Practice Questions with Verified
Answers | Latest Edition
1. Labs - ANSWER HCT - ~45
HGB - 12-18
PTT - 30-40
PT - 11-12
2. Hyponatremia S/S - ANSWER Anorexia, N/V, Weakness, Lethargy,
Confusion, Fatigue, Lightheadedness, ortho hypo
3. manifestations of respiratory acidosis - ANSWER - tachycardia (severe is
bradycardia), tachypnea, hypertension
- anxiety, irritability, confusion, coma
- ineffective, shallow, rapid breathing
- pale or cyanotic
4. nursing care for a patient with respiratory acidosis - ANSWER - oxygen
therapy
- maintain patent airway
- positioning and breathing techniques
5. what causes respiratory alkalosis - ANSWER hyperventilation
6. what causes hyperventilation - ANSWER - fear, anxiety, intracerebral
trauma, excessive mechanical ventilation
, - hypoxemia from asphyxiation, high altitudes, shock, pneumonia
7. lab values for respiratory alkalosis - ANSWER PaCO2: less than 35
pH: greater than 7.45
HCO3: less than 24
8. lab values for respiratory acidosis - ANSWER PaCO2: greater than 45
pH: less than 7.35
HCO3: greater than 28
9. manifestations of respiratory alkalosis - ANSWER - tachypnea
- inability to concentrate, numbness, tingling
- tachycardia, dysrhythmias
- rapid deep respirations
10.nursing care for respiratory alkalosis - ANSWER - oxygen therapy
- anxiety reduction interventions
- rebreathing techniques
11.what causes metabolic acidosis - ANSWER - diabetic ketoacidosis
- starvation
- heavy exercise, seizure activity, hypoxia
- liver failure
- diarrhea
12.lab values for metabolic acidosis - ANSWER pH: less than 7.35
HCO3: less than 24
PaCO2: greater than 35
,13.manifestations of metabolic acidosis - ANSWER - dysrhythmias
- bradycardia, weak pulses, hypotension, tachypnea
- headache, drowsiness, confusion
- rapid deep respirations (kussmaul)
14.Hypernatremia S/S - ANSWER Ortho hypo, Tachy, Restlessness,
Irritability, Twitching, Seizure
15.Hypokalemia S/S - ANSWER Lethargy, Hyperactive GI, Shallow
Breathing, Abdominal Distension
16.Hyperkalemia S/S - ANSWER Restlessness, Muscle Weakness, Parathesia,
Hyperactive GI, Diarrhea, Oliguria
17.Hypocalcemia S/S - ANSWER Parathesia, Twitching, Hyper DTR,
Chvosteks, Trousseau, Hyperactive GI
18.Hypomagnesemia S/S - ANSWER Hyper DTR, Paresthesia, Tetany,
Seizures, Chvosteks, Trousseau, Hypoactive GI
19.Globus - ANSWER feeling of something in the back of the throat
20.Newborn Hypothermia S/S - ANSWER Apnea, Cyanosis, Hypoglycemia,
Feeding Intolerance, Lethargy, Irritability, Brady
21.Graves - ANSWER hyperthyroidism
, 22.5 P's of compartment syndrome - ANSWER pain, pallor, pulselessness,
paralysis, paresthesia
23.what does pH tell you - ANSWER the expression of the balance between
carbon dioxide and bicarbonate
24.what causes a lower pH in the body - ANSWER the greater the
concentration of hydrogen, the more acidic the body fluids
25.what causes a higher pH in the body - ANSWER the lower the
concentration of hydrogen, the more alkaline the body fluids
26.hyperventilation and hydrogen ions - ANSWER causes a decrease in
hydrogen ions
27.hypoventilation and hydrogen ions - ANSWER causes an increase in
hydrogen ions
28.normal pH for the blood - ANSWER 7.35-7.45
29.what causes respiratory acidosis - ANSWER hypoventilation
what causes hypoventilation - ANSWER - respiratory depression from opioids,
poisons
- brain tumors, stroke, trauma
- muscle weakness, flail chest, obesity, sleep apnea
- airway obstruction
- pneumothorax