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Anatomy final Test Bank - Gray’s Anatomy for Students latest edition 2024/2025 Questions & 100% correct Answers- Latest Test | Graded A+ | Passed

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The vital centers for the control of visceral activities such as heart rate, breathing, blood pressure, swallowing, and vomiting are located in the: 1) _______ A) hypothalamus B) pons C) cerebrum D) midbrain E) medulla oblongata Ξ -:- medulla oblongata Immediately after an action po...

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E x c e l l e n c e i s k e y | 2 0 2 0 2 5 ~ P a g e |1

Anatomy final Test Bank - Gray’s Anatomy for Students latest edition 2024/2025 Questions &
100% correct Answers- Latest Test | Graded A+ | Passed

The vital centers for the control of visceral activities such as heart rate, breathing, blood pressure,

swallowing, and vomiting are located in the:

1) _______

A) hypothalamus

B) pons

C) cerebrum

D) midbrain

E) medulla oblongata

Ξ -:- medulla oblongata

Immediately after an action potential is propagated, which one of the following ions rapidly

diffuses out of the cell into the tissue fluid:

2) _______

A) potassium

B) calcium

C) sodium

D) chloride

E) magnesium

Ξ -:- potassium

The blood-brain barrier is effective against the passage of: 3) _______

A) nutrients such as glucose

B) metabolic waste such as urea

C) water

D) anesthetics

E) alcohol

Ξ -:- metabolic waste such as urea

The sympathetic and parasympathetic nervous systems are subdivisions of the: 4) _______

26/08/2024 | © Copyright- This work may not be copied for profit.

, E x c e l l e n c e i s k e y | 2 0 2 0 2 5 ~ P a g e |2

A) autonomic nervous system

B) voluntary nervous system

C) somatic nervous system

D) central nervous system

E) peripheral nervous system

Ξ -:- autonomic nervous system

An action potential: 5) _______

A) involves the outflux of negative ions to depolarize the membrane

B) involves the influx of negative ions to depolarize the membrane

C) is initiated by potassium ion movements

D) involves the outflux of positive ions to depolarize the membrane

E) is essential for nerve impulse propagation

Ξ -:- is essential for nerve impulse propagation

Cell bodies of the sensory neurons of the spinal nerves are located in: 6) _______

A) the dorsal root ganglia of the spinal cord

B) the thalamus

C) the hypothalamus

D) the ventral root ganglia of the spinal cord

E) sympathetic ganglia

Ξ -:- the dorsal root ganglia of the spinal cord

The effects of the sympathetic nervous system are essentially opposite of the: 7) _______

A) motor division

B) parasympathetic nervous system

C) sensory division

D) central nervous system

E) autonomic nervous system

26/08/2024 | © Copyright- This work may not be copied for profit.

, E x c e l l e n c e i s k e y | 2 0 2 0 2 5 ~ P a g e |3

Ξ -:- parasympathetic nervous system

Cerebrospinal fluid circulates through all of the following except: 8) _______

A) corpus callosum

B) lateral ventricles

C) fourth ventricle

D) cerebral aqueduct

E) subarachnoid space

Ξ -:- corpus callosum

Which one of the following is the correct sequence in connective tissue sheaths, going from

outermost to innermost layer:

9) _______

A) perineurium, endoneurium, epineurium

B) epineurium, perineurium, endoneurium

C) perineurium, epineurium, endoneurium

D) epineurium, endoneurium, perineurium

E) endoneurium, epineurium, perineurium

Ξ -:- epineurium, perineurium, endoneurium

Sally has a brain injury; she knows what she wants to say but canʹt vocalize the words. The part

of her brain that deals with the ability to speak is the:

10) ______

A) central sulcus

B) Brocaʹs area

C) primary motor area

D) longitudinal fissure

E) gyrus

Ξ -:- Brocaʹs area

26/08/2024 | © Copyright- This work may not be copied for profit.

, E x c e l l e n c e i s k e y | 2 0 2 0 2 5 ~ P a g e |4

Which one of the following is the correct sequence of events that follows a threshold potential:

1. the membrane becomes depolarized

2. sodium channels open and sodium ions diffuse inward

3. the membrane becomes repolarized

4. potassium channels open and potassium ions diffuse outward while sodium is actively

transported out of the cell

11) ______

A) 2, 1, 4, 3 B) 3, 2, 4, 1 C) 2, 1, 3, 4 D) 4, 1, 3, 2 E) 1, 2, 4, 3

Ξ -:- A) 2, 1, 4, 3

Which one of the following best describes the waxy-appearing material called myelin: 12) ______

A) a mass of white lipid material that surrounds the dendrites of a neuron

B) an outer membrane on a neuroglial cell

C) a mass of white lipid material that insulates the axon of a neuron

D) a lipid-protein (lipoprotein) cell membrane on the outside of axons

E) a mass of white lipid material that surrounds the cell body of a neur

Ξ -:- a mass of white lipid material that insulates the axon of a neuron

Which of these cells are not a type of neuroglia found in the CNS: 13) ______

A) Schwann cells

B) oligodendrocytes

C) ependymal cells

D) astrocytes

E) microglia

Ξ -:- Schwann cells

Bipolar neurons are commonly: 14) ______

A) motor neurons

B) found in the eye and nose

C) more abundant in adults than in children

26/08/2024 | © Copyright- This work may not be copied for profit.

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