True statements about the pH of the extracellular fluid: a. in healthy people it is maintained between 7.4 and 7.5 b. is increased in hypovolaemic shock c. decreases following a cardiac arrest d. influences the binding of drugs to plasma proteins

True statements about the pH of the extracellular fluid:
a. in healthy people it is maintained between 7.4 and 7.5
b. is increased in hypovolaemic shock
c. decreases following a cardiac arrest
d. influences the binding of drugs to plasma proteins
by

1 Answer

Answer :

. influences the binding of drugs to plasma proteins
by

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Last Answer : Answer : C

If someone had a cardiac arrest in a public place and there was an AED available would you be willing to use it?

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How long does it take to recover from cardiac arrest?

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When the post-cardiac surgical patient demonstrates vasodilation, hypotension, hyporeflexia, slow gastrointestinal motility (hypoactive bowel sounds), lethargy, and respiratory depression, the nurse suspects which of the following electrolyte imbalances? a) Hypermagnesemia Untreated hypomagnesemia may result in coma, apnea, cardiac arrest.

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When performing endotracheal suctioning, the nurse applies suctioning while withdrawing and gently rotating the catheter 360 degrees for which of the following time periods? a) 10-15 seconds In general, the nurse should apply suction no longer than 10-15 seconds because hypoxia and dysrhythmias may develop, leading to cardiac arrest. b) 30-35 seconds Applying suction for 30-35 seconds is hazardous and may result in the patient’s developing hypoxia, which can lead to dysrhythmias and, ultimately, cardiac arrest.

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A patient on the dental chair has cardiac arrest. What is INCORRECT, A. Observing the vital signs and check that the air way is clear is at high importance B. Expired air has 15% O2 only, and cardiac compressions achieve 30-40% of cardiac output C. Intermittent positive pressure at the rate of 40/min will reduce the chances of cerebral hypoxia D. Intermittent positive pressure is better than mouth to mouth when it has been given at the same rate.

Description : A patient on the dental chair has cardiac arrest. What is INCORRECT, A. Observing the vital signs and check that the air way is clear is at high importance B. Expired air has 15% O2 only, ... D. Intermittent positive pressure is better than mouth to mouth when it has been given at the same rate.

Last Answer : C. Intermittent positive pressure at the rate of 40/min will reduce the chances of cerebral hypoxia

Cyanide poisoning causes death in seconds because (1) It denatures enzymes of the heart/muscle (2) It breaks the electron transport chain (3) It causes Lysis of red blood cells. (4) It causes cardiac arrest

Description : Cyanide poisoning causes death in seconds because (1) It denatures enzymes of the heart/muscle (2) It breaks the electron transport chain (3) It causes Lysis of red blood cells. (4) It causes cardiac arrest

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Most hormone receptors are localized on the cell membrane and transduce hormone binding into altered levels of intracellular messengers. A limited number of intracellular receptors do exist. Which of the following statement(s) is/are true concerning intracellular receptors? a. The messengers or hormones must by lipophilic b. These intracellular receptors generally regulate protein synthesis c. The intracellular receptors are located entirely in the nucleus of the cell d. A heat-shock protein serves as an inhibitor protein blocking the DNA-binding domain of the steroid receptor

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Which of the following statement(s) is/are true concerning pharmacologic agents used in the treatment of shock? a. The primary difference between dopamine and dobutamine is the absence of significant a adrenergic activity b. The renal and mesenteric vasoconstrictive effects of norepinephrine complicate and sometimes restrict its use c. The apparent paradoxical use of vasodilators, such as nitroprusside, in shock is indicated as a means to augment cardiac function d. Isoproterenol with its potent b-adrenergic effect, is a particularly useful agent in the treatment of all forms of shock

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Each of the following can produce edema (increased fluid in the interstitial space) EXCEPT C A. Cardiac failure B. Hepatic failure C. Arterial occlusion D. None of these

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When the nurse notes that the post cardiac surgery patient demonstrates low urine output (< 25 ml/hr) with high specific gravity (> 1.025), the nurse suspects: a) Inadequate fluid volume Urine output of less than 25 ml/hr may indicate a decrease in cardiac output. A high specific gravity indicates increased concentration of solutes in the urine which occurs with inadequate fluid volume. b) Normal glomerular filtration Indices of normal glomerular filtration are output of 25 ml or greater per hour and specific gravity between 1.010 and 1.025. c) Overhydration Overhydration is manifested by high urine output with low specific gravity. d) Anuria The anuric patient does not produce urine.

Description : When the nurse notes that the post cardiac surgery patient demonstrates low urine output (< 25 ml/hr) with high specific gravity (> 1.025), the nurse suspects: a) Inadequate fluid volume Urine ... by high urine output with low specific gravity. d) Anuria The anuric patient does not produce urine.

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