Question 20 The fovea of the eye is Answer the area where axons leave the retina

Question

Question 20

The fovea of the eye is
Answer
the area where axons leave the retina.
the area where cones are primarily located.
the area where ciliary muscles contact the lens.
the area where rods are primarily located.
the opening in the iris.

Question 21

You are taking notes in lecture, writing as fast as you can, when suddenly your hand become so stiff that you can't write any more! You pull the pencil from between your frozen fingers with your other hand, and after a few worried moments your hand is able to relax again. What happened?
Answer
The muscles in your hand depleted their supply of ATP, and the myosin heads could not detach from actin.
The muscles in your hand depleted their supply of acetylcholinesterase.
The muscles in your hand depleted their supply of Ca2+, and the myosin heads could not attach to actin.
The actin and myosin filaments in your hand muscles became detached from their Z lines.
The motor neurons stimulating your hand muscles depleted their supply of acetylcholine.

Question 22

Martha is 57 years old and has been overweight for the past several years. Although she hasn't changed her daily activity level, Martha is now experiencing pain in her hips and knees. What is most likely to be the cause of Martha's discomfort?
Answer
rheumatoid arthritis
sprains
strains
osteoarthritis
bursitis

Question 23

What is the correct sequence of events required for fish to detect the physical presence of other fish within the school?
Answer
water currents cause the cilia within the gelatinous membrane to bend which causes a nerve impulse to go to the brain
sound waves cause the cilia within the gelatinous membrane to bend which causes a nerve impulse to go to the brain
a chemical signal will cause the cilia within the gelatinous membrane to bend which causes a nerve impulse to go to the brain
water currents cause a nerve impulse to go directly to the brain
a chemical signal will cause a nerve impulse to go directly to the brain

Question 24

The hip and shoulder joints are not _____ joints.
Answer
freely movable
ball-and-socket
hinge
synovial
fluid-filled

Question 25

Bony fishes can detect other fishes thanks to their
Answer
gravitational equilibrium.
statocysts.
lateral line system.
rotational equilibrium.
compound eyes.

Explanation / Answer

The fovea of the eye is
Answer
the area where axons leave the retina.
.

Question 21

You are taking notes in lecture, writing as fast as you can, when suddenly your hand become so stiff that you can't write any more! You pull the pencil from between your frozen fingers with your other hand, and after a few worried moments your hand is able to relax again. What happened?
Answer
The muscles in your hand depleted their supply of ATP, and the myosin heads could not detach from actin.


Question 22

Martha is 57 years old and has been overweight for the past several years. Although she hasn't changed her daily activity level, Martha is now experiencing pain in her hips and knees. What is most likely to be the cause of Martha's discomfort?

osteoarthritis


Question 23

What is the correct sequence of events required for fish to detect the physical presence of other fish within the school?
Answer
water currents cause the cilia within the gelatinous membrane to bend which causes a nerve impulse to go to the brain


Question 24

The hip and shoulder joints are not _____ joints.

ball-and-socket


Question 25

Bony fishes can detect other fishes thanks to their

rotational equilibrium.

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