ABCP Board Review: Questions & Answers
The major cation found in extracellular fluid is? a) K+ b) Ca++ c) Mg++ d) Na+
Correct Ans - d) Na+
Oxygen delivery will be decreased when a low venous oxygen tension and
high venous oxyhemoglobin saturation are present due to:
a) increase in P50
b) decrease in P50
c) metabolic alkalosis
d) metabolic acidosis Correct Ans - c) metabolic alkalosis
At a given PO2, increasing PCO2 results in:
a) more O2 bound to the hemoglobin
b) less O2 bound to hemoglobin
c) no effect on amt of O2 bound to hemoglobin
d) decrease in P50 Correct Ans - b) less O2 bound to the hemoglobin
A sample of blood cooled from 37'C will undergo which change?
a) CO2 becomes more soluble and PaCO2 decreases
b) CO2 becomes less soluble and pH decreases
c) CO solubility does not change, bicarbonate increases
d) CO2 solubility increases and base excess decreases Correct Ans - a)
CO2 becomes more soluble and PaCO2 decreases
In 85-95% of patients, the circumflex artery supplies the:
a) lateral aspect of left ventricle
b) entire posterior surface of left ventricle
c) posterior ventricular septum
d) anterior medial papillary muscle Correct Ans - a) the lateral aspect
of left ventricle
A characteristic of leukocytes is that they are :
a) smaller than erythrocytes
b) larger than platelets
c) uniform in shape
d) 700-1200/ml of blood Correct Ans - b) larger than platelets
, The main function of an enzyme is to:
a) increase the rate of a biochemical reaction
b) initiate a biochemical reaction
c) act as a substrate for a biochemical reaction
d) alter the equilibrium of biochemical reaction Correct Ans - a)
increase the rate of biochemical reaction
Which of the following is not a normal route for blood return directly to the
interior of the heart?
a) coronary sinus
b) Thebesian veins
c) pulmonary veins
d) bronchial veins Correct Ans - d) bronchial veins
The effect of calcium channel-blocking drugs is:
a) marked decrease in transmembrane calcium current
b) increase in smooth muscle response
c) to allow for consistent depolarization of cardiac cells
d) increase in cardiac muscle response Correct Ans - a) marked
decrease in transmembrane calcium current
Calan (verapamil) is indicated for which of the following:
a) HTN refractory to high doses of beta-adrenergic block agents
b) presence of sick sinus syndrome and/ or heart block
c) a-fib with rapid ventricular response
d) cardiogenic shock induced by coronary artery spasm Correct Ans -
c) atrial fibrillation with rapid ventricular response
The cardiovascular effect of Inocor (amrinone) include:
a) increased systemic vascular resistance
b) decreased pulmonary artery pressure
c) increased LVEDP
d) decreased myocardial oxygen consumption Correct Ans - b)
decreased pulmonary vascular resistance
Which of the following anesthetic agents has the shortest duration of action?
a) Sublimaze (fentanyl)
b) Ativan (lorazepam)
c) Diprivan (propofol)
The major cation found in extracellular fluid is? a) K+ b) Ca++ c) Mg++ d) Na+
Correct Ans - d) Na+
Oxygen delivery will be decreased when a low venous oxygen tension and
high venous oxyhemoglobin saturation are present due to:
a) increase in P50
b) decrease in P50
c) metabolic alkalosis
d) metabolic acidosis Correct Ans - c) metabolic alkalosis
At a given PO2, increasing PCO2 results in:
a) more O2 bound to the hemoglobin
b) less O2 bound to hemoglobin
c) no effect on amt of O2 bound to hemoglobin
d) decrease in P50 Correct Ans - b) less O2 bound to the hemoglobin
A sample of blood cooled from 37'C will undergo which change?
a) CO2 becomes more soluble and PaCO2 decreases
b) CO2 becomes less soluble and pH decreases
c) CO solubility does not change, bicarbonate increases
d) CO2 solubility increases and base excess decreases Correct Ans - a)
CO2 becomes more soluble and PaCO2 decreases
In 85-95% of patients, the circumflex artery supplies the:
a) lateral aspect of left ventricle
b) entire posterior surface of left ventricle
c) posterior ventricular septum
d) anterior medial papillary muscle Correct Ans - a) the lateral aspect
of left ventricle
A characteristic of leukocytes is that they are :
a) smaller than erythrocytes
b) larger than platelets
c) uniform in shape
d) 700-1200/ml of blood Correct Ans - b) larger than platelets
, The main function of an enzyme is to:
a) increase the rate of a biochemical reaction
b) initiate a biochemical reaction
c) act as a substrate for a biochemical reaction
d) alter the equilibrium of biochemical reaction Correct Ans - a)
increase the rate of biochemical reaction
Which of the following is not a normal route for blood return directly to the
interior of the heart?
a) coronary sinus
b) Thebesian veins
c) pulmonary veins
d) bronchial veins Correct Ans - d) bronchial veins
The effect of calcium channel-blocking drugs is:
a) marked decrease in transmembrane calcium current
b) increase in smooth muscle response
c) to allow for consistent depolarization of cardiac cells
d) increase in cardiac muscle response Correct Ans - a) marked
decrease in transmembrane calcium current
Calan (verapamil) is indicated for which of the following:
a) HTN refractory to high doses of beta-adrenergic block agents
b) presence of sick sinus syndrome and/ or heart block
c) a-fib with rapid ventricular response
d) cardiogenic shock induced by coronary artery spasm Correct Ans -
c) atrial fibrillation with rapid ventricular response
The cardiovascular effect of Inocor (amrinone) include:
a) increased systemic vascular resistance
b) decreased pulmonary artery pressure
c) increased LVEDP
d) decreased myocardial oxygen consumption Correct Ans - b)
decreased pulmonary vascular resistance
Which of the following anesthetic agents has the shortest duration of action?
a) Sublimaze (fentanyl)
b) Ativan (lorazepam)
c) Diprivan (propofol)
