Covid-19 virus is primarily affecting certain respiratory organs and causing tissue damage.

Covid-19 virus is primarily affecting certain respiratory organs and causing tissue damage. From your study in the anatomy and physiology of the respiratory system, discuss the changes in the anatomical structures and physiological functions that is causing death. .

A reaction between RBC and oxygen will produce deoxygenated blood.

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a. T

b. F

The function of the fibrinogen is for blood clotting.

Select one:

a. F

b. T

Human heart:

Select one:

a. As a role all arteries in the body carry oxygenated blood and all veins carry de-oxygenated blood.

b. Right side of the heart contains oxygenated blood.

c. Left side of the heart contains oxygenated blood.

d. In the fetus, foramen ovale as a normal opening between the left and right ventricles.

The gall bladder :

Select one:

a. The bile has strong acid PH.

b.  Produces the bile for fat digestion.

c. It is the largest gland in the body.

d. It has neck, body and fundus.

The trachea connects the naso-oral opening with the lungs.

Select one:

a. F

b. T

The mouth of adults is also called the buccal cavity which contains 32 pairs of teeth for food maceration.

Select one:

a. F

b. T

The respiratory system :

Select one:

a. The diaphragm separates the left lung from the right lung.

b. The pharynx is commonly called the throat that connects the nasal cavity and mouth superiorly to the larynx and esophagus inferiorly.

c. Taste buds are located in the nasal cavity.

d. Left side human lung contains three lobes while the right lung contains two lobes.

The liver has four lobes.

Select one:

a. F

b. T

The urinary system:

Select one:

a. Urine is usually formed by the urinary bladder.

b. Erythropoietin is a hormone produce by the kidney cells that increases the production of red blood cells by the bone marrow.

c. The right kidney is larger than the left kidney due to stomach pressure.

d. The kidney has three distinct regions: the medulla is the most superficial region, the cortex located deep to the medulla and the renal pelvis.

The mandible is also called the upper jaw.

Select one:

a. F

b. T

The intestine

Select one:

a.  Absorption most of the digested food take places in the large intestine.

b. The small intestine contains large number of villi that is covered by epithelial tissues for absorption and digestion of food.

c. The small intestine consists of ilium, duodenum and rectum.

d.  The large intestine consists of colon, caecum and jejunum.

The pancreas :

Select one:

a. It is endocrine and exocrine gland.

b. Islets of Langerhans produce enzyme lipase for lipid digestion.

c. Alfa cells of the pancreas produce insulin for sugar metabolism.

d. Left side lobe is larger than the right side lobe.

When B cells encounter antigens and produce antibodies against them, this is called Active humoral immunity.

Select one:

a. F

b. T

Blood is not coagulated inside human blood vessels because of:

Select one:

a. The anticoagulant oxalate is secreted by the kidneys to prevent blood coagulation in the blood vessels.

b.  Heparin is a natural anticoagulant that inhibits the intrinsic pathway of coagulation.

c. The liver secretes EDTA to the blood that prevents blood clotting.

d. Presence of erythropoietin hormone secreted by the kidneys prevent blood coagulation.

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