Medical Quiz

The Cardiovascular System: Blood Vessels and Hemodynamics Quiz


Which type of blood vessels plays a key role in regulating blood flow from arteries into capillaries.

A. Arteries

B. Arteriole

C. Capillaries

D. Venules

If the blood pressure reading on patients is 142/95, the diastolic pressure is_________

A. 47 mmHg

B. 74 mmHg

C. 95 mm Hg

D. 142 mmHg

Aldosterone affects blood pressure by

A. increasing heart rate.

B. increasing vasoconstriction of arterioles.

C. reducing blood volume.

D. increasing reabsorption of sodium ions and water by the kidneys.

Exchanges of substances between the blood and body tissue cells occur as blood flows through the________

A. Arteries

B. Arteriole

C. Capillaries

D. Venules

Cardiogenic shock is most likely to result from __________.

A. a severe bacterial infection

B. a systemic allergic reaction

C. multiple heart attacks

D. large-scale blood loss

The hepatic portal system collects blood from the __________ and then routes it to the __________.

A. GI tract; liver

B. liver; kidneys

C. kidneys; liver

D. liver; GI tract

All the following are vascular resistance EXCEPT

A. Size of the lumen

B. Blood viscosity

C. Total blood vessel length

D. Volume of blood

Blood vessels form a closed system of tubes that carries blood away from the heart are called.

A. Arteries

B. Arteriole

C. Capillaries

D. Venules

During systemic circulation, blood leaves the __________.

A. right ventricle and goes directly to the aorta

B. lungs and moves to the left atrium

C. right atrium and goes directly to the lungs

D. left ventricle and goes directly to the aorta

Which of the following veins is the longest in the body?

A. superior vena cava

B. inferior vena cava

C. great saphenous vein

D. femoral vein

Which of the followining vessels bring blood to the inferior vena cava?

A. coronary sinus and subclavian veins.

B. external jagular and carotid artery.

C. radial and brachial vein.

D. renal and common iliac veins

Which of the following is the correct sequence of layers in the vessel wall from outside to inside?

A. tunica externa, tunica media, tunica interna

B. tunica interna, tunica media, tunica externa

C. tunica media, tunica externa, tunica interna

D. tunica media, tunica interna, tunica externa

Which of the following arteries branches to form the common hepatic artery, left gastric artery, and splenic artery?

A. superior mesenteric artery

B. inferior mesenteric artery

C. gonadal arteries

D. celiac trunk

If blood pressure drops,a negative feedback mechanism causes.

A. activation of the venous reservoirs.

B. increase capillary blood flow.

C. increase heart rate, stroke volume, and vasoconstriction.

D. vasodilation of systemic arterioles.

The two most important baroreceptor reflexes are the ________

A. carotid sinus reflex and the aortic reflex

B. cardiac accelerator nerves and aortic reflex

C. vasomotor nerves and cardiac accelerator nerves

D. vasomotor nerves and carotid sinus reflex

Stimulation of baroreceptors in large arteries of the head and neck, triggers sympathetic stimulation of vascular smooth muscle, resulting in______

A. decrease in blood pressure

B. decrease in heart rate.

C. vasoconstriction.

D. vasodilation

Which of the following acts on the kidneys and blood vessels to raise blood pressure?

A. angiotensin II

B. epinephrine

C. antidiuretic hormone

D. atrial natriuretic peptide

Blood flows through the blood vessels because of the _________

A. establishment of a concentration gradient.

B. elastic recoil of the veins.

C. establishment of a pressure gradient.

D. viscosity of the blood.

Which of the following represents pulmonary circulation as the blood flows from the right ventricle?

A. pulmonary trunk -pulmonary veins- pulmonary capillaries-pulmonary arteries

B. pulmonary arteries- pulmonary capillaries- pulmonary trunk- pulmonary veins

C. pulmonary capillaries- pulmonary trunk-pulmonary arteries-pulmonary veins.

D. pulmonary trunk- pulmonary arteries-pulmonary capillaries- pulmonary veins.

The exchange of nutrients and waste products takes place through the walls of_______

A. arterioles

B. arteries

C. capillaries.

D. venules


Medical Quiz should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. All content on this website is for informational and educational purposes only.