ABCP BOARD REVIEW EXAM PAPER 2026
QUESTIONS WITH VERIFIED ANSWERS
⩥ 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. Answer: 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. Answer: 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. Answer: 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. Answer: 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. Answer: 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. Answer: 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. Answer: 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. Answer: 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. Answer: c)
atrial fibrillation with rapid ventricular response
⩥ The cardiovascular effect of Inocor (amrinone) include:
a) increased systemic vascular resistance
b) decreased pulmonary artery pressure
QUESTIONS WITH VERIFIED ANSWERS
⩥ 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. Answer: 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. Answer: 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. Answer: 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. Answer: 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. Answer: 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. Answer: 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. Answer: 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. Answer: 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. Answer: c)
atrial fibrillation with rapid ventricular response
⩥ The cardiovascular effect of Inocor (amrinone) include:
a) increased systemic vascular resistance
b) decreased pulmonary artery pressure
