A needlestick is an example of what portal of entry?

A) Skin
B) Parenteral route
C) Mucous membranes
D) All of these
E) None of these


Ans: B) Parenteral route

Biology & Microbiology

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In a human karyotype, chromosomes are arranged in 23 pairs. If we choose one of these pairs, such as pair 14, which of the following do the two chromosomes of the pair have in common?

A) length and position of the centromere only B) length, centromere position, and staining pattern only C) length, centromere position, staining pattern, and traits coded for by their genes D) They have nothing in common except that they are X-shaped.

Biology & Microbiology

Rank the elements carbon, phosphorus, calcium, and iodine in order of decreasing number of protons

A. CPCaI B. ICaPC C. IPCCa

Biology & Microbiology

Describe how changing the ways that land surfaces are used by humans cause changes in water resources.

What will be an ideal response?

Biology & Microbiology

How does the acidity of the stomach aid in digestion?

What will be an ideal response?

Biology & Microbiology