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College Nervous and Endocrine Systems Questions

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College Nervous and Endocrine Systems
Which of the following is probably going to propagate an action potential fastest?
  1. a thin, unmyelinated axon
  2. a thin, myelinated axon
  3. a thick, unmyelinated axon
  4. a thick, myelinated axon
College Nervous and Endocrine Systems
The sheath that surrounds the neuron and acts as insulation is called                .
  1. Sarcomere
  2. Soleplate
  3. Vesicle
  4. Myelin
College Nervous and Endocrine Systems
Which of these are functions of the endocrine system? Select all that apply.
  1. regulate insulin
  2. homeostasis of blood composition and volume
  3. control reproductive activities
  4. regulate development,growth, and metabolism
  5. control digestive processes
College Nervous and Endocrine Systems
What ion enters a neuron causing depolarization of the cell membrane?
  1. chloride
  2. sodium
  3. potassium
  4. phosphate
College Nervous and Endocrine Systems
The brain and spinal cord form the
  1. somatic nervous system
  2. central nervous system
  3. peripheral nervous system
  4. automatic nervous system
  5. enteric nervous system
College Nervous and Endocrine Systems
Which portion of the brain dedicates itself to involuntary movements such as breathing and regulation of blood pressure?
  1. Frontal Lobe
  2. Occipital Lobe
  3. Temporal Lobe
  4. Medulla Oblongata
College Nervous and Endocrine Systems
What region of the diencephalon coordinates homeostasis?
  1. thalamus
  2. epithalamus
  3. hypothalamus
  4. cerebrum
College Nervous and Endocrine Systems
The pancreatic hormone that causes blood sugar levels to fall is                .
  1. cortisol
  2. glucagon
  3. somatotropin
  4. insulin
  5. aldosterone
College Nervous and Endocrine Systems
Which of these hormones increased production of red blood cells?
  1. erythropoietin
  2. ADH
  3. cortisol
  4. atrial natriuretic peptide
  5. thymosin
College Nervous and Endocrine Systems
What hormone is secreted by the pancreas when blood glucose levels rise above normal?
  1. Glucagon
  2. Glycogen
  3. Proteins
  4. Insulin
College Nervous and Endocrine Systems
The somatic nervous system
  1. Includes sympathetic and parasympathetic divisions
  2. Regulates the gastrointestinal tract
  3. Includes motor neurons to smooth muscles
  4. Is dependent on the autonomic system for control
  5. Provides motor signals and conscious control to skeletal muscles
College Nervous and Endocrine Systems
Which neurotransmitter activates voluntary movements and reinforces behavior?
  1. norepinephrine
  2. acetylcholine
  3. gaba
  4. serotonin
  5. dopamine
College Nervous and Endocrine Systems
The hormone oxytocin                                                           .
  1. promotes uterine contractions
  2. is responsible for milk expression from the mammary glands
  3. rises during sexual orgasim
  4. all of the above
  5. none of the above
College Nervous and Endocrine Systems
What two types of macromolecules are the main components of myelin?
  1. proteins and carbs
  2. carbs and lipids
  3. proteins and lipids
  4. lipids and cholesterols
College Nervous and Endocrine Systems
Which is not a type of biogenic amines?
  1. serotonin
  2. dopamine
  3. acetylcholine
  4. norepinephrine
College Nervous and Endocrine Systems
Voltage-gated Na+ channels open upon reaching what state?
  1. resting potential
  2. threshold
  3. repolarization
  4. overshoot
College Nervous and Endocrine Systems
In most persons, the left hemisphere of the brain
  1. controls the left side of the body
  2. receives olfactory information from the right nostril
  3. controls speech
  4. is involved in spatial perception
  5. received tactile information from the left side of the body
College Nervous and Endocrine Systems
Inability of the pancreas to produce insulin results in                   .
  1. goiter
  2. Addison disease
  3. diabetes mellitus
  4. diabetes insipidus
  5. acromegaly
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