Body Balance - Diagnostic Test
How do you think your body gets to balance on your two legs without falling down? The ears and hands enable body balance. Take up the quiz on the diagnostic tests on body balance and find out more.
Questions and Answers
- 1.
Explain why when Cathy took antibiotics for the flu, she did not get better.
- 2.
Harmful microscopic organisms are commonly referred to as...
- A.
Imunigens
- B.
Antibodies
- C.
Pathogen
- D.
Microbes
Correct Answer
C. PathogenExplanation
Pathogens are harmful microscopic organisms that can cause diseases in humans, animals, and plants. They include bacteria, viruses, fungi, and parasites. These organisms have the ability to invade and multiply within the body, leading to infections and illnesses. The term "pathogen" is commonly used to describe these harmful microorganisms, distinguishing them from beneficial microbes that play important roles in various ecosystems.Rate this question:
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- 3.
The interface between the endrocrine system and the nervous system is known as the hypothalamus
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The interface between the endocrine system and the nervous system is not known as the hypothalamus. While the hypothalamus does play a crucial role in regulating both systems, it is not the interface between them. The hypothalamus is a small region in the brain that produces and releases hormones that control various bodily functions and regulates the pituitary gland, which is considered the master gland of the endocrine system. Therefore, the statement is false.Rate this question:
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- 4.
Cath's brother John hid under the couch and grabbed her legs when she sat down. She accidentally kick him in the face. This is known as a...
- A.
Negative feedback loop
- B.
Reflex action
- C.
Immune response
- D.
Reflex feedback loop
Correct Answer
B. Reflex actionExplanation
The given scenario describes a reflex action, where Cath's brother hiding under the couch and grabbing her legs causes her to accidentally kick him in the face. Reflex actions are quick and automatic responses to stimuli, bypassing conscious control. In this case, Cath's leg kicking in response to the unexpected grab is an involuntary reflex action.Rate this question:
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- 5.
A _________ neuron cell detects external stimuli and sends the message to the brain.
Correct Answer
sensoryExplanation
A sensory neuron cell is responsible for detecting external stimuli and transmitting the information to the brain. These neurons are specialized to respond to different types of sensory information such as touch, temperature, pain, and sound. They have specialized receptors that detect these stimuli and convert them into electrical signals, which are then transmitted to the brain through the nervous system. This allows the brain to process and interpret the sensory information, resulting in our perception of the external world.Rate this question:
- 6.
Antibiotics are lease effective against
- A.
Bacteria
- B.
Virus
- C.
Fungi
- D.
All options shown
Correct Answer
B. VirusExplanation
Antibiotics are least effective against viruses. Antibiotics are medications that specifically target and kill bacteria. They work by disrupting the processes that are essential for bacteria to survive and reproduce. However, viruses are different from bacteria as they are much smaller and have a different structure and life cycle. Antibiotics are not designed to target viruses, and therefore, they are not effective in treating viral infections. Viral infections usually require antiviral medications that specifically target the virus and its replication process.Rate this question:
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- 7.
John ate a chocolate hot cross bun and tested his blood sugar levels five minutes later. He waited another half an hour and tested his sugar level again. It had dropped. What hormone is responsible for the drop in glucose (blood sugar level)?
- A.
Pancreas
- B.
Glucagon
- C.
Insulin
- D.
Glycogen
Correct Answer
C. InsulinExplanation
Insulin is the hormone responsible for the drop in glucose (blood sugar level) after John ate a chocolate hot cross bun. Insulin is produced by the pancreas and helps regulate blood sugar levels by facilitating the uptake of glucose into cells for energy production or storage.Rate this question:
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- 8.
Microbes are found within our body
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Microbes are indeed found within our body. Our bodies are home to trillions of microbes, including bacteria, viruses, fungi, and other microorganisms. These microbes are present in various parts of our body, such as the skin, mouth, gut, and reproductive organs. While some microbes are harmful and can cause diseases, many are beneficial and play important roles in our overall health and well-being. They help in digestion, boost our immune system, and even produce essential vitamins. Therefore, the statement "Microbes are found within our body" is true.Rate this question:
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- 9.
