Answer:
The correct statement is that Cardiac muscles have shorter absolute refractory period than skeletal muscles.
Explanation:
"Cardiac muscle also called heart muscle or myocardium is one of three types of vertebrate muscles, It is an involuntary, striated muscle that constitutes the main tissue of the walls of the heart."
Answer:
The correct answer is a. Bacillus cereus
Explanation:
Bacillus cereus is the bacteria that causes food poisoning in the form of acute intoxication. It release toxins in the food and spread through previously cooked food, fried rice, vegetables, etc.
It is able to cause two gastrointestinal illnesses like diarrhoeal syndrome and an emetic (vomiting) syndrome. The signs and symptoms the enterotoxin appear within 24 hours after ingestion of the toxin.
So as here the boy is getting nausea, multiple episodes of vomiting and three loose bowel movements after eating leftover rice stored in the refrigerator the night before therefore in this situation the most likely causative agent is a. Bacillus cereus.
I believe the answer is ᴠɪʀᴜs.
hopefully that helps:)
