Anatomy And Physiology Advanced - Qp7
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The central nervous system contracts the voluntary muscles.
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True
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False
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About This Quiz
Anatomy and Physiology Advanced - QP7 explores intricate details of the human central nervous system. It assesses knowledge on neural structures, reflex actions, and brain function, essential for advanced studies in medicine and health sciences.
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- 2.
Early in its development its cavity becomes divided by constrictures into three parts namely: (Select three)
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Forebrain
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Centralbrain
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Midbrain
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Hindbrain
Correct Answer(s)
A. Forebrain
A. Midbrain
A. HindbrainExplanation
During early development, the cavity of the brain becomes divided into three parts by constrictures. These three parts are known as the forebrain, midbrain, and hindbrain. The forebrain is responsible for various functions such as sensory perception, conscious thought, and voluntary actions. The midbrain plays a role in relaying sensory and motor information and is involved in functions like visual and auditory processing. The hindbrain controls vital functions such as breathing, heart rate, and coordination of movement.Rate this question:
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- 3.
Motor fibres run towards a point at the centre of the base of the cerebrum, where they form stalks which pass to the midbrain.
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True
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False
Correct Answer
A. FalseExplanation
Motor fibers do not run towards a point at the center of the base of the cerebrum. Instead, they originate from the motor cortex in the cerebrum and extend downward through the brainstem, forming the corticospinal tracts. These tracts then pass through the midbrain, pons, and medulla before reaching the spinal cord. Therefore, the statement is false.Rate this question:
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- 4.
The _____ centres in the medulla oblongata control food and air passages and produce automatic reflex actions such as swallowing, vomiting, coughing and sneezing.
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Vital centres
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Reflex centres
Correct Answer
A. Reflex centresExplanation
The reflex centres in the medulla oblongata control food and air passages and produce automatic reflex actions such as swallowing, vomiting, coughing, and sneezing. These reflex actions are involuntary and occur without conscious thought or control. The reflex centres in the medulla oblongata receive sensory input from various parts of the body and coordinate the appropriate motor response to ensure the safety and proper functioning of the respiratory and digestive systems.Rate this question:
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- 5.
The brain can weigh anything between two and six kilograms.
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True
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False
Correct Answer
A. FalseExplanation
The given statement is false. The brain does not weigh between two and six kilograms. The average weight of an adult human brain is about 1.4 kilograms or 3 pounds. The weight can vary slightly depending on factors such as age, sex, and overall body size, but it generally falls within this range.Rate this question:
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- 6.
The cerebrospinal fluid protects the brain and spinal cord.
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True
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False
Correct Answer
A. TrueExplanation
Cerebrospinal fluid (CSF) is a clear fluid that surrounds the brain and spinal cord, acting as a protective cushion. It helps to absorb shocks and impacts, preventing direct contact between the brain/spinal cord and the skull/vertebrae. CSF also helps to regulate the pressure around the central nervous system and provides nutrients to the brain and spinal cord. Therefore, it is correct to say that cerebrospinal fluid protects the brain and spinal cord.Rate this question:
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Current Version
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Aug 21, 2023Quiz Edited by
ProProfs Editorial Team -
Jan 07, 2014Quiz Created by
Jackson Matthews
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