BIOL 320 LAB PRACTICAL 1 EXAM 2026: HUMAN
ANATOMY & PHYSIOLOGY LAB ASSESSMENT |
COMPREHENSIVE UNIVERSITY-LEVEL PRACTICE
QUESTIONS, VERIFIED ANSWERS, DETAILED
RATIONALES & EXAM PREPARATION GUIDE
SECTION A: NEUROANATOMY AND NERVOUS SYSTEM ORGANIZATION
1. What are paravertebral or sympathetic chain ganglia?
A. Clusters of parasympathetic postganglionic neurons located near the spinal cord
B. A longitudinal series of sympathetic postganglionic neurons
C. Ganglia found exclusively in the cranial cavity
D. Collections of sensory neurons in the dorsal root
Answer: B
2. Through which structures do the PNS and CNS communicate?
A. Only cranial nerves
B. Only spinal nerves
,C. Cranial and spinal nerves
D. The blood-brain barrier
Answer: C
3. Afferent impulses are also known as which type of impulses?
A. Motor
B. Efferent
C. Sensory
D. Autonomic
Answer: C
4. Efferent impulses are also known as which type of impulses?
A. Sensory
B. Afferent
C. Motor
D. Interneuron
Answer: C
5. What are the two divisions of the autonomic nervous system?
A. Somatic and autonomic
,B. Central and peripheral
C. Sympathetic and parasympathetic
D. Afferent and efferent
Answer: C
6. The basic functions of the sympathetic nervous system include:
A. Basic housekeeping and idling functions
B. Fight or flight type responses
C. Voluntary muscle control
D. Digestive system activation
Answer: B
7. The basic functions of the parasympathetic nervous system include:
A. Fight or flight responses
B. Stress-induced reactions
C. Basic housekeeping and idling functions
D. Skeletal muscle activation
Answer: C
8. True or False: Cranial nerves designated as being motor ONLY transfer motor
information.
, A. True
B. False
Answer: B
9. List the three layers of nerve coverings from most superficial to deepest:
A. Endoneurium, Perineurium, Epineurium
B. Epineurium, Perineurium, Endoneurium
C. Perineurium, Epineurium, Endoneurium
D. Epineurium, Endoneurium, Perineurium
Answer: B
10. What is the primary function of glial cells?
A. Generate action potentials
B. Transmit nerve impulses
C. Support, protect, and maintain nerve tissue
D. Produce neurotransmitters
Answer: C
11. In the CNS, cerebrospinal fluid is produced by which type of cells?
ANATOMY & PHYSIOLOGY LAB ASSESSMENT |
COMPREHENSIVE UNIVERSITY-LEVEL PRACTICE
QUESTIONS, VERIFIED ANSWERS, DETAILED
RATIONALES & EXAM PREPARATION GUIDE
SECTION A: NEUROANATOMY AND NERVOUS SYSTEM ORGANIZATION
1. What are paravertebral or sympathetic chain ganglia?
A. Clusters of parasympathetic postganglionic neurons located near the spinal cord
B. A longitudinal series of sympathetic postganglionic neurons
C. Ganglia found exclusively in the cranial cavity
D. Collections of sensory neurons in the dorsal root
Answer: B
2. Through which structures do the PNS and CNS communicate?
A. Only cranial nerves
B. Only spinal nerves
,C. Cranial and spinal nerves
D. The blood-brain barrier
Answer: C
3. Afferent impulses are also known as which type of impulses?
A. Motor
B. Efferent
C. Sensory
D. Autonomic
Answer: C
4. Efferent impulses are also known as which type of impulses?
A. Sensory
B. Afferent
C. Motor
D. Interneuron
Answer: C
5. What are the two divisions of the autonomic nervous system?
A. Somatic and autonomic
,B. Central and peripheral
C. Sympathetic and parasympathetic
D. Afferent and efferent
Answer: C
6. The basic functions of the sympathetic nervous system include:
A. Basic housekeeping and idling functions
B. Fight or flight type responses
C. Voluntary muscle control
D. Digestive system activation
Answer: B
7. The basic functions of the parasympathetic nervous system include:
A. Fight or flight responses
B. Stress-induced reactions
C. Basic housekeeping and idling functions
D. Skeletal muscle activation
Answer: C
8. True or False: Cranial nerves designated as being motor ONLY transfer motor
information.
, A. True
B. False
Answer: B
9. List the three layers of nerve coverings from most superficial to deepest:
A. Endoneurium, Perineurium, Epineurium
B. Epineurium, Perineurium, Endoneurium
C. Perineurium, Epineurium, Endoneurium
D. Epineurium, Endoneurium, Perineurium
Answer: B
10. What is the primary function of glial cells?
A. Generate action potentials
B. Transmit nerve impulses
C. Support, protect, and maintain nerve tissue
D. Produce neurotransmitters
Answer: C
11. In the CNS, cerebrospinal fluid is produced by which type of cells?
