Which of the following is mismatched?

Which of the following is mismatched?a. opening of sodium fast channels – depolarizationb. closing of calcium slow channels – plateau phasec. opening of potassium channels – rapid repolarizationd. closure of sodium channels – early repolarizatione. opening of calcium slow channels – plateau phase 8. Turbulence of blood flow through the aortic valve would give rise […]

Identify structure “A” on the heart diagram

Identify structure “A” on the heart diagram.a. left atriumb. aortic semilunar valvec. bicuspid (mitral) valved. right atriume. pulmonary semilunar valve Systemic blood vessels transport blooda. from the left ventricle through the body to the left atriumb. from the left ventricle through the body to the right atriumc. from the right ventricle through the body to […]

Veins that return blood directly to the heart include the?

Veinsa. carry blood away from the heartb. carry blood under very high pressurec. may contain valves and are lined with endotheliumd. are described as strong, rigid vessels that always carry oxygenated bloode. have thick, many layered walls Veins that return blood directly to the heart include thea. brachiocephalic veinb. superior vena cavac. portal veind. azygos […]

The lymphatic system differs from the cardiovascular system in that?

When the blood pressure of a vessel drops below the critical closing pressure for that vessel,a. there is hypertensionb. there is an increase in blood flowc. there is an increase in peripheral resistanced. the vessel collapsese. the vessel expands The lymphatic system differs from the cardiovascular system in thata. the lymphatic system only carries fluid […]

Adaptive immunity is stimulated by?

The structure in the thymus that prevents foreign substances from entering the thymus is the a. thymic corpuscle barrierb. blood-thymic barrierc. surface membrane barrierd. capsular barriere. thymic filter Adaptive immunity is stimulated bya. Antigensb. Histaminesc. Antibodiesd. Complemente. plasma proteins PLACE AN ORDER WITH US TODAY AND GET QUALITY WORK IN NO TIME.

Ventilation refers to the?

What does “A” represent on the diagram?a. spleenb. thymusc. axillary lymph noded. inguinal lymph nodee. thoracic duct Ventilation refers to thea. movement of air into and out of the lungsb. gas exchange between the blood and the tissuesc. transportation of oxygen and carbon dioxide in the bloodd. gas exchange between the air in the lungs […]

Most carbon dioxide is transported in the blood ?

Arrange the following structures in the order air passes through them during inhalation:1: alveolar ducts2: alveolus3: respiratory bronchiole4: terminal bronchiolea. 1, 2, 3, 4b. 2, 1, 3, 4c. 4, 3, 1, 2d. 3, 2, 1, 4e. 4, 3, 2, 1 Most carbon dioxide is transported in the blooda. in the form of bicarbonate ions.b. bound […]

Which of the following is a function performed by the digestive system?

The diagram illustrates the major regulatory mechanisms of ventilation. What mechanism does “B” represent?a. Hering-Breuer reflexb. receptors for touch, temperature, pain stimulic. medullary chemoreceptorsd. carotid and aortic body chemoreceptorse. proprioceptors Which of the following is a function performed by the digestive system?a. cellular respirationb. food selectionc. elimination of undigested foodd. regulation of blood pHe. integration […]

Which of the following represents a mismatch in stomach wall structure?

The tonguea. secretes salivab. plays a major role in swallowingc. contains a lot of connective and lymphatic tissuesd. is attached to the hard palatee. functions in deglutition apnea Which of the following represents a mismatch in stomach wall structure?a. muscularis – two layers; both circularb. rugae – folds of mucosa and submucosac. mucosa – gastric […]

Blockage of the ileocecal valve would prevent?

Blockage of the ileocecal valve would preventa. pancreatic juice from entering the duodenumb. bile from entering the duodenumc. lymph from entering the jejunumd. chyme from entering the ileume. chyme from entering the large intestine Which of the following apply to the small intestine?a. Secretions from the liver and pancreas enter this organb. Segmentation contractions occur […]