Classrep2

C - ANSWERThe diagram below shows an internal view of the mammalian heart with the atria removed so valves can be seen. Which of the valves, labelled A to D, is pushed open by oxygenated blood entering a ventricle? A - ANSWERThe hydroxyl (-OH) group of carbohydrates is polar and makes the molecule soluble in water. The greater the number of free hydroxyl groups as a proportion of the number of carbon atoms, the more soluble the carbohydrate. Which of the rows, A to D, lists the carbohydrat...

A normal resting heart rate is determined by a. the parasympathetic nervous system b. the sympathetic nervous system c. neither the parasympathetic nor the sympathetic nervous system d. a combination of parasympathetic and sympathetic nervous systems - ANSWERa. the parasympathetic nervous system Cardiac muscle cells are all of the following EXCEPT a. multinucleated, like skeletal muscle b. linked by intercalated discs c. branched d. stimulated involuntarily - ANSWERa. multinucleated,...

Practice Exam - ANSWER== 20 questions == Valves are found _________________________ - ANSWERin the heart and in the veins The driving force of blood flow is a(n) __________ gradient - ANSWERpressure Vascular resistance is related to the _________________________ A ) length of the blood vessel B ) diameter of a blood vessel C ) nature of the blood vessel ( turbulent & lamellar ) D ) viscosity of the blood E ) A, B, C, & D - ANSWERE ) A, B, C, & D As blood vessel length increases ...

Label a diagram of the external structure of the heart - ANSWERSee picture. Label a photograph of the external structure of the heart - ANSWERSee picture. Label a diagram of the internal structure of the heart - ANSWERSee picture. Label a photograph of a cross-section of the heart - ANSWERSee picture. Explain why the heart is called a "double pump" - ANSWER- consists of two pumps, joined and working together - deoxygenated blood from blood flows to right side of heart, which p...

Another name for the circulatory system is the ____________ - ANSWERcardiovascular The main organ in the circulatory system is the _______________ - ANSWERheart The heart is about the size of your ___________ - ANSWERfist The kind of muscle your heart is made of is ___________ - ANSWERcardiac The heart's two upper chambers are called

superior vena cava - ANSWERa large vein carrying deoxygenated blood into the heart aorta - ANSWERthe main artery of the body, supplying oxygenated blood to the circulatory system right pulmonary veins - ANSWERresponsible for carrying oxygenated blood from the lungs back to the left atrium of the heart pulmonary artery - ANSWERthe artery carrying blood from the right ventricle of the heart to the lungs for oxygenation

Which of the following represents an effective nursing intervention to reduce cardiac demands and decrease cardiac workload? Choose all that apply. 1) Clustering nursing care to provide for periods of uninterrupted rest. 2) Developing and implementing a developmentally appropriate plan of care as tolerated. 3) Feeding the infant over a longer period of time. 4) Allowing the infant to have his or her own way to avoid conflicts. - ANSWER1 and 2 Defects associated with tetralogy of F...

In mammals, heart size tends to be proportional to body weight while heart rate is inversely proportional to body weight. What is the most probable explanation for pygmy shrews having unusually large hearts but an unusually slow heart rate? a. Pygmy shrews are very active so they need large hearts. b. It is possible that the heart rate of shrews has reached its absolute limitation, so a large heart can pump more blood with each beat. c. Since pygmy shrews are tiny, their heart size differ...

Which of the following is not within the normal range? A: cardiac output of 5.6L for men and 4.9L for women B: stroke volume of 50-100mL C: blood pressure <120mmHg/<80mmHg D: WHR of 1-1.5 in men and 0.85-1 in women E: all of these are considered normal - ANSWERD Which of the following is not part of the diagnosis for metabolic syndrome? A: Triglycerides >150mg/dl (1.7mmol) B: HDL cholesterol <40mg/dl (1.0mmol) in men and <50mg/dl (1.3mmol) in women C: fasting glucose &g...

How do you detect something is wrong with the Heart? - ANSWERMarker that is released by the heart. A marker that is released in response to damage. A marker that is measurable. A marker that is not detectable in health. What is the Heart? - ANSWERA muscle which acts as a pump to transport blood around the body. What could be used as a marker