Medical Quiz

Circulatory & Respiratory Quiz


Which of the following is a correct match?

A. superior vena cava; oxygenated blood

B. pulmonary vein; oxygenated blood

C. pulmonary artery; oxygenated blood

D. inferior vena cava; oxygenated blood

E. aorta; deoxygenated blood

The voice box is also known as the

A. pharynx

B. larynx

C. epiglottis

D. trachea

E. glottis

Anemia can result from

A. an iron-rich diet

B. an increase in red blood cell count

C. lack of hemoglobin production

D. reduced blood pressure

E. reduced number of leukocytes

Which structure prevents the backflow of blood from the ventricles to the atria?

A. AV valves

B. septum

C. sinoatrial node

D. atrioventricular node

E. superior vena cava

Which structure initiates a heartbeat?

A. AV node

B. SA node

C. left ventricle

D. left atrium

E. right ventricle

Which of the following occurs during diastole?

A. The atria fill with blood

B. Blood flows into the ventricles

C. The elastic recoil of the arteries maintains blood pressure

D. The semilunar valves are closed but the AV valves are open

E. All of these things occur

the tubes that go from the trachea into the lungs
A. alveoli
B. diaphragm
C. epiglottis
D. bronchial tubes

The relaxing/filling stage of the cardiac cycle?

A. Systole

B. Diastole

Inhaled air passes through which of the following structures last?

A. bronchus

B. trachea

C. pharynx

D. bronchiole

E. larynx

a flap of tissue that closes when we eat so food doesn’t not go down the trachea
A. larynx
B. pharynx
C. trachea
D. epiglottis

The “lub,” or first heart sound , is produced by the closing of

A. the aortic semilunar valve

B. the pulmonary semilunar valve

C. the tricuspid valve

D. the bicuspid valve

E. both AV valves

a dome shaped sheet of muscle, the _________, separates the chest from the abdomen
A. diaphragm
B. epiglottis
C. alveoli
D. bronchial tubes

What is breathed out from our mouth and nose?
A. carbon dioxide
B. oxygen
C. nitrogen
D. helium

Which is the correct definition of the Circulatory system?
A. The system fights disease so the body stays healthy.
B. The system that circulates blood and oxygen through the body, consisting of the heart,blood vessels,and blood.
C. Breaks down food into smaller pieces and absorbs those nutrients into the body.
D. Provides shape and structure for the body.

Mammals have a _____________ chambered heart. The top two chambers are called ________________.

A. 3; atria

B. 4; atria

C. 4; ventricles

D. 3; ventricles

E. none of these

What do Red-Blood cells do?
A. Carry oxygen from the lungs to the body cells and transport carbon dioxide from the cells back to the lungs
B. keeps blood flowing in one direction to the heart and prevent blood from flowing backwards
C. Collects blood from the capillaries and drain it into the veins
D. Bring nutriients to the cells and carries away waste materials.

What causes the semilunar valves to open?

A. contraction of the ventricles

B. contraction of the atria

C. stimulation of the SA node

D. backflow of blood in the aorta and pulmonary artery during diastole

E. contraction of the cardiac muscle that makes up the valves

Two thin membranes surround the lungs. What are these membranes called?

A. pericardial membranes

B. pleural membranes

C. meninges

D. cilia

E. capsules

What blood vessels bring blood to the lungs?

A. arteries

B. veins

C. capillaries

Which is NOT a function of the circulatory system?
A. deliver O2 and nutrients to cells
B. remove CO2 and wastes from cells
C. break down carbohydrates into glucose
D. transport other materials through body

Thin-walled vessels that allow for the exchange of O2 , CO2, nutrients and wastes between blood cells or air sacs in the lungs
A. Arteries
B. Veins
C. Capillaries

Blood vessels with a thick lumen and valves to prevent back flow

A. arteries

B. veins

C. capillaries

Name part N.
A.     Right atrium
B.     left atrium
C.     right ventricle
D.     left ventricle

Blood is a type of

A. connective tissue

B. epithelial tissue

C. vascular tissue

D. muscular tissue

E. soft tissue

Blood vessels that are only one cell thick

A. arteries

B. veins

C. capillaries


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