Exam 4 Flashcards
During a shadowing experience in an Emergency Room, Carmen observed a patient who presented with trauma to the right forearm and a reduction in muscle function in the right hand due to an electrical conduction problem in that area. This situation could be caused by damage to the patient’s ____ which each impact ___ axon(s)
A. Schwann cells, a single
B. Schwann cells, multiple
C. Oligodendrocytes, a single
D. Oligodendrocytes, multiple
A. Schwann cells, a single
For a typical neuron, axons are different when compared to dendrites because the axons are typically…
A. Receiving information
B. Larger in diameter
C. Shorter
D. Not participating in exocytosis
B. Larger in diameter
Which is a correct statement about when an extracellular signal binds to an integral protein?
A. This extracellular signal is hydrophobic
B. A low specificity might be present
C. the likelihood of this binding could be decreased by an endocytosis activity
D. This integral protein might be transmembrane
C. The likelihood of this binding could be decreased by endocytosis activity
Which is a correct statement about active transport?
A. Two ions can be moved against their gradients with a primary active transporter
B. When done via Glucose Transporters (GLUT), the glucose will enter the cell
C. Secondary active transport is directly dependent on ATP
C. The transportees never bind to the transporter
A. Two ions can be moved against their gradients with a primary active transporter
Endocrine E activates an intracellular receptor. Which is a correct statement about this endocrine?
A. It will require a plasma binding protein to cross the plasma membrane
B. It will prefer to associate with carbon dioxide to glucose
C. It will never be found within the nucleus of the receiving cell
D. It will be directly impacting the permeability of the receiving cell’s plasma membrane
B. It will prefer to associate with carbon dioxide to glucose.
Which is a correct statement about the sodium-potassium-ATPase pump?
A. It initially is open to the mid-sized fluid compartment
B. Each cycle of the pump requires the energy from only one ATP
C. It moves more potassiums than sodiums
D. It increases the amount of sodium inside of the cell
B. Each cycle of the pump requires the energy from only one ATP
Some immune cells engulf cells (i.e. bring within them) that need to be destroyed. This process occurs via ____ and will result in the immune cell becoming ____
A. Endocytosis, larger
B. Exocytosis, larger
C. Endocytosis, smaller
D. Exocytosis, smaller
C. Endocytosis, smaller
During his Bye Week Saturday, Brutus was daydreaming about endocrines. he correctly created the statement that ___ endocrines require the assistance of a protein and this protein’s polarity is ____
A. All, polar
B. All, amphipathic
C. Some, polar
D. Some, amphipathic
D. Some, amphipathic
For a typical neuron, its most numerous form of receptor is associated with its ___ and are ___ receptors
A. Dendrites, intracellular
B. Axons, intracellular
C. Dendrites, membrane-bound
D. Axons, membrane-bound
C. Dendrites, membrane-bound
Dr Scarlet’s Patient X took an antagonist that prevented insulin’s impact in their body. Dr. Scarlet correctly told them that this antagonist might…
A. Have negatively impacted the function of the Sodium-Glucose Transporters (SGLTs)
B. Have a higher affinity than insulin for the receptors
C. Both statements are correct
D. Neither statement is correct
B. Have a higher affinity than insulin for the receptors
The staff met up this morning to wakeup via some sugary coffees. As a group, they laughed over how they correctly knew that the carbohydrates now in their GI tracts would…
A. Not have the glucose entering their epithelial cells via Glucose Transporters (GLUTs)
B. Have the glucose exiting their GI lumens via cotransporters
C. Not have the glucose always moving against its gradient
D. All three statements are correct
D. All three statements are correct
Leukodystrophy is a genetic disorder resulting in the atypical development of myelin, mainly in the CNS. Consequently, you know that this disorder will…
A. Impact Schwann cells more than oligodendrocytes
B. Does not alter the structure of any neuron
C. Both statements are correct
D. Neither statement is correct
B. Does not alter the structure of any neuron
Dr Gray’s Patient Y has encountered a toxin that depleted ATP in all of their spleen cells. Dr. Gray correctly realizes that, until the ATP is replenished…
A. Glucose will not be able to enter most cells
B. Sodium gradients will only get smaller
C. Both statements are correct
D. Neither statement is correct
B. Sodium gradients will only get smaller
In a pharmacology course, Libby Thompson learned about memantine which acts as an antagonist for serotonin and is used as an Alzheimer’s treatment. Connecting to physiology, Libby correctly realized that this drug…
A. Must block the effects of serotonin
B. Has a high affinity for the serotonin receptors
C. Both statements are correct
D. Neither statement is correct
C. Both statements are correct.
Marco the Bison was shrunk by Brutus to the size of an ion. This bison then found itself grazing near some neurons. Marco correctly observed that…
A. Afferent neurons receiving information with an axon terminal
B. Oligodendrocytes present when grazing in the spinal cord
C. Both statements are correct
D. Neither statement is correct
C. Both statements are correct.
