Anatomy Mid Term Open Ended Study Guide

Stress Fractures Why are they harder to heal? (1st part of bone healing)

Stress fracture-thin breaks may cause pain but sometimes too small to detect and generally do not heal

A child asks you why his lips "turn blue" when it is cold outside. What would you explain to this child?

I would tell the child that his lips "turn blue" when its cold outside because when it is cold outside the skins blood vessels constrict and by doing so they are also to try and warm vital organs like the heart. The blood flows farther away from the surface of the skin and goes to closer to the core. Other human features that may turn blue are the toes, and fingers because they blood vessels are constricting from them because they want to keep the vessels are constricting from them because they want to keep the heart functioning and living by providing it with flow of blood vessels.

List the parts of the hand that would be described by different directional orientation terms if the subject were standing with the palms flat against the legs rather than in standard anatomical positions.

In the anatomical position the thumb was lateral to the body but with the palms facing in its anterior to the body. The pinky was medial to the body in the anatomical position but with the palms in they are posterior. in the anatomical position the palms are facing anterior but now they are medial to the body. In the anatomical position the knuckles were posterior to the body but now they are lateral to the body.

Body lotion that totally prevents body sweating. Explain to him why it would not be advisable to pursue the development of this product.

It would not be advisable to pursue the development of this product because by preventing body sweat it will prevent the body from maintaining homeostasis. By not being able to reduce sweat the body will not be able to release heat which will cause the person to overheat and possibly even lead to death. By preventing body sweat will also prevent the person from diluting themselves from harmful toxins and chemicals in their body.

What pelvic features reveal the sex of a human skeleton?

Pelvic features the reveal the sex of a human skeleton are the public arch and the pelvic aperture. The pubic arch is more curved in women while in men it is more sharp. The pelvic aperture is a hole in the middle of the pelvic girdle and in women it is large and oval shaped while in men it is smaller and heart shaped. Zygomatic arch also tends to be higher in females and further forward in males. -Mandible-lower jaw-largest facial bone (thicker in males, larger in females)

Muscle (Appearance of muscle)

Smooth- Long Contractions/No striations Skeletal-Short Contractions/Striations Cardiac -muscles connected by the intercalated disk-located in heart