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CBR Clinical Skill > Clinical Skill/Critical Care in NC_5 > Flashcards

Clinical Skill/Critical Care in NC_5 Flashcards

1
Q

Each of the following occurs in venous air embolism except a(n)
A. decrease in cardiac output
B. increase in end-tidal pC02
C. increase in pulmonary artery pressure
D. increase in pulmonary vascular resistance
E. ventilation-perfusion mismatch

A

B. increase in end-tidal pC02

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2
Q

The most sensitive noninvasive monitor of venous air embolism is
A. auscultation of the chest with a stethoscope
B. end-tidal pC02
C. end-tidal pN2
D. precordial Doppler
E. pulmonary artery catheterization

A

D. precordial Doppler

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3
Q 
Which EKG change in the anterior leads is the most characteristic finding in
subendocardial ischemia?
A. hyperacute T wave
B. Qwave
C. ST depression
D. ST elevation
E. T wave inversion
A

C. ST depression

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4
Q

Which set of laboratory values is most consistent with hypothyroidism of
hypothalamic or pituitary origin?
A. Decreased thyroid-stimulating hormone (TSH) and decreased free thyroxine (T4)
B. decreased TSH and increased free T4
C. decreased TSH and normal free T4
D. increased TSH and decreased free T4
E. increased TSH and increased free T4

A

A. Decreased thyroid-stimulating hormone (TSH) and decreased free thyroxine (T4)

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5
Q 
Of the following treatment options for hyperkalemia, which one does not alter serum potassium?
A. calcium
B. cation-exchange resins
C. hemodialysis
D. insulin
E. sodium bicarbonate
A

A. calcium

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6
Q

pH = 7.5, pC02 = 30, HC03 = 19
A. respiratory acidosis
B. respiratory acidosis and metabolic acidosis
C. metabolic acidosis
D. metabolic acidosis and compensatory respiratory alkalosis
E.respiratory alkalosis
F. respiratory alkalosis and compensatory metabolic acidosis
G. uninterpretable

A

E. respiratory alkalosis

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7
Q

pH = 7.3, pC02 = 52,HC03 = 29
A. respiratory acidosis
B. respiratory acidosis and metabolic acidosis
C. metabolic acidosis
D. metabolic acidosis and compensatory respiratory alkalosis
E.respiratory alkalosis
F. respiratory alkalosis and compensatory metabolic acidosis
G. uninterpretable

A

A. respiratory acidosis

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8
Q

pH = 7.35, pC02 = 17, HC03 = 9
A. respiratory acidosis
B. respiratory acidosis and metabolic acidosis
C. metabolic acidosis
D. metabolic acidosis and compensatory respiratory alkalosis
E.respiratory alkalosis
F. respiratory alkalosis and compensatory metabolic acidosis
G. uninterpretable

A

D. metabolic acidosis and compensatory respiratory alkalosis

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9
Q

pH = 7.55, pC02 = 32,HC03 = 12
A. respiratory acidosis
B. respiratory acidosis and metabolic acidosis
C. metabolic acidosis
D. metabolic acidosis and compensatory respiratory alkalosis
E.respiratory alkalosis
F. respiratory alkalosis and compensatory metabolic acidosis
G. uninterpretable

A

F. respiratory alkalosis and compensatory metabolic acidosis

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10
Q

pH = 7.22, pC02 = 55, HC03 = 22
A. respiratory acidosis
B. respiratory acidosis and metabolic acidosis
C. metabolic acidosis
D. metabolic acidosis and compensatory respiratory alkalosis
E.respiratory alkalosis
F. respiratory alkalosis and compensatory metabolic acidosis
G. uninterpretable

A

B. respiratory acidosis and metabolic acidosis

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11
Q

pH = 7.25, pC02 = 28, HC03 = 12
A. respiratory acidosis
B. respiratory acidosis and metabolic acidosis
C. metabolic acidosis
D. metabolic acidosis and compensatory respiratory alkalosis
E.respiratory alkalosis
F. respiratory alkalosis and compensatory metabolic acidosis
G. uninterpretable

A

C. metabolic acidosis

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12
Q 
If Q and Q are pulmonary shunt and total blood flow, respectively, and Cc, Ca, and Cv are the oxygen contents of end-capillary, arterial, and mixed venous blood, respectively, then the shunt fraction Q/Qt =
A. Cc/(Cc-Cv)
B. (Ca-Cv)/Cv
C. (Cv-Ca)/Cc
D. (Cc-Ca)/(Cc-Cv)
E. (Ca+Cv)/(Ca+Cc+Cv)
A

D. (Cc-Ca)/(Cc-Cv)

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13
Q 
Atropine toxicity produces each of the following except
A. blurred vision
B. decreased intestinal peristalsis
C. dry mouth
D. increased pulse
E. increased sweating
A

E. increased sweating

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14
Q

Each of the following is true of hyperosmolar coma except
A. Free fatty acid concentration is lower than in ketoacidosis
B. Glucose concentration is higher than in ketoacidosis
C. It is more common in insulin-dependentdiabetes mellitus (IDDM) than in non-insulin-dependent diabetes mellitus (NIDDM)
D. Mortality is more than 50%
E. Volume depletion is usually severe

