How many electrons participate in a triple covalent bond?
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A particular cell contains the following molecules and struc…
A particular cell contains the following molecules and structures: enzymes, DNA, ribosomes, plasma membrane, and mitochondria. Based on this composition, it could be a cell from which of the following organisms?
Which of the following functional groups is hydrophobic in n…
Which of the following functional groups is hydrophobic in nature?
Following a scientific method, which of the following is the…
Following a scientific method, which of the following is the correct order of steps?
Match the following drugs with the relevant adverse effects….
Match the following drugs with the relevant adverse effects. Each drug may be used more than once or not at all:
40. The following drug is a selective inhibitor of the n…
40. The following drug is a selective inhibitor of the neuraminidase of influenza A and B viruses: TenofovirRitonavirOseltamivirAcyclovirEmtricitabine
The following is the mechanism of action of mebendazole: …
The following is the mechanism of action of mebendazole: 1. It inhibits parasitic mitochondrial phosphorylation of adenosine diphosphate 2. It diminishes the energy production of the nematode 3. Causes death of parasites by increasing the permeability of the cell membrane to calcium ions 4. Enhances chloride influx leading to hyperpolarization, resulting in death of worm 5. It is converted to hydrogen sulfide, which has a lethal action on the ectoparasite
Doxazosin is indicated for: …
Doxazosin is indicated for: 1. Erectile dysfunction2. Benign prostatic hyperplasia3. Stress urinary incontinence 4. Urinary retention5. Severe uncontrolled hypertension
The following drug is associated with psychiatric adverse ef…
The following drug is associated with psychiatric adverse effects of vivid dreams and impaired concentration: 1. Valacyclovir2. Tenofovir3. Zanamivir4. Ribavirin5. Efavirenz
HIV post exposure prophylaxis for occupational exposures may…
HIV post exposure prophylaxis for occupational exposures may not be administered: 1. For exposures to fluids that contain blood2. If the source patient is HIV-seronegative, with features suggestive of a seroconversion illness3. If the healthcare worker is HIV-infected4. If the health care worker is not HIV-infected5. If the health care worker consents to HIV post-exposure prophylaxis