIC) pathological process characterized by the widespread activation of the clotting cascade that results in the formation of blood clots in the small blood vessels throughout the body Transected aorta Aortic transection occurs when the aorta tears or ruptures due to a major traumatic injury, like those suffered in a car accident. The aorta is the main blood vessel that takes blood from t...

CH. 16,18,19,20 Pathophysiology WCU Exam Questions and Answers Systolic -Answer-Blood pressure in the arteries during contraction of the ventricles. Diastolic -Answer-occurs when the ventricles are relaxed; the lowest pressure against the walls of an artery Systolic BP -Answer-peak pressure during cardiac systole - Reflects amount of blood (Stroke Vol.) -ejected w/ each beat & compliance of the aorta and large arteries Diastolic BP -Answer-lowest pressure attained in arteries during dias...

Chapter 11: Nervous System: Spinal Cord and Peripheral Nerves Herlihy: The Human Body in Health and Illness, 6th Edition MULTIPLE CHOICE 1. Which of the following is the major motor tract? a. Cauda equina b. Spinocerebellar c. Pyramidal d. Spinothalamic ANS: C 2. Which of the following is the best description of a motor tract? a. Spinothalamic tract b. Ascending tract c. Descending tract d. Gray matter ANS: C 3. To achieve spinal anesthesia, a -caine drug is injected into the a. ...

MSF Exam2 QUESTIONS AND CORRECT ANSWERS LATEST UPDATE 2023 c. ADH release is increased 1. As a compensatory response to hemorrhage, which of the following might occur? a. Inhibition of ADH release b. Inhibition of aldosterone release c. ADH release is increased d. Angiotensin I levels decrease c. Action potential firing rate to the medulla decreases 1. You’ve been binge-watching American Horror Story and have been in bed for a long time. You hear a knock at the door and you thi...

emmetropia - ANSWER normal refraction presbyopia - ANSWER natural elasticity of the lens is lost w/ age. Lens is unable to assume more spherical shape for viewing near objects. requires a convex lens hyperopia - ANSWER farsightedness, eyeball is too short, light rays converge toward a point behind the retina. requires a convex lens myopia - ANSWER nearsightedness, eyeball is too long, light rays hit in the front of the retina. requires a concave lens. astigmatism - ANSWER irregular c...