Principles of Human Physiology (6th Edition)
6th Edition
ISBN: 9780134169804
Author: Cindy L. Stanfield
Publisher: PEARSON
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Chapter 17, Problem 36E
Barbiturate overdoses cause respiratory depression. Describe what happens to the partial pressures of oxygen and carbon dioxide in arterial blood following an overdose What happens to the pH? Will respiratory acidosis or alkalosis result? What would you do to treat someone following a barbiturate overdose?
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Mr. Jones has COPD, an obstructive respiratory disorder. An arterial blood gas (ABG) sample was taken and she had an elevated arterial PCO2. Answer the following questions:
What happens to H+ concentrations?
What happens to pH?
What type of acid-base imbalance is created? (Hint: Select one of these choices: metabolic acidosis, metabolic alkalosis, respiratory acidosis, or respiratory alkalosis)
What type of compensation occurs?
What does the body do during this type of compensation?
A patient exhibits the following blood characteristics.
pH = 7.49
P co2 = 50
HCO3- = 29 mEq/L
What is the likely condition?
respiratory acidosis
respiratory alkalosis
metabolic acidosis
metabolic alkalosis
Case Study: Bob is a 64-year-old male admitted to the emergency room for asthma. His laboratory results are as follows: pH 7.31, pCO2 higher than normal, and total HCO3– also higher than normal. Classify his acid-basebalance as acidosis or alkalosis, and as metabolic or respiratory. Is there evidence of compensation? Propose the mechanism by which asthma contributed to the lab results seen.
Chapter 17 Solutions
Principles of Human Physiology (6th Edition)
Ch. 17.2 - Prob. 17.1.1QCCh. 17.2 - If the cells of the body consume 300 mL of oxygen...Ch. 17.2 - Prob. 17.1.3QCCh. 17.3 - Prob. 1CTQCh. 17.3 - Prob. 2CTQCh. 17.3 - Prob. 3CTQCh. 17.3 - Prob. 17.2.1QCCh. 17.3 - Prob. 17.2.2QCCh. 17.3 - Prob. 17.2.3QCCh. 17.3 - What happens to alveolar
when a person...
Ch. 17.4 - Prob. 1CTQCh. 17.4 - Explain the cause of pulmonary edema, and how it...Ch. 17.4 - How are the symptoms of pulmonary edema treated?
Ch. 17.4 - Prob. 17.3.1QCCh. 17.4 - Prob. 17.3.2QCCh. 17.4 - Prob. 17.3.3QCCh. 17.5 - Prob. 17.4.1QCCh. 17.5 - Prob. 17.4.2QCCh. 17.5 - Prob. 17.4.3QCCh. 17.6 - Prob. 17.5.1QCCh. 17.6 - Which stimuli activate the peripheral...Ch. 17.7 - Prob. 17.6.1QCCh. 17.7 - What effect does a decrease in
in the...Ch. 17.7 - Prob. 17.6.3QCCh. 17.8 - Prob. 17.7.1QCCh. 17.8 - Prob. 17.7.2QCCh. 17 - Prob. 1ECh. 17 - Prob. 2ECh. 17 - Prob. 3ECh. 17 - Which of the following does not affect alveolar...Ch. 17 - During hyperventilation, which of the following...Ch. 17 - Prob. 6ECh. 17 - Prob. 7ECh. 17 - Prob. 8ECh. 17 - Prob. 9ECh. 17 - Prob. 10ECh. 17 - Prob. 11ECh. 17 - Prob. 12ECh. 17 - Which of the following areas of the brain contain...Ch. 17 - Prob. 14ECh. 17 - Prob. 15ECh. 17 - Prob. 16ECh. 17 - Prob. 17ECh. 17 - Prob. 18ECh. 17 - Prob. 19ECh. 17 - Prob. 20ECh. 17 - Prob. 21ECh. 17 - Prob. 22ECh. 17 - Prob. 23ECh. 17 - (Central/Peripheral) chemoreceptors respond...Ch. 17 - Coughing is triggered by stimulation of pulmonary...Ch. 17 - In respiratory acidosis, arterial is...Ch. 17 - 27. An increase in the
