1.
A disease is always curable.
Correct Answer
B. False
Explanation
This statement is false because not all diseases are curable. There are many diseases that currently have no known cure, such as Alzheimer's disease, Parkinson's disease, and certain types of cancer. Additionally, some diseases may be manageable but not curable, meaning that while symptoms can be controlled, the underlying condition cannot be completely eliminated. Therefore, it is incorrect to say that all diseases are curable.
2.
A disease is caused by what? Check all that apply.
Correct Answer(s)
A. Virus
B. Bacteria
Explanation
A disease can be caused by viruses and bacteria. Viruses are tiny infectious agents that invade living cells and use them to replicate, often causing various diseases. Bacteria are single-celled microorganisms that can also cause diseases by infecting different parts of the body. Parasites can also cause diseases, but they are not listed as an option in the given answers. Breathing, on the other hand, is a normal physiological process and is not a direct cause of diseases.
3.
What is a parasite? Choose the answer that best fits the definition of a parasite.
Correct Answer
C. An organism that survives off another organism
Explanation
A parasite is an organism that survives off another organism. This means that it relies on the host organism for its survival, often at the expense of the host's well-being. Parasites can be found in various forms, such as fleas, ticks, and tapeworms, and they obtain nutrients and resources from the host organism to sustain themselves. They may cause harm or disease to the host, but they themselves benefit from this relationship.
4.
A disease is caused by what? Check all that apply.
Correct Answer(s)
A. Virus
B. Bacteria
Explanation
A disease can be caused by viruses and bacteria. Viruses are microscopic infectious agents that invade living cells and reproduce inside them, causing various diseases. Bacteria are single-celled microorganisms that can cause infections by releasing toxins or by directly invading tissues. Parasites can also cause diseases, but they are not listed as a correct answer in this case. Breathing, on its own, is not a cause of disease but can be a means of transmission for certain respiratory infections caused by viruses or bacteria.
5.
Which of the following is a disease?
Correct Answer
B. Polyarthritis
Explanation
Polyarthritis is a disease characterized by inflammation in multiple joints. It can cause pain, stiffness, and swelling, and may be caused by various factors such as autoimmune disorders, infections, or wear and tear on the joints. Tapeworms, ticks, and ascarids are not diseases but rather types of parasites that can cause health issues in humans and animals.
6.
What is a parasite? Choose the answer that best fits the definition of a parasite.
Correct Answer
C. An organism that survives off another organism
Explanation
A parasite is an organism that survives off another organism. It relies on the host organism for its nourishment and may harm or weaken the host in the process. This relationship is often one-sided, with the parasite benefiting at the expense of the host. Parasites can be found in various forms, such as fleas, ticks, and tapeworms, and they can affect a wide range of organisms, including animals, plants, and even humans.
7.
An internal parasite lives outside of its host.
Correct Answer
B. False
Explanation
An internal parasite actually lives inside its host, not outside. It relies on the host for survival and obtains nutrients from it. Therefore, the correct answer is False.
8.
Which of the following is a disease?
Correct Answer
B. Polyarthritis
Explanation
Polyarthritis is a disease characterized by inflammation in multiple joints. It is a condition that affects the joints, causing pain, swelling, and stiffness. Tapeworms, ticks, and ascarids, on the other hand, are not diseases but rather different types of parasites. Tapeworms are flatworms that live in the intestines of animals, ticks are external parasites that feed on the blood of animals, and ascarids are roundworms that infect the intestines of animals. Therefore, the correct answer is Polyarthritis as it is the only option that represents a disease.
9.
What is the difference between a disease and just being sick. Check all that apply.
Correct Answer(s)
A. Being sick is treatable
B. A disease is a long term effect
Explanation
Being sick refers to a temporary state of ill health that can be treated and resolved, whereas a disease typically refers to a medical condition or disorder that often has long-term effects and may require ongoing treatment. This means that being sick is treatable, while a disease is more likely to have a lasting impact on an individual's health.
10.
An internal parasite lives outside of its host.
Correct Answer
B. False
Explanation
An internal parasite actually lives inside its host, deriving nourishment and protection from it. Therefore, the correct answer is false.
11.
Brucellosis in dogs is cause by a what?
