1021. The internal lining in the trachea is made up of ?

A. Simple cuboidal epithelium
B. Pseudostratified epithelium *
C. Simple squamous epithelium

1022. A person has difficulty breathing due to inflammation of the bronchi and bronchioles. What does he or she has?

A. Emphysema
B. Occupational respiratory disorders
C. Asthma *

1023.Kidney’s ability to produce concentrated urine depends on?

A. Diffusion
B. Active transport
C. Countercurrent mechanism *

1024. The right sequence of formation of urine is ?

A. Secretion, reabsorption, filtration
B. Reabsorption. Secretion, filtration
C. Filtration, reabsorption, secretion *

1025. When an individual consumes a large amount of protein, what will he or she will excrete?

A. More urea and uric acid *
B. More glucose
C. Salt

1026. In the case of uricotelic animals, urea is removed via?

A. Ornithine cycle *
B. Kreb’s cycle
C. Cori Cycle

1027. The life span of red blood cells is?

A. 100 days
B. 110 days
C. 120 days *

1028. The life span of white blood cells is?

A. Between 20-30 days *
B. Between two to three months
C. Less than ten days

1029. What is the ratio of WBC to RBC in the body?

A. 1:60
B. 1:600 *
C. 1:6000

1030. Which is the largest blood vessel in the human body?

A. Pulmonary vein
B. Capillaries
C. Aorta *

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