3 layers of heart wall - Study guides, Class notes & Summaries

A&P 2 Exam 2The pump of the cardiovascular system is known as the ________. - correct answer heart True or False: The average human heart weighs less than a pound. - correct answer True The heart sits _______ to the left. - correct answer 2/3 The ________ (the "sac") is a protective membrane that covers the heart. - correct answer pericardium The outer fibrous pericardium consists of what kind of cells? - correct answer dense irregular epithelial tissue What are the layers of t...

the major functions of the heart: -generation of blood pressure -routing of the blood -ensuring one-way blood flow -regulation of the blood supply The adult heart is roughly the size of clenched fist an average mass of 250g in females, 300 g in males the rounded point of the heart is called the apex the larger, flat part of the heart is called the base The heart is located in the Mediastinum of the thoracic cavity Effective cardiopulmonary resuscitatio...

WGU D236 PATHOPHYSIOLOGY FINAL EXAM 300+ REAL EXAM QUESTIONS AND VERIFIED ANSWERS WITH RATIONALES LATEST UPDATE 2023 Describe how your body responds to an infection. - ANSWER- T cells produce cytokines, which stimulate B cells. B cells produce antibodies. Identify role of DNA changes in congenital abnormalities. - ANSWERMutations in genes or chromosomal abnormalities How does development disrupts congenital abnormalities? - ANSWERAlterations of DNA Describes factors that disrupt homeo...

Physio Exam 3 pericardium - ANSWER-tough membranous sac enclosing the heart parietal pericardium - ANSWER-outer layer of the pericardium pericardial cavity - ANSWER-contains fluid for the heart to float in, reducing friction visceral pericardium - ANSWER-membrane on the surface of the heart pericardium functions - ANSWER-1) cushion 2) space for heart movement 3) prevent heart overexpansion (overfill with blood) 4) reduce friction generated by heart beating 5) physical barrier to pathog...

Pericardium o :# a fluid filled sac that covers the heart and helps protect it against infection and trauma. fibrous pericardium o :# The outermost layer of the pericardium serous pericardium o :# The innermost layer of the pericardium, it is made up of two layers parietal layer o :# first layer of the serous pericardium that lines the inside of the fibrous pericardium Visceral layer o :# the layer that adheres to the outside of the heart. Visceral layer o :# is also the epicardiu...

HESI RN COMPASS EXIT EXAM V1 1. The nurse is caring for a pre-adolescent client in skeletal Dunlop traction. Which nursing intervention is appropriate for this child? A) Make certain the child is maintained in correct body alignment. 2. The nurse is assessing a healthy child at the 2 year check up. Which of the following should the nurse report immediately to the health care provider? A) Height and weight percentiles vary widely 3. The parents of a 2 year-old child report that he has bee...

Neonatal and Pediatric Respiratory Care Presentation. Embryonic Development of the Lung A. Placental Gas Exchange: 1. The placenta is an organ that connects the developing fetus to the uterine wall to allow nutrient uptake, waste elimination and gas exchange via the mother’s blood supply. 2. The placenta functions as a feto-maternal organ with two components: the fetal placenta, which develops from the same blastocyst that form the fetus, and the maternal placenta, which develops fro...

pulmonary circuit - ANSWER The right side of the heart receives deoxygenated blood from the tissues and pumps it to the lungs through the pulmonary circuit Systemic circuit - ANSWER Receives oxygenated blood from the lungs and pumps it to the tissues via the systemic circuit Heart size and location - ANSWER Size of a persons fist located in the mediastinum between 2nd rib and 5th intercostal space, apex sits on the diaphragm 2/3 of the mass is left of center Anterior to the vertebral colu...

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...

Bio208 Anatomy Blood Vessels and Circulation (Gardner, CSULB)Heart pumps blood by increasing local pressure As blood travels through circulatory system, it encounters: friction Blood Vessel Types • Arteries- Carry Blood Away From Heart • Arterioles- Are Smallest Branches Of Arteries • Capillaries- Are Smallest Blood Vessels (Location Of Exchange Between Blood & Interstitial Fluid) • Venules- Collect Blood From Capillaries • Veins- Return Blood To Heart Blood Vess...