Exam 50: Sensation and Movement in Animals

What is the function of the round window in the mammalian inner ear?

What happens if a skeletal muscle is deprived of adequate supplies of ATP?

Which of the following organisms is most challenged by gravity when moving?

Most of the ATP supplies for a skeletal muscle undergoing prolonged exercise come from ________.

What is the main cause of symptoms of myasthenia gravis?

Use the figure to answer the following question. What is detected by the structure diagrammed in the figure above?

In a mammalian visual system, where is visual information processed and integrated?

Damage to which of the following would be expected to produce partial or complete loss of the sensation of movement, position, and equilibrium?

Which of the following sensory receptors is incorrectly paired with its category?

Which of the following describes the change in the membrane potential of rod cells upon exposure to light?

Which of the following is most likely a difference between the leg muscles of an Olympic sprinter and the leg muscles of an Olympic marathon runner?

The muscles of a recently deceased human can remain in a contracted state, termed rigor mortis, for several hours. What prevents the muscles from relaxing soon after death?

Which of the following is a characteristic found in grasshoppers that makes it very difficult to sneak up on them?

Immediately after putting on a shirt, you are aware of the shirt touching your skin. After a few minutes, this perception fades. Which of the following processes results in the decreased responsiveness despite continued stimulation?

Which of the following structures is responsible for movement of action potentials from one contractile cell to the next in the mammalian heart?

Which type of receptor is most likely activated in the antennae of a moth when detecting pheromones?

What type of receptors is in the appendages projecting from the rostral area of star-nosed moles?

Which of the following is the first step of a sensory pathway?

Although some sharks close their eyes just before they bite, their bites are on target. Researchers have noted that sharks often misdirect their bites at metal objects and that they can find batteries buried under sand. This evidence suggests that sharks keep track of their prey during the split second before they bite in the same way that ________.

An action potential from a motor neuron arriving at the neuromuscular junction (NMJ) triggers a series of events leading to muscle contraction. Of the following four events, which occurs after the others?