- 10 Year Old Girl Was Brought To The Out Patient Department For Consult Because Of Progressive Ocular Lesions Upon Histo 1 (43.31 KiB) Viewed 17 times
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10 year-old girl was brought to the out-patient department for consult because of progressive ocular lesions. Upon history-taking, the patient had suffered with persistent developmental delay as well as the appearance of multiple pigmented papular lesions on her face, neck, and forearms beginning at the age of 3 months which progressed over time. The mother noted that the lesions were confined to sun-exposed areas. On physical examination, large hyperkeratotic lesions were present on the cheeks and nose with some induration suspicious of actinic keratosis and early squamous cell carcinoma. There were also numerous hyper-pigmented lentigos and xerosis limited to sun-exposed sites. Marked corneal scarring was evident bilaterally Which of the following pattern of inheritance is exhibited by the disease presented in the case? It is X-linked dominant It is autosomal recessive It is X-linked recessive It is autosomal dominant
10 year-old girl was brought to the out-patient department for consult because of progressive ocular lesions. Upon history-taking, the patient had suffered with persistent developmental delay as well as the appearance of multiple pigmented papular lesions on her face, neck, and forearms beginning at the age of 3 months which progressed over time. The mother noted that the lesions were confined to sun-exposed areas. On physical examination, large hyperkeratotic lesions were present on the cheeks and nose with some induration suspicious of actinic keratosis and early squamous cell carcinoma. There were also numerous hyper-pigmented lentigos and xerosis limited to sun-exposed sites. Marked corneal scarring was evident bilaterally Which of the following statements is true about the pattern of inheritance in the disease presented in the case? a. Males and females are likely to be affected equally b. Trait appears in siblings and not in their parents or their off-springs c. Traits generally involve mutation in genes that code for enzymes. A ONLY AAND B ONLY CONLY ABC
A 2-year old boy was brought to the emergency department by his mother for oozing blood from his mouth following a fall nearly 6 hours ago. His mother related that he tended to bleed for prolonged periods from his immunization sites, but there was no history of bruising or hematomas. The patient was on antibiotics for a recent ear infection. There was no known family history of a bleeding disorder. Which of the following statements is true about the pattern of inheritance in the disease presented in the case? a. Trait is transmitted from affected male to all of their daughters. b. Trait is transmitted from father to son c. Trait may skip generations BONLY AAND CONLY A ONLY ABC
Which is NOT a clinical manifestation of congenital adrenal hyperplasia in а GIRLS? Large clitoris Severe acne Deep voice Excessive menstrual bleeding
A. Substance that moves the electrical field solely depends on the speed of the substance in the mixture. B. Movement of substances is from Anode to cathode only. Both statements are correct Both statements are incorrect Statement B is correct Statement A is correct
This method has the ability to examine different target genes and organism by one PCR reaction. Digital polymerase chain reaction Nested polymerase chain reaction Multiplex polymerase chain reaction Reverse Transcriptase PCR
Hemoglobin in the embryo consists mainly of two globin chain, one epsilon and one zeta chains. In the fetus these are replaced with gamma and beta chains. Both statements are correct Both statements are incorrect Statement 1 is incorrect Statement 2 is correct Statement 1 is correct. Statement 2 is incorrect
Housekeeping genes are always expressed in all cell types. Other genes are expressed only in certain cell types and at certain times. Both statements are false Statement 1 is incorrect Statement 2 is correct Statement 1 is correct. Statement 2 is incorrect Both statements are true Question 12 0 / 1 pts Resemble protein-encoding genes and may or may not be transcribed, but are never translated into protein. Pseudogenes Long noncoding RNAS mRNA TRNA
Pre- mRNA transcripts that contain introns and exons are processed to produce mature mRNA in a specific cell type. By regulating which introns are retained and spliced, introns shuffling generates more than one mature mRNA and therefore different proteins. Both statements are incorrect Statement 1 is incorrect. Statement 2 is correct Statement 1. is correct. Statement 2 is incorrect Both statements are correct
The frequency and rate of transcription may be affected by variation of Transcription factors miRNA Transcription proteins Promoter sequence Question 18 0/1 pts Proteins tat control how genes are expressed in the body Promoter region Transcription factors MIRNA Transcription proteins
A transposon is a DNA sequence that can move. Transposons cause disease if they insert into protein-encoding genes. Both statements are false Statement 1 is correct. Statement 2 is incorrect Statement 1 is incorrect. Statement 2 is correct Both statements are true