Indicate for each of the following if it is more likely to

A C E D B he above figure represents an electrocardiogram or ECG Use this figure to answer the following questions a Which ECG component A B C D or E represents the time required for the electrical impulse to travel f the AV node b Does the ECG provide information on valve function YES or NO

A B 2 points Save The picture above is the base of a sheep s heart that has been previously dissected Two major vessels are labeled A and B Use this picture to answer the following questions Be sure to use the appropriate scientific names for all structure for question a and the terms given as the answer choices for question b a What is the name of the remnant of the ductus arteriosum that once connected vessels A and B b What type of blood is transported by vessel B oxygenated or deoxygenated

O Increased secretion of mucous 10 1 point Which of the following mutations would prevent neutrophils PMNs from migrating from the blood stream to infected tissues Select all that apply 0000 A mutation in junctions between endothelial cells that makes them more permeable A mutation in cytokine receptors on endothelial cells that renders them non functional A mutation that changes the pH of neutrophil lysosomes A mutation in adhesion molecules or selectins on blood vessel walls that prevents neutrophil binding 11 1 point A typical IgG antibody Select all that apply Has an Fab region that binds to antigens Has 2 chains one heavy chain and one light chain Is Y shaped Has an Fc region that binds to phagocyte

Are the characters interesting You can answer yes or no

Question marks and exclamation points should be placed inside the quotation marks of a short quote if Select one O the author wants to emphasize the punctuation O they are part of the quoted text O the author wants to ask a question or show excitement O they are part of your text

estion 6 Consider this passage from The Phantom of the Opera by Gaston Leroux Which of the following BEST shows that Carlotta is fearless Select one O O O She thought herself at that time the victim of a thousand jealous attempts and went about saying that she had a secret enemy who had sworn to ruin her We shall see she said adding a few oaths in her native Spanish with a very determined air The truth is that if there was a cabal it was led by Carlotta herself against poor Christine who had no suspicion of it When Carlotta heard of the astounding reception bestowed upon her understudy she was at once cured of an incipient attack of bronchitis and a bad fit of sulking against the management and lost the slightest inclination to shirk her duties Carlotta who had a small house of her own in the Rue du Faubourg St Honore rang for her maid who brought her letters to her bed Among them was an anonymous missive written in red ink in a hesitating clumsy hand which ran If you appear to night you must be prepared for a great misfortune at the moment when you open your mouth to sing a misfortune worse than death The letter took away Carlotta s appetite for breakfast She pushed back her chocolate sat up in bed and thought hard It was not the first letter of the kind which she had received but she never had one couched in such threatening terms She thought herself at that time the victim of a thousand jealous attempts and went about saying that she had a secret enemy who had sworn to ruin her She pretended that a wicked plot was being hatched against her a cabal which would come to a head one of those days but she added that she was not the woman to be intimidated The truth is that if there was a cabal it was led by Carlotta herself against poor Christine who had no suspicion of it Carlotta had never forgiven Christine for the triumph which she had achieved when taking her place at a moment s notice When Carlotta heard of the astounding reception bestowed upon her understudy she was at once cured of an incipient attack of bronchitis and a bad fit of sulking against the management and lost the slightest inclination to shirk her duties From that time she worked with all her might to smother her rival enlisting the services of influential friends to persuade the managers not to give Christine an opportunity for a fresh triumph Certain newspapers which had begun to extol the talent of Christine now interested themselves only in the fame of Carlotta Lastly in the theater itself the celebrated

A cross section of a heart from a 45 year old African American male with long standing hypertension who died of a stroke is most likely to show which of following adaptive changes Select one OA Hypertrophy B Hyperplasia OC Dysplasia OD Metaplasia

Supplies a lower limb Major supply to cerebral cortex Branch of abdominal aorta that supplies liver stomach and spleen Gives rise to right common carotid and right subclavian artery Combine to become the basilar artery External iliac artery Brachiocephalic trunk Celiac trunk Vertebral arteries Internal carotid artery

layer s is are responsible for contraction and recoil a Tunica intima b Tunica media c Tunica adventitia d Tunica intima and adventitia Question 2 Structures that cast a shadow a are always directly in front of another structure b either reflect or attenuate the sound beam c show acoustic enhancement d are nonattenuating Question 3 Which anatomic area is NOT demonstrated in a coronal scanning plane image a Medial b Anterior c Inferior

12 13 14 Arterioles Conducting arteries Muscular arteries Elastic arteries 1 point The aorta receives the full force of blood exiting the heart during ventricular systole Which of the following statements best describes the adap anatomy of the aorta Elastic fibers are extensive in the tunica media of the aorta and dampen the pulse pressure generated by the heart The tunica external of the aorta is nearly absent compared to other vessels Smooth muscle is relatively thin in the aorta to increase lumen size and systemic blood flow The aorta s tunica media is thick with dense regular connective tissue to withstand the blood s pressure 1 point Which of the choices below explains why the arterioles are known as resistance vessels The contraction and relaxation of the smooth muscle in their walls can change their diameter Their prime function is the exchange of nutrients and wastes between the blood and tissue cells They distribute blood to various parts of the body They contain a large quantity of elastic tissue 1 point Due to the branching of arteries the type of arteries that would be most numerous would be Arterioles Muscular arteries