ENPC PREP EXAM NEW EDITION 2023-2024 VERIFIED QUESTIONS AND ANSWERS A+ GRADE LATEST UPDATE

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ENPC PREP EXAM NEW EDITION 2023-2024 VERIFIED QUESTIONS AND ANSWERS A+ GRADE LATEST UPDATE At age 85, Lyle's immune system does not respond to vaccines as well as it did when he was younger. The at... rophy of which endocrine gland is likely responsible for this? Thymus Which organ is responsible for synthesizing atrial natriuretic peptide? The heart Mineralcorticoid is to aldosterone as glucocorticoid is to ____. Cortisol One of the least complicated of the endocrine control systems directly responds to changing blood levels of ions and nutrients. What is this mechanism? Humoral stimulation Thyroid hormone enters target cells in a manner similar to _____. steroid hormones Normal development of the immune response is due in part to hormones from the ____. Thymus gland The most important mineralcorticoid regulator of electrolytes in extracellular fluid is _____. Aldosterone Lisa starts to feel hungry and worries her blood sugar level may be dropping. What hormone helps prevent a drop in blood sugar level? Glucagon Steroid hormones exert their action by _____. entering the nucleus of a cell and initiating or altering the expression of a gene Aldosterone _____. functions to increase sodium reabsorption Which of the following is NOT a parathyroid gland mechanism to maintain adequate levels of blood calcium? inhibition of calcitonin synthesis A man has been told he is NOT synthesizing enough FSH and may be unable to father a child. Chose the correct statement to explain this problem. FSH stimulates sperm production in the testes. The single most important regulator of calcium levels in the blood is ____. Parathyroid hormone Oxytocin _____. release is an example of a positive feedback mechanism. ADH _____. secretion is inhibited by alcohol Which of the following is NOT a category of endocrine gland stimulus? enzymatic Virtually all amino acid-based hormones exert their signaling effects through intracellular _____. second messengers The parathyroid glands respond to which type of stimulus? humoral Which hormone is synthesized from cholesterol? testosterone Which synthetic hormone can be administered to help someone adjust to a new time zone? Melatonin The major targets of growth hormone are _____. Bones and skeletal muscles Johanna is significantly shorter than normal for her age. Her doctor recommends hormone treatment before her growth plates ossify in her long bones. Which hormone is recommended? Growth hormone Andrenocorticotropic hormone _____. secretion is regulated by a hypothalamic regulatory hormone Which hormone has only one known effect: to stimulate milk production in the breasts? Prolactin Which anterior pituitary hormone does NOT target another endocrine gland? Growth hormone Chemical substances secreted by the cells into the extracellular fluids are called _____. Hormones The ability of a specific tissue or organ to respond to the presence of a hormone is dependent on _____. The presence of appropriate receptors As a result of stress, the anterior pituitary releases _____ ACTH The mechanism of transportation from hypothalamus to anterior pituitary gland is through the _____. hypophyseal portal system Gloconeogenesis is due to the action of _____. Cortisol The size and shape of a pea; produces hormones that stimulate other endocrine glands Pituitary gland (hypophysis) Is part of the sympathetic nervous system Adrenal medulla Produces hormones that regulate glucose levels in the body Pancreas Primary regulators of blood calcium levels Parathyroid glands Produces the body's major metabolic hormones Thyroid gland Which of the events below does NOT occur when the semilunar valves are open Ventricles are in diastole No visible cytoplasmic granules are present in_______ Monocytes Which of the following is not true regarding fenestrated capillaries Fenestrated capillaries form the blood- brain barrier Which of the following transports for oxygen rich blood Pulmonary vein What do the ductus arterious and the foramen ovale become at birth Ligamentum arteriousum; fossa ovalis Which of the following is nit part of the intrinsic conduction system of the heart Artioventricular (AV) valve An individual who is blood type AB negative can Receive any type of blood in moderate amount except that with the Rh antigen The fact that the left ventricle of the heart is thicker than the right ventricle reveals that it______ Pumps blood against a greater resistances Freds blood was determined to be AB positive. What does this mean? There are no antibodies to A, to B, or to Rh antigens in the plasma The velocity of blood flow is______ slowest in the capillaries because the total cross-sectional area is the greatest The wave of a normal electrocardiogram indicates______ atrial depolarization Hemorrhage with a large loss of blood causes_______ A lowering of blood pressure due to change in cardiac output Which of the choices below is the parent cell for all formed elements of blood Hemocytoblast When neither anti-A serum nor anti-B serum clot on a blood plate with donaor blood, the blood is type___ Blood is type O What is the average normal pH range of blood 7.35-7.43 The baraceptors in the carotid sinus and aortic arch are senaitive to which of the following change in arterial pressure Which of the following is not a phase of hemostasis Fibrinolysis Loss of fibrinogen within the plasma would most likely cause which of the following Loss of blood clotting The foramen ovale________ Connected the two atria in the fetal heart Which of the following recives blood during ventricular sytole Pulmonary arteries only [Show More]

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