Answer:
The answer is B: All the muscle cells innervated by a single motor neurorn.
Explanation:
It is called a motor unit, all muscle fibers that are innervated by a motor neuron cell. A motor neuron cell can establish contact with up to 150 muscle fibrils, which when activated causes their simultaneous contraction, therefore, all the muscle fibers of a motor unit contract and relax at the same time.
Wouldn’t it be A , because in order to get right dose it needs to be the right drug
Answer:
The mechanism of the Valsalva maneuver is considered to be a technique to reverse SVT (Supra-ventricular Tachycardia).
Explanation:
The process is simple, the patient shuts their nose (by pinching it), closes their mouth and tries to blow out hard. The downside to the maneuver is that it could cause hypotension and low blood pressure where the patient may feel tired dizzy or lightheaded.