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Crash Course Anatomy and Physiology (A&P) II Questions with 100% Actual correct answers | verified | latest update | Graded A+ | Already Passed | Complete Solution

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Crash Course Anatomy and Physiology (A&P) II Questions with 100% Actual correct answers | verified | latest update | Graded A+ | Already Passed | Complete Solution

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  • June 18, 2024
  • 48
  • 2023/2024
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  • crash course anatomy and physiology ap ii quest

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Crash Course Anatomy and Physiology
(A&P) II
A normal diastolic blood pressure is around where? -✅✅-Around 80 MMHG
A normal systolic blood pressure is around where? - ✅✅-Around 120 MMHG

About how long is the adult eyeball - ✅✅-2.5 cm in diameter

About how many liters of blood are in the average human? - ✅✅-5

About how many smells can a human distinguish? - ✅✅-10,000

About how many times does the heart beat per day? - ✅✅-100,000 times


✅✅
About how many types of hormones are at work in the body at any given time? -
-Fifty

Action potentials only have one of what? -✅✅-One intensity.
Anatomy diagrams typically depict arteries in what color? - ✅✅-Red

Anatomy diagrams typically depict veins in what color? - ✅✅-Blue

Are gamma rays long or short? - ✅✅-Short


✅✅
Are physiological reactions to non-immediate stresses the same or different from
a threat to survival? - -They are largely the same, which can have negative
impacts on the immune system when a person is constantly stressed

Are radio waves long or short? - ✅✅-Long
Are there more joints or bones in the body? - ✅✅-Joints
Arteries carry blood ____ the heart - ✅✅-away from

,At what point can muscle tension no longer increase in a twitch? - ✅✅-When
all the actin binding sites are exposed on myosin. Faster action potentials and
more calcium no longer have an impact.


✅✅
Because the cell membrane is made up of lipids, water soluble hormones have
receptors where? - -On the outside of the cell.


✅✅
Besides carrying autonomic motor fibers, what other fibers might a cranial nerve
contain? - -Some also carry motor fibers that control voluntary functions.
Others only carry sensory fibers, which relay information to and from sensory
organs. Some carry both motor and sensory fibers.


✅✅
Both parts of the autonomic nervous system require how many neurons to work?
- -Two

Bruising is ____ ____, usually into loose connective tissue. - ✅✅-internal
bleeding

Can a neurotransmitter be the same composition as a hormone? - ✅✅
-Yes.
They can be the same, but called one instead of the other depending on where it
is operating in the body.

Can the actions of a muscle be undone? - ✅✅-Yes. Whatever one muscle
does, another muscle can undo.


✅✅
CPR can help prolong heart function during cardiac arrest, but it usually can't
save a life without what? - -A defibrillator

Define ganglia - ✅✅-Clusters of neuron cell bodies that house millions of
synapses

Define hormones - ✅✅-Chemicals secreted by glands that flow through the
bloodstream

Define volatile -✅✅ -An odorant in a gaseous state, allowing its particles to get
sucked into the nostrils

,Describe acetylcholine (ACh) - ✅✅ -It works in sympathetic ganglia, and the
rest of the PNS uses it to communicate. It works as a signal booster.

Describe blood vessels. - ✅✅-They are active, dynamic organs capable of
contracting and expanding as they deliver oxygen and nutrients to cells
throughout the body; carry away waste products; and play a part in maintaining
blood pressure.

Describe capillary walls. - ✅✅ -They are made up of a single layer of epithelial
tissue, which form only the tunica intima, so they are able to deliver the oxygen
and other nutrients in the blood to their cellular destinations through diffusion.

Describe cardiac muscle tissue - ✅✅ -It is made up of cells that divide and
converge, with one nucleus per cell. It is striated, with intercalated disks. It keeps
blood pumping involuntarily.

Describe cardiac muscle tissue. - ✅✅ -It is striated and uses sliding filaments to
contract, like skeletal muscle tissue. However, it also has many differences from
skeletal muscle tissue.

Describe cones - ✅✅ -Cones sit near the retina's center and detect fine detail
and color. There are red, green, and blue-sensitive types. They are not very
sensitive, and only hit their activation thresholds in bright conditions.

Describe how salty tastes are processed - ✅✅ -Salty foods are filled with
positively charged sodium ions, which cause sodium channels in the gustatory
cells to open, which generate a graded potential, and spark an action potential.

Describe how sour/acidic tastes are processed - ✅✅-They are high in
hydrogen ions, so they can activate proton channels.

Describe muscular arteries. - ✅✅ -Muscular arteries distribute blood to specific
body parts and account for most of your named arteries. They have extra smooth
muscle tissue and the thickest tunica media of any blood vessel.

, Describe rods - ✅✅ -Rods are more numerous than cones, and more
light-sensitive. They only register a grayscale of black and white. Rods are found
near the edges of the retina, and rule peripheral vision.

✅✅-They are striated and mostly voluntary.
Describe skeletal muscle tissue -

Describe smooth muscle tissue - ✅✅-It is made of short, tapered cells with no
striations. It works by pushing fluid and other materials around by continuously
contracting and relaxing.

Describe spongy bone tissue - ✅✅ -It is made of tiny cross-hatching supports
called trabeculae, which help the bone resist stress. It is also where you typically
find bone marrow.

Describe the abducens - ✅✅ -It stimulates some of the muscles in the eyes
(allowing the eyes to move from side to side). It is a motor nerve.

Describe the aortic semilunar valve. - ✅✅ -It is located between the left ventricle
and the aorta, which carries blood from the heart to the rest of the body.

Describe the atria of the heart. - ✅✅ -They are the receiving chambers for the
blood coming back to the heart after circulating through the body.

Describe the auditory nerve - ✅✅ -It carries sensory information from the
cochlea to the brain. It is a sensory nerve.

Describe the bipolar neurons of the retina - ✅✅ -They have synapses at both
ends, forming a kind of bridge. On one end, it synapses with a photoreceptor,
and at the other, a ganglionic neuron which goes to form the optic nerve.

Describe the cells of cardiac muscle tissue. - ✅✅-They are squat, branched
out, interconnected, and each has one or two central nuclei. The cells are
separated by endomysium. They also have many mitochondria to fuel their
energy needs. Cardiac cells are physically and electrically connected all of the
time, so that the pumping of blood has perfect timing. Some cells can generate
their own electricity.

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