Answer: psychological distress
Explanation:
Psychological distress is a mental stress that is caused by the work pressure, academic tension, family dispute, threat produce by other or other reasons. Psychological distress brings negative opinion about the environment, others and self. The symptoms of psychological distress includes anxiety, sadness and distractions.
The threatening messages are likely to bring feeling of insecurity, anxiety and stress thus people will respond negative to the environment or defensively this is an example of psychological distress.
B. cells is the correct answer
Answer:
a. Opening of ligand-gated cation channel
Explanation:
Ligand-gated cation channel get opened as a result of binding or connection of a lidand which itself is a result of response stimulus. It can also be opened through a note response of stimulus called voltage gated channels.
The purpose of this phenomenon is to allow passage of ions through the membranes as a result of connection of chemical messenger such as neurotransmitter.
When the neurotransmitter is released into synaptic cleft, it connects or bind with motoneuron, thus causing the movement of ion through the cell membrane, and which then leads to hyperpolarization or depolarization
HIV can survive up to 5 to 6 days outside of the body.
This depends on which organs we're talking about. A mentally ill person or a drug abuser can still have completely healthy lungs, depending on the type of drugs the drug user was taking. The same goes for the heart and other internal organs. If the lifestyle of the mentally ill person or the drug abuser were such that their internal organs suffered, then the answer would be no.