Bootcamp Chapter 10.5-10.10 Flashcards
I band vs H zone
I band - only actin is present, includes the Z line
A band - only myosin is present
Wave summation
process of depolarizing muscle fibers in a motor unit during the relaxation period
Isotonic Contractions vs. isometric
isotonic - muscle contracts against the same weight and produces a constant tension; muscle shortens (ex: dumbbell curls)
isometric - muscular contracts that happen when the muscles does not change lengths
What connects adjacent Haversian systems to the periosteum?
volkmann’s canals
Cancellous bone
inner network of bones that does NOT contain osteons, and instead has trabecular that soak up bone marrow
PTH will increase Ca in the blood by stimulating _____ and depressing _____
osteoclasts, osteoblasts
Draw and label the parts of a long bone
draw
Differentiate between synarthroses, amphiarthroses, and diarthroses
synarthroses - dense, fibrous joints between bones that do not move
amphiarthroses - cartilaginous joints between bones that partially move
diarthroses - synovial joints that are completely movable
Hormones associated with puberty and pregnancy - LH, FSH, prolactin, and GH are made in which part of the brain?
anterior pituitary
ACTH and TSH are made in the ____
anterior pituitary
Which hormones are made by the hypothalamus?
GnRH, ADH, and oxytocin
The posterior pituitary will store and release what two hormones?
ADH and oxytocin
Alpha cells of the pancreas produce ____ while beta cells made _____
glucagon, insulin
Refer to summary chart of hormones on page 347
refer
What are 3 general functions of CCK?
- slow down gastric emptying
- stimulates pancreatic enzyme
- stimulate the gallbladder to release bile into the duodenum
RBC’s will have their hemoglobin broken down by _____ cell into ____, which has a ____ pigment
Kupffer, bilirubin, yellow
In the nephron, the descending limb is permeable to ___ and impermeable to ____.
The ascending limb is permeable to ___ and impermeable to ____
water, solutes
solutes, water
***think of circumstances it needs to create the concentration gradient!
Which layer of skin is only present in the palms of the hands and the soles of the feet?
stratum lucid
List the layers of epidermis from superficial to deep
stratum corneum > stratum lucidum > stratum granulosum > stratum spinous > stratum basale
come lets get some beers
Which layer of skin has the highest prevalence of lagerhands cells?
Which layer contains melanocytes?
stratum spinosum
stratum basale
Merkel Cells
specialized mechanoreceptor cells; found in stratum basale
Sudoriferous are also known as ____ glands.
sweat
What are the main sweat glands of the body?
What do ceruminous glands produce?
eccrine
earwax
