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Doctors Medicines MCQs Q&A

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Egg is covered by a tough sheet of tissue that protects it from desiccation and infection by pathogens. But the same tissue also prevents sperm nuclei from encountering the egg nuclei. However, a part of sperm is known to release enzymes that digest this tough sheet. What part of sperm is it?
Rakesh and Reshma have difficulty conceiving a baby. They consulted a sex therapist. Sperm count of Rakesh was normal but the doctor observed that the motility of his sperm was less. What part of sperm do you think has the issue?
Normal sperm count in semen is:
What is the WHO criterion for minimum sperm count in normal semen?
The condition in which sperm are absent in the semen is called:
Which of the following statements refers to the process of 'parthenogenesis'? 1. It is a natural form of asexual reproduction in which the growth and development of embryos occur without fertilisation. 2. It is a mode of reproduction in which a male organism's sperm fertilizes a female organism's egg outside of the female's body. 3. It is a mode of reproduction in which a male organism's sperm fertilizes a female organism's egg inside of the female's body  Select the correct answer using the codes given below.
Which of the following statements is/are correct? 1. In Intracytoplasmic sperm injection method ova from the wife/donor (female) and sperms from the husband/donor (male) are collected and are induced to form zygote under simulated conditions in the laboratory. 2. In vitro fertilisation is a specialised procedure to form an embryo in the laboratory in which a sperm is directly injected into the ovum.
Given below are four jumbled sentences. Pick the option that gives their correct order. A. The most helpful thing you can do is to hold someone’s hand when they most need it. B. Also, jotting down notes for your seniors on ward rounds is probably not the most important thing. C. My first year as a doctor in U.K. is over and this is what I have learnt. D. No matter what anyone tells you, writing that urgent discharge summary is not the most important thing you will do today.
In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.
My tooth-brush is a thing that haunts me when Im travelling, and ____________ my life a misery. I _____________ that I havent packed it, and wake up in a cold ________________, and get out of bed and hunt for it. And, in the morning, I pack it before I have used it, and have to unpack again to get it, and it is always the last thing I turn out of the bag; and _____________ I repack and forget it, and have to rush upstairs ___________ it at the last moment and carry it to the railway station, wrapped up in my pocket-handkerchief. Of course I had to turn every mortal thing out now, and, of course, I could not find it.
when Im travelling, and ____________ my life a misery.
In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.
My tooth-brush is a thing that haunts me when Im travelling, and ____________ my life a misery. I _____________ that I havent packed it, and wake up in a cold ________________, and get out of bed and hunt for it. And, in the morning, I pack it before I have used it, and have to unpack again to get it, and it is always the last thing I turn out of the bag; and _____________ I repack and forget it, and have to rush upstairs ___________ it at the last moment and carry it to the railway station, wrapped up in my pocket-handkerchief. Of course I had to turn every mortal thing out now, and, of course, I could not find it.
I _____________ that I havent packed it,