BIO 201 Exam 4
1. ___ ___ controls how emotions are expressed (seat of judgement):
A) Hypothalamus
B) Prefrontal Cortex
C) Amygdala
D) Hippocampus
Answer: B
2. ___ cells form the axons of the olfactory tracts:
A) Bulb cells
B) Basal cells
C) Sustentacular cells
D) Ganglion cells
Answer: A
3. ___ is perception of intensity of sound energy:
A) Pitch
B) Loudness
C) Timbre
D) Resonance
Answer: B
4. ___ tastes are concentrated on tip of tongue, ___ & ___ on lateral margins,
___ at rear:
A) Sweet / salty & sour / bitter
,B) Bitter / sweet & salty / sour
C) Sour / bitter & sweet / salty
D) Salty / bitter & sweet / sour
Answer: A
5. In visceral reflexes, which component detects internal stimuli like stretch
and blood chemicals?
A) Afferent neurons
B) Receptors
C) Efferent neurons
D) Effectors
Answer: B
6. In visceral reflexes, which component transmits sensory signals to
interneurons in the CNS?
A) Receptors
B) Afferent neurons
C) Efferent neurons
D) Effectors
Answer: B
7. In visceral reflexes, which component carries motor signals to effectors?
A) Receptors
B) Afferent neurons
C) Efferent neurons
,D) Interneurons
Answer: C
8. During Non-REM sleep, which stage is deep sleep and difficult to arouse
from?
A) Stage 1
B) Stage 2
C) Stage 3
D) Stage 4
Answer: D
9. In visceral reflexes, effectors include glands and smooth or cardiac muscle.
What does the ANS do to effectors?
A) Causes their activity entirely
B) Modifies their activity rather than causing it
C) Has no effect on them
D) Only inhibits their activity
Answer: B
10. Which are the 5 primary taste sensations?
A) Salty, sweet, sour, bitter & umami
B) Salty, sweet, sour, spicy & umami
C) Salty, sweet, metallic, bitter & umami
D) Sweet, sour, bitter, spicy & savory
Answer: A
11. A fractured spine severing the spinal cord at C2 results in quadriplegia.
How do vital organs continue to function?
, A) Phrenic nerve
B) Vagus nerve
C) Trigeminal nerve
D) Spinal reflex arcs
Answer: B
12. Which cranial nerve provides eye movement via the lateral rectus muscle?
A) Oculomotor Nerve
B) Trochlear Nerve
C) Abducens Nerve
D) Facial Nerve
Answer: C
13. Which nerve controls swallowing and head-neck-shoulder movement, with
damage causing head turning toward the injured side?
A) Vagus Nerve
B) Accessory Nerve
C) Hypoglossal Nerve
D) Glossopharyngeal Nerve
Answer: B
14. Where are the adrenal glands located?
A) Inferior pole of each kidney
B) Superior pole of each kidney
C) Anterior surface of the liver
1. ___ ___ controls how emotions are expressed (seat of judgement):
A) Hypothalamus
B) Prefrontal Cortex
C) Amygdala
D) Hippocampus
Answer: B
2. ___ cells form the axons of the olfactory tracts:
A) Bulb cells
B) Basal cells
C) Sustentacular cells
D) Ganglion cells
Answer: A
3. ___ is perception of intensity of sound energy:
A) Pitch
B) Loudness
C) Timbre
D) Resonance
Answer: B
4. ___ tastes are concentrated on tip of tongue, ___ & ___ on lateral margins,
___ at rear:
A) Sweet / salty & sour / bitter
,B) Bitter / sweet & salty / sour
C) Sour / bitter & sweet / salty
D) Salty / bitter & sweet / sour
Answer: A
5. In visceral reflexes, which component detects internal stimuli like stretch
and blood chemicals?
A) Afferent neurons
B) Receptors
C) Efferent neurons
D) Effectors
Answer: B
6. In visceral reflexes, which component transmits sensory signals to
interneurons in the CNS?
A) Receptors
B) Afferent neurons
C) Efferent neurons
D) Effectors
Answer: B
7. In visceral reflexes, which component carries motor signals to effectors?
A) Receptors
B) Afferent neurons
C) Efferent neurons
,D) Interneurons
Answer: C
8. During Non-REM sleep, which stage is deep sleep and difficult to arouse
from?
A) Stage 1
B) Stage 2
C) Stage 3
D) Stage 4
Answer: D
9. In visceral reflexes, effectors include glands and smooth or cardiac muscle.
What does the ANS do to effectors?
A) Causes their activity entirely
B) Modifies their activity rather than causing it
C) Has no effect on them
D) Only inhibits their activity
Answer: B
10. Which are the 5 primary taste sensations?
A) Salty, sweet, sour, bitter & umami
B) Salty, sweet, sour, spicy & umami
C) Salty, sweet, metallic, bitter & umami
D) Sweet, sour, bitter, spicy & savory
Answer: A
11. A fractured spine severing the spinal cord at C2 results in quadriplegia.
How do vital organs continue to function?
, A) Phrenic nerve
B) Vagus nerve
C) Trigeminal nerve
D) Spinal reflex arcs
Answer: B
12. Which cranial nerve provides eye movement via the lateral rectus muscle?
A) Oculomotor Nerve
B) Trochlear Nerve
C) Abducens Nerve
D) Facial Nerve
Answer: C
13. Which nerve controls swallowing and head-neck-shoulder movement, with
damage causing head turning toward the injured side?
A) Vagus Nerve
B) Accessory Nerve
C) Hypoglossal Nerve
D) Glossopharyngeal Nerve
Answer: B
14. Where are the adrenal glands located?
A) Inferior pole of each kidney
B) Superior pole of each kidney
C) Anterior surface of the liver
