Anatomy and Physiology Questions

The fibrous skeleton of the heart is important because it helps guide the blood into the proper chambers in sequence. forces electrical activity to be conducted through the atrioventricular node. directs the flow of blood into the arteries. transmits electrical activity from the atria to the ventricles.

Chemokines are a group of small proteins that potentiate specific immune responses. function as chemoattractants for phagocytes and lymphocytes. attract T cells, phagocytes, and lymphocytes, as well as potentiate specific immune responses. attract T cells to sites of injury.

Which of the following contains pedicels? visceral layer of Bowman's capsule parietal layer of Bowman's capsule basement membrane of the glomerulus endothelium of the glomerulus

ECGS (AKA EKGs) are most useful in diagnosing heart murmurs. show the summed electrical activity generated by all cells of the heart. have two major components: waves and nodes. provide direct information about the heart function. measure the mechanical activity of the heart.

Ventricular contraction begins just after the Q wave. just after the T wave. during the first part of the P wave. None of the answers are correct. during the latter part of the P wave.

What is the percentage of glucose that is normally reabsorbed in the proximal tubule? 50 % 65 % 100 % 25 % 0%

Pulmonary arteries is a vessel that transports blood toward the heart. A and D transports blood away from the heart. carries highly deoxygenated blood. B and C carries highly oxygenated blood.

According to the Frank-Starling law of the heart, the cardiac output is directly related to the venous return. heart rate. end-systolic volume. thickness of the myocardium. size of the ventricle.

Angela has been exercising outside in the hot sun for several hours. As a result, she becomes dehydrated. Which of the following statements accurately describes her body's response to her dehydration? Her urine volume increases. Her body secretes less ADH. Her body secretes more ADH.

The mean arterial pressure of a person with a blood pressure of 128/68 would be 60 68 88 76

When venous return is increased, stretch receptors in the atria of the heart are activated. This results in decreased vasopressin secretion. increased glomerular filtration. increased vasopressin secretion. increased thirst. decreased urine production.

Respiratory acidosis is a result of an increase in the H+ in the blood a decrease in H+ in the blood a decrease in H+ in the blood and an increase in blood pH an increase in blood pH

Which is NOT how does the circulatory system function in a protective role in the body? Delivers leukocytes to areas of inflammation and infection Prevents blood loss through clotting Leukocytes fight infection It makes renin.

Intrapleural pressure ------ during expiration. increases decreases remains unchanged

Which stimulus(stimuli) will activate production and release of erythropoietin? All of the choices are correct. Low amount of hemoglobin B and C only Decreased blood oxygen levels Low RBC count

A sample of glomerular filtrate is analyzed immediately after it is formed. Which of the following will NOT be found in this filtrate under normal circumstances? glucose urea red blood cells water

During inspiration, the diaphragm relaxes transpulmonary pressure increases alveolar pressure exceeds atmospheric pressure intrapulmonary pressure is less than atmospheric pressure

Podocytes are associated with the visceral layer of Bowman's capsule proximal tubule parietal layer of Bowman's capsule collecting duct loop of Henle

The transport maximum is the greatest percentage of plasma entering the glomerulus that can become filtrate. upper limit of reabsorption due to saturation of transport proteins. steepest any concentration gradient can become. highest the glomerular filtration rate can increase without inhibiting kidney function.

Which of the following is actually part of the kidney? adipose capsule renal capsule renal fascia

Fine-tune reabsorption of water occurs in which of the following regions? loop of Henle late distal tubule and collecting duct early distal tubule proximal tubule

Which aspect of Upton Sinclair's life best explains his reasons for writing The Jungle? his lack of sympathy for the working class his pro-capitalism views his lack of education his socialist politics

The --------- the diameter of a vessel, the faster the velocity of blood flow. A. smaller B. larger

When pressure in the left ventricle is greater than pressure in the aorta: A. the aortic semilunar valve opens. B. there is no blood flow out of the ventricle. C. the left atrio-ventricular (AV) valve opens. D. All of these are correct.