Miss Theobald heard a sound that frightened her. She recorded the reflex pathway that followedSensory nerve receives -> sensory nerve sends -> brain receives -> brain sends -> motor neuron receives -> muscles receive -> motor neuron sends -> muscles cause movementMiss Theobald recorded it incorrectly!! Which two actions need to be swapped?
- A.
Brain receives, brain sends
- B.
Muscles receive, motor neuron sends
- C.
Brain receives, sensory nerve receives
- D.
Muscles receive, muscles cause movement
Correct Answer
B. Muscles receive, motor neuron sendsExplanation
The correct answer is "Muscles receive, motor neuron sends." In the reflex pathway, the sensory nerve receives the stimulus and sends a signal to the brain. The brain then sends a signal to the motor neuron, which in turn sends a signal to the muscles, causing them to move. However, Miss Theobald recorded it incorrectly by swapping the actions of "muscles receive" and "motor neuron sends."Rate this question:
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- 10.
The pituitary gland controls the hypothalamus
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The pituitary gland does not control the hypothalamus. In fact, it is the other way around. The hypothalamus is a small region in the brain that controls the pituitary gland. It releases hormones that stimulate or inhibit the release of hormones from the pituitary gland. The pituitary gland, also known as the "master gland," then releases hormones that regulate various functions in the body, such as growth, metabolism, and reproduction.Rate this question:
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- 11.
Drugs that effect the nervous system typically do not have any impact on our body's neurotransmitters
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The statement is false because drugs that affect the nervous system do have an impact on our body's neurotransmitters. Neurotransmitters are chemical messengers that transmit signals between nerve cells, and drugs that affect the nervous system often work by altering the levels or activity of these neurotransmitters. For example, drugs used to treat depression or anxiety often target neurotransmitters such as serotonin or dopamine to regulate mood and emotions. Therefore, it is incorrect to say that drugs that affect the nervous system do not have any impact on our body's neurotransmitters.Rate this question:
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- 12.
What are the three main regions of the brain?
- A.
Hypothalamus, Cerebellum, Cerebrum
- B.
Brain stem, Hypothalamus, Cerebellum
- C.
Brain stem, Hypothalamus, Cerebrum
- D.
Brain stem, Cerebellum, Cerebrum
Correct Answer
D. Brain stem, Cerebellum, CerebrumExplanation
The brain is divided into three main regions: the brain stem, cerebellum, and cerebrum. The brain stem is responsible for basic functions such as breathing and heart rate. The cerebellum controls coordination and balance. The cerebrum is the largest part of the brain and is responsible for higher cognitive functions such as thinking, memory, and emotions. Therefore, the answer "Brain stem, Cerebellum, Cerebrum" correctly identifies the three main regions of the brain.Rate this question:
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- 13.
Good personal hygiene is an excellent way of protecting ourselves from harmful microbes
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Good personal hygiene practices, such as washing hands regularly, taking showers, and keeping nails clean, can help prevent the spread of harmful microbes. These microbes can cause various illnesses and infections, so maintaining good personal hygiene is essential for protecting ourselves and others from getting sick.Rate this question:
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- 14.
When drink my milkshake, what is it that tells me it is strawberry flavoured? Pick the most correct answer
- A.
Taste buds
- B.
Sensory neuron and motor neuron
- C.
Taste buds and sensory neuron
- D.
Sensory neuron and brain
- E.
Taste buds, sensory neuron, brain
- F.
All of the above
Correct Answer
E. Taste buds, sensory neuron, brainExplanation
When we drink a milkshake, the taste buds on our tongue detect the different flavors present in the milkshake, including the strawberry flavor. The taste buds send signals to the sensory neurons, which transmit these signals to the brain. The brain then processes these signals and identifies the flavor as strawberry. Therefore, the correct answer is taste buds, sensory neuron, brain.Rate this question:
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- 15.
When we exercise, our bodies kick in a negative feedback loop to regulate our body temperature.Given the definition you know that describes a negative feedback loop, which of the following best describes what is happening to our body in terms of a negative feedback loop?
- A.
Cellular respiration increases, temperature increases
- B.
Temperature increases, sweat production increases
- C.
Cellular respiration increases, sweat production decreases
- D.
