(MCQS 355-357):The most common cause of the common cold

Question:355
Correct Answer: C
Explanation:
A personality disorder (PD) is a personality that results in a clinically significant impairment in social or occupational functioning or in personal distress. Histrionic personality disorder is a pervasive pattern of excessive emotionality and attention seeking. Histrionic persons also tend to be emotionially manipulative and intolerant of delayed gratification Personality disorder characterized by at least 3 of the following: (a) self-dramatization, theatricality, exaggerated expression of emotions; (b) suggestibility, easily influenced by others or by circumstances; (c) shallow and labile affectivity; (d) continual seeking for excitement, appreciation by others, and activities in which the patient is the centre of attention; (e) inappropriate seductiveness in appearance or behaviour; (f) over-concern with physical attractiveness. Associated features may include egocentricity, self-indulgence, continuous longing for appreciation, feelings that are easily hurt, and persistent manipulative behaviour to achieve own needs.

Question:356
Correct Answer: B
Explanation:
Brucellosis is characterised by fever which may be undulant, increased in afternoon and evening, maximum 101-104° daily. There is characteristically weakness; headache; sweating; chills; generalized aching and arthralgia (90%). Other common symptoms are weight loss, depression, irritability, hepatosplenomegaly (20-30%). Hepatic dysfunction (abnormal liver function test) occurs in 30-60%. Lymphadenopathy is usually cervical or inguinal (12-21%). Other signs include orchitis, epididymitis (normal urinalysis) (2-40%), nephritis and prostatitis (rare). Pulmonary signs include a cough or other pulmonary symptoms, x-ray may be normal (15-25%). Brucella ingestion occurs from tissue or milk The worst disease is from B. melitensis, B. suis; also B. canis, B. abortus. The organism enters through the mucous membrane, through broken skin or is occasionally inhaled. Facultative intracellular parasite, releases endotoxin when destroyed. Person-to-person transmission is rare.

Question:357
Correct Answer: B
Explanation:
Rhinoviruses are the most common cause of the common cold. More than 100 strains exist. Rhinovirus transmission generally occurs primarily via hand contact and inoculation of the eye or nasal mucosa and less commonly via aerosolization of respiratory secretion. [121] Viral replication probably occurs on the epithelial surface of the nasal mucosa


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