Human Anatomy and Physiology Answers

Which individuals, secretors or nonsecretors, would be a problem for investigating sexual assault cases? Why?

List ONE (1) limitation of the presumptive test. The Amanda Knox/Raffaele Sollecito case illustrates the misuse of a preliminary test whereby only one positive presumptive test for blood (luminol) was considered while ignoring negative results from another presumptive test, tetramethylbenzidine. Suggest how this can be overcome.

what would you expect to see in a serology when type AB plasma is mixed with the blood type A, B and O? Explain you answer.

You are investigating a murder of a young man who was paralyzed on his lower limbs due to an accident years ago. The autospsy report you received says that rigor mortis is observed on the lower part of body of this man. Comment on this report

How many times must a molecule of oxygen pass through a cell surface membrane as it diffuses from inside an alveolus, through a cell in the capillary wall, to bind to a molecule of haemoglobin?Explain

Why level of conciousness is the most sensetive indicator of nervous system functioning?

What’s the water potential of a sucrose solution in an open container at.5m and at 27 degrees

The volume of blood pumped by each ventricle during a beat is known as systolic volume. If the systolic volume is multiplied by the number of beats per minute, the resulting value is the cardiac cost.

Cardiac cost = systolic volume * cardiac frequency

Which is the cardiac cost (volume of blood pumped by each ventricle in a minute) of an adult person in rest whose heart beats 72 times per minute and pumps 70 milliliters of blood in each contraction?

a. 3L/min
b. 5 L/min
c. 5 L/min
d. 50 L/min

Discuss how the greater sciatic notch, the piriformis muscle, and the sciatic nerve are interrelated anatomically. Further, describe a situation that might lead to sciatica or radiating pains in the posterior lower extremity stemming from irritation or inflammation of the sciatic nerve.