Evaluate at least 200 spermatozoa, tally the numbers of live and dead spermatozoa using a laboratory counter, and calculate the percentage of live spermatozoa (see Note 10). The lower reference limit for vitality assessed by eosin–nigrosin stain (membrane-intact spermatozoa) is 58% (5th percentile, 95% CI 55–63) (1).
Answer:
B
Explanation:
The spinal cord is part of the central nervous system.
The unit rate of the train in miles per hour is; 45 miles per hour
Distance traveled by train; d = 540 miles
Time of travel; t = 12 hours
Unit rate here will be the distance travelled per hour.
Formula for the unit rate here is;
Unit rate = distance travelled/time taken
Unit rate = 540/12
Unit rate = 45 miles per hour
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Based on the diagnostic tests for acromegaly, high levels of growth hormone after intake of a sugary liquid indicates acromegaly.
<h3>What is acromegaly?</h3>
Acromegaly is a hormonal disorder which occurs when the pituitary glands produces excess growth hormones resulting in extra large faces hand and feet in the individuals affected.
Acromegaly can be diagnosed by:
- IGF test- high IGF-I level can indicate acromegaly.
- Oral glucose tolerance test - high levels of growth hormone after intake of a sugary liquid indicates acromegaly
Learn more about acromegaly at: brainly.com/question/4940609
Oxytocin Reflex is the automatic physical response to a breastfeeding infant that enable milk to travel via ducts to reach the nipple area.
