CORRECT WELL DETAILED
ANSWERS|LATEST 2025/2026|GRADED
Cells are classified into which of the following broad categories?
A) Squamous, cubodial, columnar, and basement membranes
B) atoms, tissues, organs, and organ systems
C) skeletal, cardiac, endocrine, and nervous
D) Neurons, muscle, epithelial, and connective tissue
E) endocrine, nervous, integumentary, and reproductive - ANSWER D) Neurons,
muscle, epithelial, and connective tissue
During what phase of the cell cycle does rapid protein synthesis occur as the cell grows to
double its size.?
A) G0
B) G1
C) G2
D) S
E) mitosis - ANSWER C) G2
1
,Which of the following substances requires mediated transport to cross the blood-brain
barrier?
A) hydrogen ions
B) glucose
C) carbon dioxide
D) ethanol
E) oxygen - ANSWER B) glucose
Alzheimer's disease is caused by the loss of ________ neurons in certain brain areas and
replacement of the lost neurons with scar tissue called ________.
A) adrenergic : plaques
B) cholinergic : myelin
C) adrenergic : myelin
D) cholinergic : plaques
E) muscarinic : myelin - ANSWER D) cholingeric : plaques
Which of the following is NOT a characteristic of rapid eye movement (REM) sleep?
A) loss of postural muscle tone
B) illogical and bizarre thoughts
C) increased brain activity
D) decreased limbic system activity
E) increased parasympathetic activity - ANSWER E) increased parasympathetic activity
Which statement best describes why nicotine should be avoided before going to bed?
2
,A) Nicotine should not be avoided before bed; it will help relax you before going to bed.
B) Nicotine mimics acetylcholine, which is associated with the ascending reticular activating
system.
C) It binds to receptors in the cerebral cortex, which is involved with in wake/sleep cycles.
D) It binds to receptors in the corpus callosum, which stimulates both sides of the movie.
E) Nicotine is a depressant and, therefore, negative feedback speeds up your heart and
respiratory systems, which keeps you from relaxing. - ANSWER B) Nicotine mimics
acetylcholine, which is associated with the ascending reticular activating system
The ability of the nervous system to adapt anatomically and functionally to changes in its
activity is called:
A) habituation
B) consolidation
C) parallel processing
D) plasticity
E) sensitization - ANSWER D) plasticity
Which of the following is known to cause drowsiness?
A) vitamin B12
B) antihistamines
C) aspirin
D) vitamin D
E) birth control pills - ANSWER B) antihistamines
3
, What type of receptor detects blood pressure?
A) thermoreceptor
B) baroreceptor
C) proprioreceptor
D) nociceptor
E) osmoreceptor - ANSWER B) baroreceptor
The process whereby a sensory receptor converts a stimulus modality into a change in
membrane potential is called:
A) sensory generation
B) sensory conversion
C) sensory transduction
D) sensory production
E) modality conversion - ANSWER C) sensory conversion
Which of the following statements about lateral inhibition is FALSE?
A) Lateral inhibition enhances acuity.
B) Lateral inhibition decreases the two-point discrimination threshold.
C) Lateral inhibition result in a stronger signal coming from second-order neurons associated
with the central point of stimulation.
4
ANSWERS|LATEST 2025/2026|GRADED
Cells are classified into which of the following broad categories?
A) Squamous, cubodial, columnar, and basement membranes
B) atoms, tissues, organs, and organ systems
C) skeletal, cardiac, endocrine, and nervous
D) Neurons, muscle, epithelial, and connective tissue
E) endocrine, nervous, integumentary, and reproductive - ANSWER D) Neurons,
muscle, epithelial, and connective tissue
During what phase of the cell cycle does rapid protein synthesis occur as the cell grows to
double its size.?
A) G0
B) G1
C) G2
D) S
E) mitosis - ANSWER C) G2
1
,Which of the following substances requires mediated transport to cross the blood-brain
barrier?
A) hydrogen ions
B) glucose
C) carbon dioxide
D) ethanol
E) oxygen - ANSWER B) glucose
Alzheimer's disease is caused by the loss of ________ neurons in certain brain areas and
replacement of the lost neurons with scar tissue called ________.
A) adrenergic : plaques
B) cholinergic : myelin
C) adrenergic : myelin
D) cholinergic : plaques
E) muscarinic : myelin - ANSWER D) cholingeric : plaques
Which of the following is NOT a characteristic of rapid eye movement (REM) sleep?
A) loss of postural muscle tone
B) illogical and bizarre thoughts
C) increased brain activity
D) decreased limbic system activity
E) increased parasympathetic activity - ANSWER E) increased parasympathetic activity
Which statement best describes why nicotine should be avoided before going to bed?
2
,A) Nicotine should not be avoided before bed; it will help relax you before going to bed.
B) Nicotine mimics acetylcholine, which is associated with the ascending reticular activating
system.
C) It binds to receptors in the cerebral cortex, which is involved with in wake/sleep cycles.
D) It binds to receptors in the corpus callosum, which stimulates both sides of the movie.
E) Nicotine is a depressant and, therefore, negative feedback speeds up your heart and
respiratory systems, which keeps you from relaxing. - ANSWER B) Nicotine mimics
acetylcholine, which is associated with the ascending reticular activating system
The ability of the nervous system to adapt anatomically and functionally to changes in its
activity is called:
A) habituation
B) consolidation
C) parallel processing
D) plasticity
E) sensitization - ANSWER D) plasticity
Which of the following is known to cause drowsiness?
A) vitamin B12
B) antihistamines
C) aspirin
D) vitamin D
E) birth control pills - ANSWER B) antihistamines
3
, What type of receptor detects blood pressure?
A) thermoreceptor
B) baroreceptor
C) proprioreceptor
D) nociceptor
E) osmoreceptor - ANSWER B) baroreceptor
The process whereby a sensory receptor converts a stimulus modality into a change in
membrane potential is called:
A) sensory generation
B) sensory conversion
C) sensory transduction
D) sensory production
E) modality conversion - ANSWER C) sensory conversion
Which of the following statements about lateral inhibition is FALSE?
A) Lateral inhibition enhances acuity.
B) Lateral inhibition decreases the two-point discrimination threshold.
C) Lateral inhibition result in a stronger signal coming from second-order neurons associated
with the central point of stimulation.
4