A

C. It is more common in insulin-dependentdiabetes mellitus (IDDM) than in non-insulin-dependent diabetes mellitus (NIDDM)

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15
Q 
β-agonist
A. clonidine
B. isoproterenol
C. phenoxybenzamine
D. phentolamine
E. prazosin
A

B. isoproterenol

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16
Q 
pure α-1 antagonist
A. clonidine
B. isoproterenol
C. phenoxybenzamine
D. phentolamine
E. prazosin
A

E. prazosin

17
Q 
noncompetitive α antagonist
A. clonidine
B. isoproterenol
C. phenoxybenzamine
D. phentolamine
E. prazosin
A

C. phenoxybenzamine

18
Q 
competitive, nonselective α antagonist
A. clonidine
B. isoproterenol
C. phenoxybenzamine
D. phentolamine
E. prazosin
A

D. phentolamine

19
Q 
central α-2 agonist
A. clonidine
B. isoproterenol
C. phenoxybenzamine
D. phentolamine
E. prazosin
A

A. clonidine

20
Q 
The most appropriate cholinergic agent to be used in urinary retention is
A. acetylcholine
B. bethanechol
C. carbachol
D. choline
E. methacholine
A

B. bethanechol

21
Q

Which of the following is false of polycythemia vera?
A. Budd-Chiari syndrome is common.
B. Hyperuricemia can complicate the disorder.
C. It is the most common of the myeloproliferative disorders.
D. Massive splenomegaly is usually the presenting sign.
E. The use of alkylating agents should be avoided.

A

D. Massive splenomegaly is usually the presenting sign.

22
Q

The serum osmolarity of a patient with a sodium level of 130 meq/L, K of 4.0
meq/L, glucose of 126 mg/dL, and blood urea nitrogen (BUN) of 28 mg/dL, is
A. 276
B. 285
C. 296
D. 304
E. 310

23
Q 
Each of the following is a result of the use of positive end-expiratory pressure (PEEP) in the ventilated patient except
A. decreased cerebral perfusion pressure
B. decreased physiologic dead space
C. decreased work of breathing
D. improved lung compliance
E. predisposition to barotraumas
A

B. decreased physiologic dead space

24
Q 
The oxyhemoglobin dissociation curve is shifted to the right (decreased oxygen affinity) by
I. acidosis
II. decreased 2,3-diphosphoglyceric acid (2,3-DPG)
III. fever
IV. banked blood
A. I, II, III
B. I, III
C. II, IV
D. IV
E. all of the above
A

B.
I. acidosis
III. fever

25
Q 
Gastrointestinal carcinoids are most frequently found in the
A. appendix
B. colon
C. ileum
D. rectum
E. stomach
A

A. appendix

26
Q 
Alkalinization of the urine promotes excretion of
I. salicylates
II. tricyclic antidepressants
III. phenobarbital
IV. amphetamines
A. I, II, III
B. I, III
C. II, IV
D. IV
E. all of the above
A

A.
I. salicylates
II. tricyclic antidepressants
III. phenobarbital

27
Q 
reliably effective in von Willebrand's disease
A. cryoprecipitate
B. fresh frozen plasma
C. both 
D. neither
A

A. cryoprecipitate

28
Q 
used in the treatment of hemophilia B
A. cryoprecipitate
B. fresh frozen plasma
C. both 
D. neither
A

B. fresh frozen plasma

29
Q 
The free water deficit in a dehydrated 70 kg man with a Na+ of 160 is
A. 2 L
B. 4 L
C. 6 L
D.7 L
E .8 L
30
Q 
pure α agonist
A. amrinone
B. dopamine
C. epinephrine
D. neosynephrine
E. norepinephrine
A

D. neosynephrine

31
Q 
does not interact with α or β receptors
A. amrinone
B. dopamine
C. epinephrine
D. neosynephrine
E. norepinephrine
A

A. amrinone

32
Q 
Effects vary significantly with dose administered.
A. amrinone
B. dopamine
C. epinephrine
D. neosynephrine
E. norepinephrine
A

B. dopamine

33
Q 
primarily an a agonist with mild α1 activity
A. amrinone
B. dopamine
C. epinephrine
D. neosynephrine
E. norepinephrine
A

E. norepinephrine

34
Q 
balanced α and β agonist properties
A. amrinone
B. dopamine
C. epinephrine
D. neosynephrine
E. norepinephrine
A

C. epinephrine

35
Q 
Thallium intoxication causes each of the following except
A. cardiac dysfunction
B. GI disturbance
C. hirsutism
D. lower extremity joint pain
E. peripheral neuropathy
A

C. hirsutism

36
Q 
Which of the following symptoms is least characteristic of acute intermittent porphyria?
A. abdominal pain
B. hypotension
C. polyneuropathy
D. psychosis
E. tachycardia
A

B. hypotension

CBR Clinical Skill (5 decks)

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