Correct Answer
C. Bacteria
Explanation
Brucellosis in dogs is caused by bacteria. Brucella canis is the specific bacterium that causes this infectious disease in dogs. It is primarily transmitted through contact with infected bodily fluids, such as urine, blood, or reproductive secretions. The bacteria can infect various organs and tissues in dogs, leading to symptoms like reproductive issues, joint pain, fever, and lethargy. Prompt diagnosis and treatment are crucial to prevent the spread of the bacteria to other animals or humans, as brucellosis can also be transmitted from dogs to humans.
12.
What is the difference between a disease and just being sick. Check all that apply.
Correct Answer(s)
A. Being sick is treatable
B. A disease is a long term effect
Explanation
The correct answer is "Being sick is treatable" and "A disease is a long term effect". This is because being sick refers to a temporary condition that can be cured or managed with medical treatment, while a disease typically refers to a chronic or long-term condition that may not have a cure and requires ongoing medical care.
13.
There are _____ different kinds of ticks?
Correct Answer
C. 3
Explanation
Ticks are classified into three main families: Ixodidae (hard ticks), Argasidae (soft ticks), and Nuttalliellidae (a small family containing only one species). Each of these families has different characteristics and behaviors, making them distinct from one another. Therefore, there are three different kinds of ticks.
14.
What preventative measure can a farmer do to prevent polyarthritis in his sheep?
Correct Answer
A. A foot bath
Explanation
A foot bath is a preventative measure that a farmer can take to prevent polyarthritis in his sheep. Polyarthritis is a condition that causes inflammation in multiple joints, and it can be caused by bacteria or viruses present in the environment. By regularly using a foot bath, the farmer can disinfect the sheep's hooves and prevent the spread of pathogens that can cause polyarthritis. This simple measure helps to maintain the overall health and well-being of the sheep and reduces the risk of them developing the condition.
15.
Brucellosis in dogs is cause by a what?
Correct Answer
C. Bacteria
Explanation
Brucellosis in dogs is caused by bacteria. Brucella canis is the bacterium responsible for this infectious disease in dogs. It is typically transmitted through contact with infected body fluids, such as urine, blood, or reproductive fluids. This bacterial infection can cause various symptoms in dogs, including fever, lethargy, swollen lymph nodes, and reproductive issues. It can also be transmitted to humans, although it is relatively rare. Proper hygiene and preventive measures, such as vaccination and regular testing, are essential in controlling the spread of brucellosis in dogs.
16.
Sheep ked can be described as what?
Correct Answer
A. A wingless fly
Explanation
Sheep ked can be described as a wingless fly. Keds are parasitic insects that infest sheep and other animals. They are blood-sucking insects that have adapted to life on the host animal and are wingless, which allows them to move easily through the host's fur or feathers. They are commonly found on sheep and can cause irritation and discomfort to the animal. Therefore, describing sheep ked as a wingless fly is an accurate characterization.
17.
There are _____ different kinds of ticks?
Correct Answer
C. 3
Explanation
Ticks are small arachnids that belong to the order Parasitiformes. They are ectoparasites, which means they live on the outside of their host's body and feed on their blood. There are three main families of ticks: Ixodidae (hard ticks), Argasidae (soft ticks), and Nuttalliellidae (a family with just one species). Each family has its own characteristics and life cycle. Therefore, the correct answer is 3, as there are three different kinds of ticks.
18.
Which of the following diseases will cause a cow to suddenly die?
Correct Answer
D. Anthrax
Explanation
Anthrax is a bacterial disease that can cause sudden death in cows. It is caused by the bacterium Bacillus anthracis, which produces toxins that can rapidly overwhelm the cow's immune system and lead to fatal septicemia. Anthrax is highly contagious and can be transmitted through contact with contaminated soil, feed, or water. The sudden death in cows is often accompanied by symptoms such as fever, difficulty breathing, and bloody discharge from the body. Prompt diagnosis and treatment are essential to prevent the spread of the disease and minimize the risk to other animals and humans.
19.
What preventative measure can a farmer do to prevent polyarthritis in his sheep?
