How it Works
Try Naxlex NCLEX-RN (Free-Trial)

Which part of the brain is involved in keeping a person awake?

A.

The cerebellum

B.

The amygdala

C.

The reticular activating system

D.

The hypothalamus

Answer and Explanation

The Correct Answer is C

A. The cerebellum is primarily involved in motor control, balance, and coordination rather than regulating wakefulness.

B. The amygdala is involved in emotion regulation, particularly fear and anxiety, rather than maintaining wakefulness.

C. The reticular activating system (RAS) plays a crucial role in maintaining alertness and wakefulness by regulating the sleep-wake cycle and cortical arousal.

D. The hypothalamus plays a role in regulating various autonomic functions and the sleep-wake cycle but is not as directly responsible for maintaining wakefulness as the RAS.


Get 100+ Naxlex Exit Exams for $79 Try Naxlex NCLEX-RN (14 Day Free-Trial)

Naxlex Comprehensive Predictor Exams

Free Nursing Study Resources

Related Questions

Correct Answer is D

Explanation

A. Antidepressants are used to treat depression, not anxiety.

B. Mood stabilizers are used for conditions like bipolar disorder, not for managing anxiety.

C. Antipsychotic drugs are used to treat psychotic disorders like schizophrenia, not primarily for anxiety.

D. Benzodiazepines are a class of antianxiety drugs used to treat anxiety disorders by acting on the central nervous system to induce calmness.

Correct Answer is B

Explanation

A. The pituitary gland produces hormones that regulate other endocrine glands, but it does not produce cortisol.

B. The adrenal glands produce cortisol, a hormone released during stress as part of the body's fight-or-flight response.

C. The hypothalamus regulates the release of hormones but does not produce cortisol directly.

D. The ovaries are responsible for producing sex hormones such as estrogen and progesterone, not cortisol.

Whether you are a student looking to ace your exams or a practicing nurse seeking to enhance your expertise , our nursing education contents will empower you with the confidence and competence to make a difference in the lives of patients and become a respected leader in the healthcare field.

Visit Naxlex, invest in your future and unlock endless possibilities with our unparalleled nursing education contents today

Register