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RIO SALADO BIO 202 EXAM 1 PREP 2024
LATEST UPDATED QUESTIONS WITH CORRECT
ANSWERS GRADED A+ |VERIFIED FOR
LEARNERS
A hormone not involved in glucose metabolism is ...ANS: Aldosterone A hypodermic injection of epinephrine would ...ANS: Increase heart rate, increase blood pressure, dilate the bronchi, and decrease peristalsis Absence of thyroxine would result in ...ANS: Depression of the CNS and lethargy Aldosterone ...ANS: Causes reabsorption of sodium ions by the kidneys Aldosterone and antidiuretic hormone ...ANS: Involved in water balance; cause the kidneys to conserve water All of the following are true of RBCs except
A. biconcave disc shape B. Life span of approx. 120 days C. Contain hemoglobin D. Contain nuclei ...ANS: Contain nuclei An ECG provides information about ...ANS: Movement of the excitation wave across the heart Antidiuretic hormone and oxytocin ...ANS: Secreted by the neurohypophysis Arterial blood pressure increases in response to ...ANS: Increasing stroke volume, increasing heart rate, arteriosclerosis and rising blood volume Atrial natriuretic peptide secreted by the heart has exactly the opposite function of this hormone secreted by the zone glomerulosa: ...ANS: Aldosterone Blood flow in the capillaries is steady despite the rhythmic pumping of the heart because of the ...ANS: Elasticity of the large arteries
If there is adequate carbohydrate intake, secretion of insulin results in ...ANS: Lower blood glucose levels, increased cell utilization of glucose, and storage of glycogen In atherosclerosis, which layer of the vessel wall thickens most? ...ANS: Tunica intima In the heart, which of the following apply? ...ANS: Action potentials are conducted from cell to cell across the myocardium via gap junctions, the SA node sets the pace for the heart as a whole, and spontaneous depolarization of cardiac cells can occur in the absence of nerve stimulation Luteinizing hormone ...ANS: Tropic hormone that stimulates the gonads to secrete sex hormones Origin of femoral arteries ...ANS: External iliac artery Oxytocin ...ANS: Increases uterine contractions during birth Parathyroid hormone ...ANS: demineralizes bone and raises blood calcium levels
Peripheral resistance.. ...ANS: Is inversely related to the diameter of the arterioles Prolactin ...ANS: Stimulates milk production Second branch of aortic arch ...ANS: Left common carotid artery Smooth muscle in the blood vessel wall ...ANS: Is mostly circularly arranged Some hormones act by ...ANS: Increasing the synthesis of enzymes, converting an inactive enzyme into an active enzyme and affecting only specific target organs Suppose that at a given point along a capillary, the following forces exist: capillary hydrostatic pressure= mm Hg, interstitial fluid hydrostatic pressure=0 mm Hg, capillary colloid osmotic pressure=2 mm Hg. The net filtration pressure at this point in the capillary is ...ANS: 7 mm Hg
The baroreceptors in the carotid sinus and aortic arch are sensitive to ...ANS: Changes in arterial pressure The blood cell that can become an antibody-secreting cell is the ...ANS: Lymphocyte The blood volume in adults averages approximately ...ANS: 5 L The chordae tendineae ...ANS: Prevent the AV flaps from everting The fact that the left ventricular wall is thicker than the right reveals that it ...ANS: Pumps blood against greater resistance The hormonal stimulus that prompts red blood cell formation is ...ANS: Erythropoietin The major stimulus for release of parathyroid hormone is ...ANS: humoral
The most numerous WBC is the ...ANS: Neutrophil The myocardium receives its blood supply directly from ...ANS: The coronary arteries The normal pH of the blood is about ...ANS: 7. The portion of the intrinsic conduction system located in the interventricular septum is the ...ANS: AV bundle The sequence of contraction of the heart chambers is ...ANS: Both atria followed by both ventricles The structure of a capillary wall differs from that of a vein or an artery because ...ANS: It has a single tunic- only the tunica intima The white blood cell that releases histamine and other inflammatory chemicals is the ...ANS: Basophil Tracing the blood from the heart to the right hand, we find that blood leaves the heart and passes through the aorta, the right subclavian artery, the axillary and brachial arteries, and through either the radial or ulna
B. factor XI C. Thrombin D. Ca ...ANS: Factor XI Which of the following would not result in the dilation of the feeder arterioles and opening of the pre capillary sphincters in systemic capillary beds? ...ANS: A local increase in pH Which statement does not accurately describe veins? A. They have less elastic tissue and smooth muscle than arteries B. They contain more fibrous tissue than arteries C. Most veins in the extremities have valves D. Thy always carry deoxygenated blood ...ANS: They always carry deoxygenated blood