Correct Answer
A. A foot bath
Explanation
A foot bath is a preventative measure that a farmer can take to prevent polyarthritis in his sheep. This is because polyarthritis is often caused by bacterial or viral infections that can enter the sheep's body through their feet. By regularly having the sheep walk through a foot bath containing a disinfectant solution, the farmer can kill any pathogens present on the sheep's feet, reducing the risk of infection and therefore preventing polyarthritis.
20.
Ivo-mec can be used to treat cattle grub.
Correct Answer
A. True
Explanation
Ivo-mec is a brand of medication that contains ivermectin, which is commonly used to treat various parasitic infections in animals. Cattle grub, also known as warbles, is a common parasite that affects cattle. It burrows into the skin of the animal and causes discomfort and potential health issues. Ivermectin is effective in killing these grubs and preventing further infestations. Therefore, it can be concluded that Ivo-mec can indeed be used to treat cattle grub, making the answer "True."
21.
Porcine Stress Syndrome is a disease found in what species?
Correct Answer
D. Swine
Explanation
Porcine Stress Syndrome is a disease that affects swine. It is a genetic condition that causes extreme stress and can result in muscle damage and death in affected pigs. The syndrome is triggered by stressors such as transportation, handling, or excitement, and can lead to pale, soft, and exudative meat. Therefore, the correct answer is Swine, as this disease specifically affects pigs.
22.
Sheep ked can be described as what?
Correct Answer
A. A wingless fly
Explanation
Sheep ked can be described as a wingless fly because it is a parasitic insect that infests sheep, feeding on their blood. Keds are similar to fleas, but they lack wings and have a flattened body that allows them to move easily through the wool of sheep. They are a common pest in sheep farming and can cause irritation and discomfort to the animals.
23.
Ascarids is a parasite in horses which causes which of the following symptoms?
Correct Answer
C. Coughing with some discharge
Explanation
Ascarids, a type of parasite in horses, can cause symptoms such as coughing with some discharge. This is because the presence of ascarids in the respiratory system can irritate the airways, leading to coughing as the horse tries to clear the irritation. The discharge may be a result of inflammation or infection caused by the presence of the parasite. Itching and scratching, high fever, and acting like normal are not typically associated with ascarid infestation in horses.
24.
Tapeworms can not pass to humans.
Correct Answer
B. False
Explanation
Tapeworms can indeed pass to humans. Tapeworms are parasites that can infect the intestines of animals, including humans, by consuming contaminated food or water. Once inside the human body, tapeworms can cause various health issues, such as abdominal pain, diarrhea, and weight loss. Therefore, the statement "Tapeworms can not pass to humans" is false.
25.
Brucellosis can spread from dogs to humans when your puppy licks an open wound.
Correct Answer
A. True
Explanation
Brucellosis is a bacterial infection that can indeed be transmitted from dogs to humans. The bacteria responsible for brucellosis can be found in the saliva of infected dogs, and if a puppy with the infection licks an open wound on a human, the bacteria can enter the person's bloodstream and cause infection. Therefore, it is important to practice good hygiene and take precautions when handling dogs, especially those with known infections, to prevent the spread of brucellosis to humans.
26.
Which of the following diseases will cause a cow to suddenly die?
Correct Answer
D. Anthrax
Explanation
Anthrax is a highly infectious disease caused by the bacteria Bacillus anthracis. It affects both animals and humans. In cows, anthrax can lead to sudden death due to its rapid progression and severity. The bacteria produce toxins that cause severe damage to the body's organs and tissues, leading to organ failure and death. This disease is known for its acute onset, causing sudden death in infected cows without much warning or prior symptoms. Therefore, anthrax is the correct answer to the question.
27.
Cattle grub is an external parasite in the adult stage.
Correct Answer
B. False
Explanation
Cattle grub is not an external parasite in the adult stage.
28.
Ivo-mec can be used to treat cattle grub.
Correct Answer
A. True
Explanation
Ivo-mec is a commonly used medication for the treatment of various parasites in cattle, including cattle grub. Therefore, it is true that Ivo-mec can be used to treat cattle grub.
29.
Sheep ked can be prevented by doing what is the spring?
