Nursing practice questions with comprehensive rationales
NurseDive Free Nursing Practice Question
What changes in the eye lens can be considered a change caused by aging?
A. Reduction in the size of the lens
Reduction in the size of the lens: This is not considered a change caused by aging. The size of the lens does not decrease with age.
B. Increase in opacity
Increase in opacity: This is considered a change caused by aging. As we age, the lens of the eye can become less transparent, leading to the development of cataracts. Choice C is also correct
C. Thicken of the lens
Thickening of the lens: This is considered a change caused by aging. As we age, the lens of the eye can harden and thicken, causing presbyopia, a condition where the eye loses its ability to focus on close-up images.
D. Decrease in opacity
Decrease in opacity: This is not considered a change caused by aging. The opacity of the lens does not decrease with age.
This question is an excerpt from Nurse Dive's nursing test bank - Patho Proctored Exam 4 Summer 23. Take the full exam now
Similar Questions
In the sympathetic nervous system ganglia are found? Select all that apply: (Select All that Apply.)
A. Brain stem
Brain stem: This is not where sympathetic ganglia are found. The brain stem is part of the central nervous system and is responsible for regulating vital functions such as breathing and heart rate.
B. Sacral
Sacral: This is where sympathetic ganglia are found. The sympathetic chain ganglia extend from the upper neck down to the coccyx, forming the unpaired coccygeal ganglion. Each ganglion within this chain is either cervical, thoracic, lumbar, or sacral.
C. Lumbar
Lumbar: This is where sympathetic ganglia are found. The sympathetic chain ganglia extend from the upper neck down to the coccyx, forming the unpaired coccygeal ganglion. Each ganglion within this chain is either cervical, thoracic, lumbar, or sacral.
D. Thoracic
Thoracic: This is where sympathetic ganglia are found. The sympathetic chain ganglia extend from the upper neck down to the coccyx, forming the unpaired coccygeal ganglion. Each ganglion within this chain is either cervical, thoracic, lumbar, or sacral.
E. Correct answer is B,
The location of the blood-brain barrier is considered to be:
A. At the level of glia
At the level of glia: This is not where the blood-brain barrier is located. Glia arenon-neuronal cells in the central nervous system that provide support and protection for neurons.
B. At the level of neurons
At the level of neurons: This is not where the blood-brain barrier is located. Neurons are specialized cells in the nervous system that transmit information through electrical and chemical signals.
C. At the level of the brain capillaries
At the level of the brain capillaries: This is where the blood-brain barrier is located. The blood-brain wall is a highly selective semipermeable border of endothelial cells that prevents solutes in the circulating blood from non-selectively crossing into the extracellular fluid of the central nervous system where neurons reside.
D. At the level of dendrites
At the level of dendrites: This is not where the blood-brain barrier is located. Dendrites are branched projections of a neuron that receive signals from other neurons.
E. Correct answer is B,
Which of the following describes decerebrate posturing?
A. Internal rotation and adduction of arms with flexion of elbows, wrists, and fingers
Internal rotation and adduction of arms with flexion of elbows, wrists, and fingers: This describes decorticate posturing, which is another type of abnormal body posture that can occur due to severe brain damage. It is different from decerebrate posturing.
B. Back hunched over, rigid flexion of all four extremities with supination of arms and plantar flexion of the feet
Back hunched over, rigid flexion of all four extremities with supination of arms and plantar flexion of the feet: This does not describe decerebrate posturing.
C. Back arched: rigid extension of all four extremities
Back arched: rigid extension of all four extremities: This describes decerebrate posturing, which involves the arms and legs being held straight out, the toes being pointed downward, and the head and neck being arched backward.
D. Supination of arms, dorsiflexion of feet
Supination of arms, dorsiflexion of feet: This does not describe decerebrate posturing.