Question: Amino acids are absorbed into intestinal mucosal cells through:
Simple diffusion
Osmosis
Facilitated diffusion
Active transport
Answer:
Question: Which of the following is the correct simple spinal reflex arc?
Answer Options:
a) receptor, afferent neuron, integration center, afferent neuron, effector
b) receptor, afferent neuron, integration center, efferent neuron, effector
c) effector, afferent neuron, integration center, efferent neuron, receptor
d) effector, efferent neuron, integration center, afferent neuron, receptor
Answer: b) receptor, afferent neuron, integration center, efferent neuron, effector
Question: Neurons in the CNS are organized into functional groups.
Answer Options:
True
False
Answer: True
Question: Ridges of tissue on the surface of the cerebral hemispheres are called _______.
Answer Options:
a) ganglia
b) sulci
c) gyri
d) fissures
Answer: c) gyri
Question: Receptors for hearing are located in the _______.
Answer Options:
a) cochlea
b) tympanic membrane
c) vestibule
d) semicircular canals
Answer: a) cochlea
Question: What is moving a limb away from the median plane of the body along the frontal plane called?
Answer Options:
dorsiflexion
adduction
abduction
inversion
Answer: abduction
Question: Pointing the toes is an example of _______.
Answer Options:
a) pronation
b) circumduction
c) plantar flexion
d) protraction
Answer: c) plantar flexion
Question: Control of temperature, endocrine activity, and thirst are functions associated with the _______.
Answer Options:
a) cerebellum
b) medulla
c) thalamus
d) hypothalamus
Answer: d) hypothalamus
Question: Myelination of the nerve fibers in the central nervous system is the job of the oligodendrocytes.
Answer Options:
True
False
Answer: True
Question: Gastric juice consists of ______________.
Water
Pepsin
Hydrochloric acid
Mucus
All of the above
Only a and c
Answer:
Question: Which of the following choices is the SMALLEST level of structural organization?
Answer Options:
a) Organelles
b) Tissues
c) Organ Systems
d) Atoms and molecules
Answer: d) Atoms and molecules
Question: Most of the ascending and descending pathways to and from the brain cross over from one side of the body to the other.
Answer Options:
a) True
b) False
Answer: a) True
Question: What structure regulates the amount of light passing to the visual receptors of the eye?
Answer Options:
a) iris
b) lens
c) cornea
d) aqueous humor
Answer: a) iris
Question: The blood vessels of the skin are one of the few areas of the body where the vessels are innervated by both the sympathetic and parasympathetic divisions.
Answer Options:
True
False
Answer: True
Question: What structure in skeletal muscle cells functions in calcium storage?
Answer Options:
sarcoplasmic reticulum
mitochondria
myofibrillar network
intermediate filament network
Answer: sarcoplasmic reticulum
Question: Bending your head back until it hurts is an example of _______.
Answer Options:
hyperextension
flexion
circumduction
extension
Answer: hyperextension
Question: Starting at the spinal cord, the subdivisions of the brachial plexus are (in order):
Answer Options:
a) divisions, roots, trunks, and cords
b) roots, divisions, cords, and trunks
c) trunks, divisions, cords, and roots
Answer: b) roots, trunks, divisions, and cords (User’s incorrect answer: c) trunks, divisions, cords, and roots)
Question: Light passes through the following structures in which order?
Answer Options:
a) vitreous humor, lens, aqueous humor, cornea
b) cornea, aqueous humor, lens, vitreous humor
c) aqueous humor, cornea, lens, vitreous humor
d) cornea, vitreous humor, lens, aqueous humor
Answer: b) cornea, aqueous humor, lens, vitreous humor
Question: Which of the following is an excitatory neurotransmitter secreted by motor neurons innervating skeletal muscle?
Answer Options:
a) cholinesterase
b) norepinephrine
c) gamma-aminobutyric acid
d) acetylcholine
Answer: d) acetylcholine
Question: Which of these effectors is not directly controlled by the autonomic nervous system?
Answer Options:
Smooth muscle
Cardiac muscle
Skeletal muscle
Adrenal medulla
Pineal gland
Answer: Skeletal muscle
Question: The blood vessels of the skin are one of the few areas of the body where the vessels are innervated by both the sympathetic and parasympathetic divisions.
Answer Options:
True
False
Answer: True
Question: An impulse from one nerve cell is communicated to another nerve cell via the _______.
Answer Options:
a) receptor
b) effector
c) cell body
d) synapse
Answer: d) synapse
Question: Teah and Krysella are joint tenants with right of survivorship with respect to an apartment building. Teah sells her interest to Fernando. Which of the following is true?
Answer: Krysella and Fernando are now joint tenants with right of survivorship.
Question: A fibrous joint that is a peg-in-socket is called a _______ joint.
Answer Options:
gomphosis
synchondrosis
syndesmosis
suture
Answer: gomphosis