Gap junctions are found at the dark-staining ------- between cardiac myocytes. A fasciae adherens B. functional syncytium C. mitochondria D. sarcoplasmic reticulum E. intercalated disks

If you gave a patient an L-type Ca++ channel blocker, this would cause a ------ inotropic effect. If you gave a patient an adrenergic Beta-blocerk, this would cause a ------- inotropic effect. A. negative; negative B. positive; positive C. positive; negative D. negative; positive

The ORDER of structures encountered by a RBC returning from the lungs to the heart would be: A. pulmonary veins, left atrium, left AV valve, left ventricle, pulmonary valve, pulmonary trunk B. pulmonary veins, left atrium, left AV valve, left ventricle, aortic valve, aorta C, pulmonary veins, left atrium, aortic valve, left ventricle, left AV valve, aorta D. pulmonary arteries, left atrium, left AV valve, left ventricle, aortic valve, aorta

Pressure information is communicated from the aortic arch to the Nucleus Tractus Solitarius via the A. vagus nerve B. facial nerve C. hypoglossal nerve D.glossopharyngeal nerve

The conduction and pacemaker system consists of -------- and therefore the human heart is -------. A. neurons; neurogenic B. cardiac myocytes; myogenic C. neurons; myogenic D. cardiac myocytes; neurogenic

Which type of capillary is most permeable? Papillary Sinusoidal Continuous Fenestrated

Plasma minus the clotting factors equals? A. Antibodies B. Serum C. Platelets D. Hematocrit

What vessels supply the heart tissue with nutrients? A. Thoracic aorta B. Coronary arteries C. The heart doesn't need its own blood supply since blood constantly flows though it D. Common carotid artery E. Superior vena cava

Where does the thoracic duct empty lymph back into circulation? A. Left subclavian vein B. Right subclavian vein C. Superior vena cava D. Right common carotid artery

What tissue is found in the tunica media of a blood vessel? A. Cardiac muscle B. Smooth muscle C. Endothelium D. Glandular mucosa E. Skeletal muscle

What does the first heart sound represent? A. The closing of the semilunar valves B. The contraction of the heart muscle C. The blood flowing though the atrioventricular valves D. The closing of the atrioventricular valves

Which type of capillary is found in bone marrow? A. Continuous B. Fenestrated C. Sinusoidal D. Papillary

What is the function of valves? Push the blood toward the heart Change the diameter of the vessel lumen Prevent backflow of blood Increase peripheral resistance

Which part of the cardiac conduction system is the pacemaker of the heart? Perkinje fibers AV node Bundle of His SA node Left and right bundle branches

Which of the following vessels contain valves? Arterioles Veins Arteries Capillaries

The 3 vessels that arise from the arch of the aorta, in order, are the: , and

Discussion Question 1: Discuss the ideas outlined in the passage about this existential question: Who Am I and What Can I Be? What is an identity crisis? Have you had one?

Which of the following acts as a shunt, allowing freshly oxygenated blood to bypass the fetal liver and flow directly into the inferior vena cava? Foramen ovale Ductus arteriosus Ductus venosus Ductus livermentum

Flow through the heart and lungs as a red blood cell, beginning in the Vena Cava and ending in the systemic circulation. Please include all vessels, chambers and valves along the way. Superior and Inferior Vena Cava ➡Lungs➡ Systemic circulation

Give the function/purpose of the following terms: a. chorion b. chorionic villi c. trophoblast d. amniotic sac e. amniotic cavity f. inner cell mass g. germ layers h. ectoderm i. mesoderm j. endoderm k. blastocyst I. yolk sac

Max is agitated, clenches her jaw, and is unable to remember her address. The clinician takes careful note of Max's symptoms and behaviors, which are also known as the presenting problem emerging diagnosis underlying problem clinical diagnosis

Describing a disorder as acute means that it causes very severe distress and impairment it causes very mild distress and impairment it is a very long-lasting disorder it is a disorder that is short in duration

The main component of the assessment process is a physical examination an assessment of the global level of functioning the administration of the MMPI a clinical interview

In ancient societies, if a person's abnormal conduct consisted of speech that appeared to have a religious or mystical significance, then the person was shunned from society and thought to be possessed by an evil spirit considered a witch Otreated with respect assumed to have a heart defect

Which of the following is an example of family aggregation? Both Jasna and her husband are alcoholics. Jim and John, 21-year-old friends, are both diagnosed with anxiety. Alla, her mother, and her grandmother have all been diagnosed with major depressive disorder. Kim committed suicide, apparently in reaction to her mother's abuse.

Which of the following individuals is most likely to fear the stigma of mental illness, and thus refrain from seeking medical treatment? Kristen, a 32-year-old female Steven, a 54-year-old male Sara, a 47-year-old female Sam, a 21-year-old male