Temperature increases, cellular respiration increases
Correct Answer
B. Temperature increases, sweat production increasesExplanation
In this scenario, the correct answer is "Temperature increases, sweat production increases." This is because when our bodies exercise and our body temperature rises, the negative feedback loop kicks in to regulate the temperature. In response to the increased temperature, the body increases sweat production as a way to cool down and maintain a stable body temperature. This is an example of a negative feedback loop because the body's response (increasing sweat production) opposes the initial change (increased body temperature), ultimately working to bring the temperature back to a normal range.Rate this question:
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- 16.
How many main glands are there in the endocrine system?
- A.
4
- B.
6
- C.
5
- D.
7
Correct Answer
C. 5Explanation
The endocrine system consists of several glands that produce and release hormones into the bloodstream to regulate various bodily functions. These glands include the hypothalamus, pituitary gland, thyroid gland, adrenal glands, and the pancreas. Therefore, there are five main glands in the endocrine system.Rate this question:
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- 17.
The only difference between a sensory neuron and a motor neuron is the direction the signal travels
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
A sensory neuron is responsible for transmitting sensory information from the sensory organs to the central nervous system, while a motor neuron carries signals from the central nervous system to the muscles or glands, enabling movement or secretion. Therefore, the only difference between the two is the direction in which the signal travels.Rate this question:
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- 18.
DN is a disease that can be described as a condition where the person suffering from it knows what is going on around them, but cannot act in response. If this is the case, what type of neuron (sensory or motor) is damaged by DN?
Correct Answer
motorExplanation
In the given scenario, the person suffering from DN is described as being aware of their surroundings but unable to respond. This suggests that the neurons responsible for transmitting signals from the brain to the muscles, known as motor neurons, are damaged in DN. Motor neurons are responsible for controlling voluntary movements, so if they are damaged, it would explain the person's inability to act or respond despite being conscious.Rate this question:
- 19.
The fatty shield that protects the axon in a neuron is known as the ______?
Correct Answer
myelin sheathExplanation
The fatty shield that protects the axon in a neuron is known as the myelin sheath. The myelin sheath is made up of layers of myelin, a substance that insulates the axon and allows for faster transmission of electrical signals along the neuron. This protective covering helps to prevent signal loss or interference and is crucial for efficient communication between neurons in the nervous system.Rate this question:
- 20.
Bacteria can be harmful
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Bacteria can be harmful because they can cause various diseases and infections in humans and animals. Some bacteria produce toxins that can damage tissues and organs, leading to illness. Additionally, certain bacteria are resistant to antibiotics, making infections difficult to treat. It is important to practice good hygiene and sanitation measures to prevent the spread of harmful bacteria and minimize the risk of infection.Rate this question:
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- 21.
Hormone responses cannot be influenced by a message received by the nervous system
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The statement that hormone responses cannot be influenced by a message received by the nervous system is false. Hormones and the nervous system are closely interconnected and often work together to regulate various physiological processes in the body. The hypothalamus, for example, sends signals to the pituitary gland to release hormones that then act on various target organs. Additionally, the release of stress hormones like adrenaline in response to a perceived threat is a classic example of the nervous system influencing hormone responses. Therefore, it is incorrect to say that hormone responses cannot be influenced by messages received by the nervous system.Rate this question:
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- 22.
A hormone is activated by
- A.
Lock and key mechanisms
- B.
Target cells
- C.
Endocrine glands
Correct Answer
B. Target cellsExplanation
Hormones are chemical messengers that are released by endocrine glands into the bloodstream. These hormones travel through the bloodstream and bind to specific receptors on target cells, triggering a response within those cells. This lock and key mechanism ensures that hormones only affect specific target cells that have the appropriate receptor for that particular hormone. Therefore, the correct answer is "target cells."Rate this question:
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- 23.
Which gland is predominantly used by the body during "fight or flight"?
- A.
Pituitary
- B.
Pancreas
- C.
Thyroid
- D.
Adrenal
Correct Answer
D. AdrenalExplanation
During the "fight or flight" response, the body releases stress hormones such as adrenaline and cortisol. These hormones are primarily produced and secreted by the adrenal glands, located on top of the kidneys. The adrenal glands play a crucial role in preparing the body for emergencies by increasing heart rate, boosting energy levels, and enhancing overall alertness. Therefore, the correct answer is Adrenal.Rate this question:
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- 24.
