Which of the following is a barrier to entry of pathogens? a. the skin b. tears c. nasal mucosa d. A-C are correct

Which of the following is a barrier to entry of pathogens?
a. the skin
b. tears
c. nasal mucosa
d. A-C are correct
by

1 Answer

Answer :

d. A-C are correct
by

Related questions

Which one of the following acts as a physiological barrier to the entry of microorganisms in human body? a) Epithelium of Urogenital tract b) Tears c) Monocytes d) Skin

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Last Answer : b) Tears

The site where a pathogen enters the body is commonly called the _____ while the number of pathogens necessary to establish an infection is the _____. a. Penetration Point; Dose b. Penetration Point; Acme c. Portal Of Entry; Dose d. Portal Of Entry; Acme

Description : The site where a pathogen enters the body is commonly called the _____ while the number of pathogens necessary to establish an infection is the _____. a. Penetration Point; Dose b. Penetration Point; Acme c. Portal Of Entry; Dose d. Portal Of Entry; Acme

Last Answer : c. Portal Of Entry; Dose

An attenuated vaccine is one that a. Can provide life-long immunity. b. Contains live microbes or viruses. c. Is closest to the natural pathogens. d. All the above (a-c) are correct.

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Last Answer : d. All the above (a-c) are correct.

The saliva pH is approximately 6.8. It is thus a slightly acid pH. Saliva lubricates the food bolus and initiates the enzymatic extracellular digestion of food. It also works as a buffer for the mouth pH and it has an important role of having IgA antibodies (also present in tears, colostrum, mother’s milk and in the mucosae of the intestine and airways) that protect the organism against pathogens.

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The most likely complication of prolonged use of nasal decongestant drops is (a) Atrophic rhinitis (b) Hypertrophy of nasal mucosa (c) Naso-pharyngeal moniliasis (d) Blockage of Eustachian tubes

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Last Answer : Ans: A

The most likely complication of prolonged use of nasal decongestant drops is: A. Atrophic rhinitis B. Hypertrophy of nasal mucosa C. Naso-pharyngeal moniliasis D. Blockage of eustachian tubes

Description : The most likely complication of prolonged use of nasal decongestant drops is: A. Atrophic rhinitis B. Hypertrophy of nasal mucosa C. Naso-pharyngeal moniliasis D. Blockage of eustachian tubes

Last Answer : A. Atrophic rhinitis

The most likely complication of prolonged use of nasal decongestant drops is: A. Atrophic rhinitis B. Hypertrophy of nasal mucosa C. Naso-pharyngeal moniliasis D. Blockage of eustachian tubes

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Fat present below the skin surface in our body acts as a barrier against – (1) loss of heat from the body (2) loss of essential body fluids (3) loss of salt from the body (4) entry of harmful micro-organisms from the environment

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Last Answer : (1) loss of heat from the body Explanation: A layer of body fat acts as an insulator and traps heat. The subcutis is the deepest layer of skin. The subcutis, consisting of a network of collagen ... , helps conserve the body's heat and protects the body from injury by acting as a "shock absorber.

Fat present below the skin surface in our body acts as a barrier against (1) loss of heat from the body (2) loss of essential body fluids (3) loss of salt from the body (4) entry of harmful micro-organisms from the environment

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Last Answer : loss of heat from the body

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The process of destroying pathogens on an object is _____. a. Disinfection b. Sanitization c. Sepsis d. Antiseptic

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The elimination of pathogens in foods by irradiation is called a. The D Value. b. The Pasteurizing Dose. c. Incineration. d. Sterilization.

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Which of the following is not true of the blood-brain barrier: A. It is constituted by tight junctions between the endothelial cells of brain capillaries and the glial tissue B. It allows passage of lipid soluble drugs into the brain C. It limits entry of highly ionized drugs into the brain D. It regulates passage of substances from brain into blood

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Which of the following is not true of the blood-brain barrier: A. It is constituted by tight junctions between the endothelial cells of brain capillaries and the glial tissue B. It allows passage of lipid soluble drugs into the brain C. It limits entry of highly ionized drugs into the brain D. It regulates passage of substances from brain into blood

Description : Which of the following is not true of the blood-brain barrier: A. It is constituted by tight junctions between the endothelial cells of brain capillaries and the glial tissue B. It allows passage ... of highly ionized drugs into the brain D. It regulates passage of substances from brain into blood

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The blood-brain barrier, which restricts entry of many drugs into brain, is constituted by: A. P-glycoprotein efflux carriers in brain capillary cells B. Tight junctions between endothelial cells of brain capillaries C. Enzymes present in brain capillary walls D. All of the above

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Which of the following is not true of the blood-brain barrier: A. It is constituted by tight junctions between the endothelial cells of brain capillaries and the glial tissue B. It allows passage of lipid soluble drugs into the brain C. It limits entry of highly ionized drugs into the brain D. It regulates passage of substances from brain into blood

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Last Answer : D. It regulates passage of substances from brain into blood

The blood-brain barrier, which restricts entry of many drugs into brain, is constituted by: A. P-glycoprotein efflux carriers in brain capillary cells B. Tight junctions between endothelial cells of brain capillaries C. Enzymes present in brain capillary walls D. All of the above

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How to take care of nasal skin ?

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Last Answer : The nose is one of the beauty of human face. Many times the nose is not taken care of due to laziness. Then the nose became rough. Dark spots appear on the nose. As a result, the face becomes ugly. ... and wash the skin with this mixture for a while. You can also use rice powder as a scrub.

In the head and neck: a. the lymph from the upper lid drains to the parotid and submandibular lymph nodes b. the facial nerve comes from the first pharyngeal arch c. branches of the ophthalmic division of the trigeminal nerve supply the skin of the scalp as far backward as the vertex d. the veins of the scalp are connected to both the diploic veins and the intracranial venous sinuses e. an unilateral cleft lip is a failure of the maxillary process to fuse with the medial nasal process

Description : In the head and neck: a. the lymph from the upper lid drains to the parotid and submandibular lymph nodes b. the facial nerve comes from the first pharyngeal arch c. branches of the ... e. an unilateral cleft lip is a failure of the maxillary process to fuse with the medial nasal process

Last Answer : branches of the ophthalmic division of the trigeminal nerve supply the skin of the scalp as far backward as the vertex

What needs to come into consideration when using UV light to sterilize? a. It Needs Direct Exposure b. It Can Cause Skin Cancer c. It May Not Be Effective Against All Kinds Of Endospores d. A-C Are Correct

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25-Hydroxylation of vitamin D occurs in (A) Skin (B) Liver (C) Kidneys (D) Intestinal mucosa

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Oral mucosa and skin pigmentation occurs in patient with:** A. Diabetes mellitus B. Addison’s disease C. Multiple myeloma D. Squamous cell carcinoma E. Bright’s disease F. Cushing’s disease

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_______ disease develops on the hands or feet. Sores on the skin become infected with Mycobacterium marinum in polluted water or in infected fish. a. Fish handlers b. Cholera c. Cowpox d. Rotovirus e. Coxsackie

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