subject
Health, 18.10.2019 18:20 briannastuck

Sid is taking part in research on the effects of sleep deprivation; he has been without sleep for 75 hours. right now researchers have asked him to sit in front of a computer screen and hit a button each time he sees the letter "s" on the screen. a few days ago, sid was a whiz at this task; however, he is doing very poorly today. how would sleep researchers explain sid's poor performance? a) due to the sleep deprivation, sid does not understand the task. b) microsleeps are occurring due to the sleep deprivation and he is asleep for brief periods of time. c) he is determined to ruin the research because of the suffering he is enduring at the hands of the researchers. d) he is probably dreaming that he is somewhere else and has no interest in responding to the "here and now."

ansver
Answers: 3

Another question on Health

question
Health, 23.06.2019 02:30
Aclient, prescribed dextroamphetamine for attention deficit hyperactivity disorder (adhd), has developed a common adverse effect of the medication since beginning therapy. which initial intervention should the client be encouraged to implement? a. increase fiber intake. b. take an over-the-counter (otc) laxative daily. c. take metronidazole. d. take diphenoxylate hydrochloride.
Answers: 2
question
Health, 23.06.2019 03:40
If you or someone you know may have a mental disorder, it's important to discuss this concern with a trusted adult. t or f
Answers: 2
question
Health, 23.06.2019 04:00
The herpes viruses are important enveloped dna viruses that cause disease in vertebrates and in some invertebrates such as oysters. some of the human forms are herpes simplex virus (hsv) types i and ii, causing facial and genital lesions, and the varicella zoster virus (vsv), causing chicken pox and shingles. each of these three actively infects nervous tissue. primary infections are fairly mild, but the virus is not then cleared from the host; rather, viral genomes are maintained in cells in a latent phase. the virus can later reactivate, replicate again, and infect others.in electron micrographs of hsv infection, it can be seen that the intact virus initially reacts with cell surface proteoglycans, then with specific receptors. this is later followed by viral capsids docking with nuclear pores. afterward, the capsids go from being full to being "empty." which of the following best fits these observations? a) viral capsids are needed for the cell to become infected; only the capsids enter the nucleus.b) the viral envelope is not required for infectivity, since the envelope does not enter the nucleus.c) only the genetic material of the virus is involved in the cell's infectivity, and is injected like the genome of a phage.d) the viral envelope mediates entry into the cell, the capsid mediates entry into the nuclear membrane, and the genome is all that enters the nucleus.
Answers: 2
question
Health, 23.06.2019 04:31
Will treating a viral infection with antibiotics affect the course of the infection? a) no; antibiotics work by inhibiting enzymes specific to bacteria. antibiotics have no effect on eukaryotic or virally encoded enzymes.b) no; antibiotics do not kill viruses because viruses do not have dna or rna.c) yes; antibiotics activate the immune system, and this decreases the severity of the infection. d) yes; antibiotics can prevent viral entry into the cell by binding to host-receptor proteins.
Answers: 1
You know the right answer?
Sid is taking part in research on the effects of sleep deprivation; he has been without sleep for 7...
Questions
question
SAT, 09.02.2021 21:50
question
Mathematics, 09.02.2021 21:50