Correct Answer
A. Spring shearing
Explanation
Spring shearing is the correct answer because it is a common practice in sheep farming to shear the sheep during springtime. This helps to remove the wool and reduce the risk of infestation by sheep ked, which are parasitic insects that can cause discomfort and health issues for the sheep. By shearing the sheep in spring, the wool is removed before the ked have a chance to lay eggs and infest the flock. This preventive measure helps to maintain the health and well-being of the sheep.
30.
Porcine Stress Syndrome is a disease found in what species?
Correct Answer
D. Swine
Explanation
Porcine Stress Syndrome is a disease that is found in swine. This syndrome is a genetic disorder that affects the muscles of pigs, causing them to become stiff and develop high body temperatures. It is a condition that can be triggered by stress, such as transportation or handling, and can lead to serious health issues and even death in affected pigs. Therefore, it is important to identify and manage this disease in swine populations to prevent its spread and minimize its impact on the industry.
31.
What must you do first when you want to remove a tick from your dog?
Correct Answer
A. Heat the tick on the dog, being careful not to burn the dog.
32.
Ascarids is a parasite in horses which causes which of the following symptoms?
Correct Answer
C. Coughing with some discharge
Explanation
Ascarids, a type of parasite in horses, can cause coughing with some discharge as a symptom. This is because the presence of ascarids in the respiratory system can irritate the airways, leading to coughing as the horse tries to clear the irritation. The discharge may be a result of inflammation or infection caused by the parasites. Itching and scratching, high fever, and acting like normal are not typically associated with ascarid infestation in horses.
33.
The sheep ked is more active in the winter time.
Correct Answer
B. False
Explanation
The explanation for the answer "False" is that the sheep ked is actually more active in the summer time. Keds are blood-sucking parasites that infest sheep and other animals, and they thrive in warm weather. During the summer months, keds reproduce rapidly and can cause significant discomfort and harm to the host animal. Therefore, the statement that the sheep ked is more active in the winter time is incorrect.
34.
Tapeworms can not pass to humans.
Correct Answer
B. False
Explanation
Tapeworms can pass to humans. They are parasites that can infect the human digestive system if contaminated food or water is consumed. Once inside the body, tapeworms can cause various health issues, including abdominal pain, weight loss, and nutrient deficiencies. Therefore, the statement "Tapeworms can not pass to humans" is incorrect.
35.
Brucellosis can spread from dogs to humans when your puppy licks an open wound.
Correct Answer
A. True
Explanation
Brucellosis is a bacterial infection that can be transmitted from animals, including dogs, to humans. The bacteria can be present in the saliva of infected animals, and if a puppy with brucellosis licks an open wound on a human, there is a risk of transmission. Therefore, the statement that Brucellosis can spread from dogs to humans when a puppy licks an open wound is true.
36.
Cattle grub is an external parasite in the adult stage.
Correct Answer
B. False
Explanation
The statement is false because cattle grub is an external parasite in the larval stage, not the adult stage. The adult stage of cattle grub is actually a type of fly known as the heel fly. The larvae of the cattle grub burrow into the skin of cattle and cause damage, while the adult flies do not directly parasitize the cattle. Therefore, the correct answer is false.
37.
Sheep ked can be prevented by doing what is the spring?
Correct Answer
A. Spring shearing
Explanation
Spring shearing is the correct answer because it helps prevent sheep ked infestations. Sheep keds are wingless insects that live on the skin of sheep and can cause irritation, discomfort, and even transmit diseases. By shearing the sheep in the spring, the wool is removed, eliminating the habitat for keds to lay their eggs and reducing the risk of infestation. This practice also helps to improve the overall health and hygiene of the sheep.
38.
What must you do first when you want to remove a tick from your dog?
Correct Answer
A. Heat the tick on the dog, being careful not to burn the dog.
39.
The sheep ked is more active in the winter time.
Correct Answer
B. False
Explanation
The given statement is "The sheep ked is more active in the winter time." The correct answer is False. This means that the statement is incorrect. The sheep ked, which is a type of parasitic fly that infests sheep, is actually more active during the warmer months, particularly in the spring and summer. During these seasons, the ked population tends to increase, and they are more likely to cause irritation and discomfort to the sheep. Therefore, the statement that the sheep ked is more active in the winter is false.