of alveolar air would be...Ch. 17 - Prob. 28ECh. 17 - Prob. 29ECh. 17 - Sketch a hemoglobin-oxygen dissociation curve, and...Ch. 17 - Prob. 31ECh. 17 - Prob. 32ECh. 17 - Prob. 33ECh. 17 - Prob. 34ECh. 17 - Prob. 35ECh. 17 - Barbiturate overdoses cause respiratory...Ch. 17 - Prob. 37E
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- Table 1: Arterial blood gas concentration in patient Two hours after aspirin ingestion Ten hours after aspirin ingestion Normal values Partial Pressure CO2 26 mm Hg 19 mm Hg 35-45 mm Hg Partial Pressure O2 113 mm Hg 143 mm Hg 75-100 mm Hg Bicarbonate [HCO;] 18 mM 21 mM 22-26 mM pH 7.44 7.55 7.35-7.45 Blood salicylate concentration, mg/dL 57 117arrow_forwardAn unconscious patient is delivered to emergency room. His blood gases are obtained: pH = 7.09, HCO3- = 15 mEq/L, pCO2 = 50mmHg. What type of acid-base disorder this patient has? Why is he unconscious?arrow_forwardA client with multiple medical issues has the following ABG results: pH: 7.50 PCO2: 41 HCO3: 32 P02: 96 What is your interpretation of this result? O respiratory acidosis O metabolic acidosis metabolic alkalosis O respiratory alkalosisarrow_forward
- Hypercapnia is consistent with which of the following conditions? O A. Alkalemia B. Acidemia OC. Hyperventilation O D. a blood pH of 7.4 OE. Elevated blood capsaicinarrow_forwardMicky Mango is a 64-year-old male admitted to the emergency room for asthma. His laboratory results are as follows: pH 7.31, pCO2 higher than normal, and total HCO3– also higher than normal. Classify his acid-base balance as acidosis or alkalosis, and as metabolic or respiratory. Is there evidence of compensation? Propose the mechanism by which asthma contributed to the lab results seen.arrow_forwarda 86 years old women brought to emergency room with these readings :PH = 7.22 (normal :7.35-7.45) , PaCO2 = 9.6 mmHg ( normal: 35-45) ,HCO3- = 3.9 mmol/l ( normal : 22-26) .. she complains from : A) Metabolic acidosis. B)Respiratory acidosis. C)Metabolic alkalosis. D)Respiratory alkalosis.arrow_forward
- 1) Identify the lab value of Yusef's bicarbonate ion level in mEq/Liters. Only type in numbers, no letters (type out your number to zero places after the decimal point. i.e 8 or 18) pH = 7.68 PaCO2 = 21 mmHg 2) His condition is : 3 answers required: respiratory or metabolic acidosis or alkalosis uncompensated or partial compensation Group of answer choices respiratory metabolic acidosis alkalosis uncompensated partial compensationarrow_forwardDuring the treatment for COVID-19, one complication includes an increase of CO2 in the lungs. This buildup of CO2 can result in a serious condition called respiratory acidosis if the level of H+ significantly changes. If the pH drops by 1 unit, what has happened to the H+ concentration?arrow_forwardWhen travelling high altitude, one of the problem is alkalosis of the blood. Remember the equation for acid balance: CO2 + H2O ⇌ H2CO3 ⇌ HCO3− + H+ If there is a low amount of CO2 outside, then greater CO2 than normal will diffuse out of the lungs. This will cause the blood to become more basic. To counteract the problem, a drug may be taken to both lower the blood pressure and help correct the pH. To do this, it blocks a symporter of HCO3- and Na+ in the proximal tubule of the kidney. Q: How would blocking transport of HCO3- help to lower the pH of the blood?arrow_forward
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