What is the function of cerebrospinal fluid (CSF)?

It produces cerebral neurotransmitters.

It acts as a barrier to bacteria.

It acts as an insulator to maintain a constant spinal fluid temperature.

It cushions the brain and spinal cord.

Answer and Explanation

The Correct Answer is D

Choice A rationale

Cerebrospinal fluid (CSF) does not produce cerebral neurotransmitters. Neurotransmitters are produced by neurons in the brain and nervous system.

Choice B rationale

CSF provides a protective barrier to some extent, but its primary function is not to act as a barrier to bacteria. The blood-brain barrier primarily serves this function.

Choice C rationale

CSF helps maintain a stable environment in the central nervous system but is not primarily an insulator for maintaining constant temperature. Its thermal properties are secondary.

Choice D rationale

The primary function of CSF is to cushion and protect the brain and spinal cord from mechanical injury. It also helps maintain the brain's buoyancy and provides a stable environment for the central nervous system.

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Correct Answer is A

Explanation

Choice A rationale

The parietal lobe is responsible for processing sensory information and spatial awareness, including proprioception (the sense of body position in space). Damage to the parietal lobe can affect these functions.

Choice B rationale

The temporal lobe is involved in processing auditory information and memory, not spatial awareness. Damage to this lobe would affect hearing and memory rather than proprioception.

Choice C rationale

The frontal lobe is associated with executive functions, such as decision-making, problem-solving, and motor control, but not primarily with spatial awareness. Damage to this lobe impacts cognitive and motor functions.

Choice D rationale

The occipital lobe is primarily responsible for processing visual information. Damage to this lobe affects vision rather than spatial awareness or proprioception.

A. Pustule. B. Macule. C. Vesicle. D. Cyst. E. Cyst.

Correct Answer is C

Explanation

Choice A rationale

A pustule is an elevated, round lesion filled with pus, not serum. Pustules are commonly seen in acne or infections.

Choice B rationale

A macule is a flat, discolored area of the skin that is not elevated. Macules do not contain fluid and are often seen in conditions like freckles or flat moles.

Choice C rationale

A vesicle is an elevated, round lesion filled with clear serum. Vesicles can result from conditions such as chickenpox, herpes simplex, or dermatitis.

Choice D rationale

A cyst is an elevated, round lesion filled with semi-solid material or fluid. Cysts are typically deeper in the skin compared to vesicles.

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What is the function of cerebrospinal fluid (CSF)?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A client has difficulty interpreting their awareness of body position in space. Which lobe is most likely to be damaged?

Correct Answer is A

Explanation

During the skin assessment of a client, the nurse observes a skin lesion that is elevated, round, and filled with serum. Identify the type of lesion.

Correct Answer is C

Explanation

A client in the emergency department has a suspected neurologic disorder. To assess gait, the nurse asks the client to take a few steps; with each step, the client's feet make a half circle. To document the client's gait, the nurse should use which term?

The nurse is assessing a client with toxic epidermal necrolysis (TEN). What assessment data would indicate that the client may be progressing to keratoconjunctivitis? Select all that apply.

The critical care nurse is giving end-of-shift report on a client. The nurse uses the Glasgow Coma Scale (GCS) to assess the level of consciousness (LOC) of a female client and reports to the oncoming nurse that the client has an LOC of 6. What does an LOC score of 6 in a client indicate?

A client receives treatment for a dermatophyte infection of the toenail. How would the nurse document this condition in the chart?

Which primary lesions are associated with acne caused by sebum blockage in hair follicles?

A critical care nurse is caring for a client diagnosed with acute pancreatitis. The nurse knows this client should be started on parenteral nutrition (PN) after what indications?

The nurse is performing a neurologic assessment on a client diagnosed with a stroke and cannot elicit a gag reflex. This deficit is related to which of the following cranial nerves?

A client diagnosed with Parkinson's disease has developed slurred speech and drooling. The nurse knows that these symptoms indicate which of the following?