Quiz
ABG Lecture
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Perguntas do quiz (22)
1Blood gas data does not assess which of the following processes?
- AOxygenation
- BVentilation
- CAcid-base balance
- DPerfusion
2When has a person has acidemia, the H* ion concentration in the blood is [blank_start]increased[blank_end] while in alkalemia, the H* ion concentration in the blood is [blank_start]decreased[blank_end].
- Aincreased
- Bdecreased
3Base excess has a normal value of [blank_start]zero[blank_end]. A negative value of base excess indicates metabolic acidosis while a positive value indicates metabolic alkalosis.
- Azero
- Bpositive
- Cnegative
- D1
4A pH of 7.0 is what amount of hydrogen ions?
- A1,000
- B100
- C40
- D10
5Which is the first line of defense to maintain homeostasis?
- ABicarbonate
- BHemoglobin
- CProtein
- DPhosphate
6[blank_start]Protonation[blank_end] is when an acid donates H* to the base.
- AProtonation
7Which of the following pKa values would be the strongest acid?
- A50
- B25
- C10
- D-5
8Label the steps of the following in the bicarbonate buffer system.
[blank_start]1[blank_end] Carbon dioxide combines with water
[blank_start]4[blank_end] H* and bicarbonate products are formed
[blank_start]2[blank_end] Carbonic acid is formed
[blank_start]3[blank_end] Carbonic acid dissociates- A1
- B2
- C3
- D4
9This image is an example of the [blank_start]Henderson-Hasselbach equation[blank_end].
- AHenderson-Hasselbach equation
10According to the Henderson-Hasselbach equation, pH is [blank_start]positively[blank_end] related to bicarb and [blank_start]inversely[blank_end] related to PaCO2.
- Apositively
- Binversely
11Hemoglobin protein can reversibly bind either to H* (the protein) or 02 (to the Fe of the heme group). When one substance is bound, the other is [blank_start]released[blank_end].
- Areleased
12What's another word for a hamburger shift?
- AChloride shift
- BPotassium shift
- CSodium shift
- DBicarbonate shift
13What chemoreceptor is responsible for 85 percent of the ventilatory response to increased PaC02?
- APeripheral
- BCentral
- CAfferent
- DEfferent
14The proximal tubules of the kidneys regulate what?
- AH* levels
- BPlasma bicarbonate levels
- COxygen levels
15What medication inhibits carbonic anhydrase inhibitors, which impairs bicarb absorption?
- AAcetazolamide
- BLasix
- CDiuril
16A compensatory response to acid-base disturbances is in the [blank_start]same[blank_end] direction as the disturbance.
- Asame
17What is the threshold pH that indicates need for intubation?
- A7.3
- B7.2
- C7.1
- D7.0
18With metabolic alkalosis with chronic respiratory acidosis, you should avoid mechanical hyperventilation.
- AVerdadeiro
- BFalso
19Fill in the equation for an anion gap:
AG = [blank_start]Na[blank_end] - ([[blank_start]Cl[blank_end]] - [[blank_start]HCO3[blank_end]])- ANa
- BK
- CCl
- DHCO3
- ECl
- FK
- GNa
- HHCO3
- IHCO3
- JNa
- KCl
- LK
20Which of the following are indicators of the severity of metabolic acidosis? (Select all that apply)
- ABase deficit
- BLactate levels
- CpKa levels
- DBicarb levels
21What is the calculation for sodium bicarbonate resuscitation in metabolic acidosis?
Base deficit X patient weight in kilograms X WHAT? = mEq of NaCHO3; Divide this dose in half and re-test after initial dose.- A0.1
- B0.3
- C0.5
- D0.7
22Transfusing large volumes of blood can cause metabolic acidosis.
- AVerdadeiro
- BFalso
Informações
- Descrição
- These are questions from the ABG Lecture
- Autor
- Rachel Nall
- Idioma
- English
- Visualizações
- 35
- Avaliação
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