Answer:
Atrial flutter is a type of abnormal heart rhythm, or arrhythmia. It occurs when a short circuit in the heart causes the upper chambers (atria) to pump very rapidly. Atrial flutter is important not only because of its symptoms but because it can cause a stroke that may result in permanent disability or death.
Answer: Cervical canal
Explanation:
The process by which male gamete and female gamete fuse together to form a zygote is known as fertilization.
During sexual intercourse millions of sperms are released from penis that reaches the vagina and gets stored there temporarily. The sperm from vagina travels through the cervical canal to move into the uterine cavity.
From there it reaches the Fallopian tube. Hence, the correct answer is cervical canal.
Answer:
The answer is C. FSH
Explanation:
The development of the follicle in the ovary is caused by the increase in blood levels of the follicle stimulating hormone (FSH). FSH is responsible for regulating the follicular phase of ovulation. It is synthesized and secreted by gonadotropic cells of the anterior part of the pituitary gland. FSH stimulates the production of oocytes and a hormone called estradiol during the first half of the menstrual cycle.
Answer:
Since this question has multiple subquestions in it, I will give you the answer to them as follows:
1. Which neuron would activate a muscle? They are called multipolar neurons, they are found mostly originating from the CNS itself and they are multipolar because when a neuron stimulates a muscle, one signal from just one terminal is not enough; it requires the stimulation from several neurnal terminals.
2. Which neuron would be found in the retina of the eye? A bipolar neuron. This is because these neurons will fulfill a double function: to activate the muscles of the retina, and also they will convey messages taken by the sense of sight, towards the brain for interpretation and integration.
3. Which neuron is a sensory neuron found in a reflex arc? The answer again is a unipolar neuron. These neurons will not reach the brain itself, but rather the reflex arc site on the spinal cord. Their task is to relay sensations from the site that has been stimulated to the spinal cord and from there to the affected place, with the correct response.
4. Which neuron is never myelinated? Again the answer is the bipolar neurons found connecting the retina and the eyes. The reason is that these neurons are capable of relying fast messages to and from the brain, whereas in myelinated ones, messages go slower due to the myeling sheaths.
5. Which neuron is typically involved in the special senses of sight and smell? Once more the answer is the bipolar neurons that are most commonly found connecting the different organs of these two senses. Since these have such unique capabilities: relying information for integration and sensory and motor responses, their action potentials travel fast, and have a short distance to go.
Answer:
It authorized grants to develop a comprehensive EMS system throughout the country, for feasibility studies and planning, for the establishment and initial operation of EMS systems, and for the expansion and improvement of current systems. To have trained personnel respond quickly and provide emergency care on the scene, during transport, and at the hospital.
Explanation:
