The bronchial and pulmonary circulation of blood is described as: a) different n

Question

The bronchial and pulmonary circulation of blood is described as:

            a) different names for the same vessels

            b) bronchial circulation for air, as pulmonary for blood.

            c) pulmonary is for systemic circulation, as bronchial for the lungs only

            d) bronchial circulation for what happens in the alveoli

Occurs for air to enter the lungs during inhalation (inspiration)?

a) Principal muscles of inhalation (inspiration) contract.

b) Volume of the lungs increase.

c) Pressure in the lungs falls below atmospheric pressure.

d) all of these choices.

e) none of these choices

Sperm passes all of these EXCEPT:

a.) vas deferens

b.) pampiniform plexus

c,) ductus epididymis

d) seminiferous tubules

Right lymphatic duct receives lymph from all of the following EXCEPT the right:

a) upper limb

b) side of the neck and head

c) side of the chest

d) side of the body inferior to the ribs

Left lymphatic duct receives lymph from all of the following EXCEPT the left:

a.) the side of the body inferior to the ribs

b) lower limb

c) side of the neck and head

d) upper limb

Explanation / Answer

1. d) bronchial circulation for what happens in the alveoli

Explanation: Bronchial circulation is part of systemic circulation and supplies blood to the bronchial tissues. Pulmonary circulation carries blood which is depleted of oxygen to the lungs from the heart and carries oxygenated blood from the lungs to the heart. There is gaseous exchange in pulmonary circulation.

2. d) all of these choices.

Explanation: During inhalation, there is increase in lung volume and decrease in lung pressure and contraction of lung muscles.

3. b.) pampiniform plexus

Explanation: pampiniform plexus regulates temperature of the testis.

4. d) side of the body inferior to the ribs

Explanation: Right lymphatic duct drains fluid from right thoracic cavity, right arm and right side of neck and head.

5. a.) the side of the body inferior to the ribs

Explanation: It drains lymph from right upper limb, thorax, head and neck

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