Medical Quiz

Circulatory & Respiratory Quiz


Type of device that measures the electrical currents created by the SA and AV nodes?
A.     AED
B.     MRI
C.     ECG
D.     CAT Scan

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

Which of the following transport oxygen in humans

A. hemoglobin

B. melanin

C. keratin

D. urea

E. bicarbonate ions

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

If the trachea and esophagus were completely separate in humans, which of the following would NOT be needed?

A. swallowing

B. a nose

C. an epiglottis

D. a diaphragm

E. all are correct

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

A. pericardial membranes

B. pleural membranes

C. meninges

D. cilia

E. capsules

What type of blood vessels brings blood away from the lungs?

A. arteries

B. veins

C. capillaries

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

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

Which of the following bring blood into the right atrium

A. aorta

B. pulmonary artery

C. pulmonary veins

D. vena cava

E. brachiocephalic artery

a process that allows the body to get oxygen to burn food for energy and gets rid of carbon dioxide
A. respiration
B. emphysema
C. inhaling
D. nasal passage

The relaxing/filling stage of the cardiac cycle?

A. Systole

B. Diastole

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

Which structure initiates a heartbeat?

A. AV node

B. SA node

C. left ventricle

D. left atrium

E. right ventricle

A heart attack will result from the lack of nutrients and oxygen of the heart muscles due to blockage by atherosclerosis of the

A. pulmonary arteries

B. coronary arteries

C. carotid arteries

D. vena cava

E. septum

Two muscular structures control air pressure inside the lungs. Changes in air pressure cause air to move into and out of the lungs. Inhalation is the result of

A. contraction of the diaphragm and pleural membranes

B. contraction of the diaphragm and intercostal muscles

C. relaxation of the diaphragm and intercostal muscles

D. relaxation of the diaphragm and intercostal muscles

E. none of these

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


What is the term for the area at the back of the throat that is a common passageway for both food and air

A. larynx

B. pharynx

C. trachea

D. epiglottis

E. esphagus

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

The voice box is also known as the

A. pharynx

B. larynx

C. epiglottis

D. trachea

E. glottis

Name part A.
A.     Pulmonary artery
B.     Pulmonary vein
C.     Superior vena cava
D.     Aorta

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

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

A. arteries

B. veins

C. capillaries


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