All microbes are harmful
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Not all microbes are harmful. Some of them are actually beneficial (like the bacteria that help us to digest our food). Remember that harmful microbes are commonly known as pathogens.Rate this question:
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- 25.
All pathogens are harmful?
- A.
False
- B.
True
- C.
Partially true
- D.
Option 4
Correct Answer
B. TrueExplanation
The statement "All pathogens are harmful" is a generalization that implies that every pathogen is harmful. However, this statement is not true as there are some pathogens that do not cause harm to their hosts. Some pathogens may have a symbiotic relationship with their hosts or may be avirulent strains that do not cause disease. Therefore, the correct answer is "True" because not all pathogens are harmful.Rate this question:
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- 26.
Messages sent from the nervous system to the endocrine system are sent via the....
- A.
Hippocampus
- B.
Hypothalamus
- C.
Brain stem
- D.
Hippopotamus
Correct Answer
B. HypothalamusExplanation
The hypothalamus is responsible for sending messages from the nervous system to the endocrine system. It acts as a bridge between the two systems, regulating and controlling various bodily functions such as temperature, hunger, thirst, and hormone release. The hippocampus is involved in memory and learning, while the brain stem controls basic functions like breathing and heart rate. The hippopotamus is a large mammal and is unrelated to the nervous and endocrine systems.Rate this question:
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- 27.
How is heat lost from the body?
- A.
Cellular respiration
- B.
The sun
- C.
Sweating
- D.
The environment
- E.
Breathing
Correct Answer(s)
A. Cellular respiration
C. Sweating
D. The environment
E. BreathingExplanation
Heat is lost from the body through various mechanisms. Cellular respiration is one way heat is lost as it is a metabolic process that generates heat as a byproduct. Sweating is another mechanism where heat is lost through the evaporation of sweat from the skin surface. The environment also plays a role in heat loss, as heat can be transferred to the surrounding air or objects through conduction, convection, and radiation. Finally, breathing can result in heat loss as warm air is exhaled from the body.Rate this question:
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- 28.
Bacteria prefer environments that are....
- A.
Warm and wet
- B.
Wet and cool
- C.
Dry and hot
- D.
Cold and dry
Correct Answer
A. Warm and wetExplanation
Bacteria prefer environments that are warm and wet because these conditions provide them with the necessary moisture and temperature range for their growth and reproduction. Warmth allows for faster metabolic activity, while moisture ensures their survival and facilitates nutrient absorption. These conditions are often found in areas such as the human body, soil, and water bodies, where bacteria thrive and carry out essential biological processes.Rate this question:
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- 29.
Select the following options that are describe the useful examples of microbes
- A.
Decomposing dead matter
- B.
Digestion
- C.
Disease
- D.
Preserving food
- E.
Production of medicine
Correct Answer(s)
A. Decomposing dead matter
B. Digestion
D. Preserving food
E. Production of medicineExplanation
Microbes play a crucial role in decomposing dead matter, aiding in the breakdown and recycling of organic material. They also contribute to the process of digestion, helping to break down food and extract nutrients in the digestive system. Additionally, microbes are used in preserving food through processes such as fermentation, which can extend the shelf life of certain products. Lastly, microbes are involved in the production of medicine, as they are used to produce antibiotics, vaccines, and other pharmaceutical products.Rate this question:
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- 30.
The first line of defence our bodies have against harmful microbes is...
- A.
Our mucus
- B.
Our immune system
- C.
Our own helpful microbes
- D.
Our skin
Correct Answer
D. Our skinExplanation
Our skin is the first line of defense against harmful microbes because it acts as a physical barrier, preventing them from entering our body. The outer layer of our skin, known as the epidermis, is composed of tightly packed cells that provide a protective barrier. Additionally, our skin produces natural oils and sweat that contain antimicrobial properties, further helping to prevent the growth and entry of harmful microbes.Rate this question:
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Current Version
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Mar 20, 2023Quiz Edited by
ProProfs Editorial Team -
Feb 24, 2015Quiz Created by
Amy001k
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